Knowledge

Passivation (chemistry)

Source đź“ť

437: 534:
meets the temperature and chemical requirements of the method and type specified between customer and vendor. While nitric acid is commonly used as a passivating acid for stainless steel, citric acid is gaining in popularity as it is far less dangerous to handle, less toxic, and biodegradable, making disposal less of a challenge. Passivating temperatures can range from ambient to 60 Â°C (140 Â°F), while minimum passivation times are usually 20 to 30 minutes. After passivation, the parts are neutralized using a bath of aqueous
201: 504: 577: 671:
to Tetris, i.e., we always want the layer to be full. A small molecule with the function of passivation is some kind of square that can be inserted where there is an empty space and then a complete layer is obtained. These molecules will generally have lone electron pairs or pi-electrons, so they can bind to the defective states on the surface of the cell film and thus achieve passivation of the material. Therefore, molecules such as
285:, but if the iron is placed in concentrated nitric acid and then returned to the dilute nitric acid, little or no reaction will take place. In 1836, Schönbein named the first state the active condition and the second the passive condition while Faraday proposed the modern explanation of the oxide film described above (Schönbein disagreed with it), which was experimentally proven by 596:. This layer makes it resistant to further corrosion, aside from gradual growth of the oxide layer, thickening to ~25 nm after several years in air. This protective layer makes it suitable for use even in corrosive environments such as sea water. Titanium can be anodized to produce a thicker passivation layer. As with many other metals, this layer causes 670:
is passivation. These defects usually lead to deep energy level defects in solar cells due to the presence of hanging bonds on the surface of perovskite films. Usually, small molecules or polymers are doped to interact with the hanging bonds and thus reduce the defect states. This process is similar
567:
or some other accreditation system. Various testing methods are available to determine the passivation (or passive state) of stainless steel. The most common methods for validating the passivity of a part is some combination of high humidity and heat for a period of time, intended to induce rusting.
375:
Chromate conversion coating converts the surface aluminium to an aluminium chromate coating in the range of 0.00001–0.00004 inches (250–1,000 nm) in thickness. Aluminium chromate conversion coatings are amorphous in structure with a gel-like composition hydrated with water. Chromate conversion
678:
In addition, passivation not only improves the photoelectric conversion efficiency of perovskite cells, but also contributes to the improvement of device stability. For example, adding a passivation layer of a few nanometers thickness can effectively achieve passivation with the effect of stopping
545:
Passivation processes are generally controlled by industry standards, the most prevalent among them today being ASTM A 967 and AMS 2700. These industry standards generally list several passivation processes that can be used, with the choice of specific method left to the customer and vendor. The
538:, then rinsed with clean water and dried. The passive surface is validated using humidity, elevated temperature, a rusting agent (salt spray), or some combination of the three. The passivation process removes exogenous iron, creates/restores a passive oxide layer that prevents further oxidation ( 533:
Common among all of the different specifications and types are the following steps: Prior to passivation, the object must be cleaned of any contaminants and generally must undergo a validating test to prove that the surface is 'clean.' The object is then placed in an acidic passivating bath that
211:
There has been much interest in determining the mechanisms that govern the increase of thickness of the oxide layer over time. Some of the important factors are the volume of oxide relative to the volume of the parent metal, the mechanism of oxygen diffusion through the metal oxide to the parent
558:
is often required as an additive to oxidise the chromium in certain 'types' of nitric-based acid baths, however this chemical is highly toxic. With citric acid, simply rinsing and drying the part and allowing the air to oxidise it, or in some cases the application of other chemicals, is used to
1880:. Many of the specifics of Black Oxide coatings may be found in MIL-DTL-13924 (formerly MIL-C-13924). This Mil-Spec document additionally identifies various classes of Black Oxide coatings, for use in a variety of purposes for protecting ferrous metals against rust. 128:
that adheres loosely, is of higher volume than the original displaced metal, and sloughs off readily; all of which permit & promote further oxidation.) The passivation layer of oxide markedly slows further oxidation and corrosion in room-temperature air for
921: 403:
Anodizing is an electrolytic process that forms a thicker oxide layer. The anodic coating consists of hydrated aluminium oxide and is considered resistant to corrosion and abrasion. This finish is more robust than the other processes and also provides
1086:
Fernando, K. A. Shiral; Sahu, Sushant; Liu, Yamin; Lewis, William K.; Guliants, Elena A.; Jafariyan, Amirhossein; Wang, Ping; Bunker, Christopher E.; Sun, Ya-Ping (2015). "Carbon Quantum Dots and Applications in Photocatalytic Energy Conversion".
1752:
The most common commercial spec for passivation of stainless steel parts. Used in various industries; latest revision is active for new designs; legacy designs may still require older revisions or older standards, if the engineering has not been
1787:
are frequently used in the aerospace industry, and are sometimes stricter than other standards. Latest revision is active for new designs; legacy designs may still require older revisions or older standards, if the engineering has not been
562:
It is not uncommon for some aerospace manufacturers to have additional guidelines and regulations when passivating their products that exceed the national standard. Often, these requirements will be cascaded down using
212:
metal, and the relative chemical potential of the oxide. Boundaries between micro grains, if the oxide layer is crystalline, form an important pathway for oxygen to reach the unoxidized metal below. For this reason,
443:
colors are produced when steel is heated and a thin film of iron oxide forms on the surface. The color indicates the temperature the steel reached, which made this one of the earliest practical uses of thin-film
48:
by the environment. Passivation involves creation of an outer layer of shield material that is applied as a microcoating, created by chemical reaction with the base material, or allowed to build by spontaneous
329:, however, do not form the oxide layer well, and thus are not protected against corrosion. There are methods to enhance the formation of the oxide layer for certain alloys. For example, prior to storing 554:-based bath, these acids remove surface iron and rust, while sparing the chromium. The various 'types' listed under each method refer to differences in acid bath temperature and concentration. 514:
are corrosion-resistant, but they are not completely impervious to rusting. One common mode of corrosion in corrosion-resistant steels is when small spots on the surface begin to rust because
530:. Some grades of stainless steel are especially resistant to rouging; parts made from them may therefore forgo any passivation step, depending on engineering decisions. 1122:
Gao, Xiaohu; Cui, Yuanyuan; Levenson, Richard M; Chung, Leland W K; Nie, Shuming (2004). "In vivo cancer targeting and imaging with semiconductor quantum dots".
758:
Yang, Xiaoyun; Kirsch, Jeffrey; Fergus, Jeffrey; Simonian, Aleksandr (2013). "Modeling analysis of electrode fouling during electrolysis of phenolic compounds".
1270:
Chen, George Zheng; Fray, Derek J.; Farthing, Tom W. (2001). "Cathodic deoxygenation of the alpha case on titanium and alloys in molten calcium chloride".
675:, nitrogen-containing molecules, and sulfur-containing molecules are considered, and recently it has been shown that π electrons can also play a role. 1851:. Both are now outdated; they are inactive for new designs, but legacy designs may still require their use, if the engineering has not been revisited. 451:
materials, including steel, may be somewhat protected by promoting oxidation ("rust") and then converting the oxidation to a metalophosphate by using
294: 297:
discovered surface passivation of silicon wafers by silicon dioxide, using passivation to build the first silicon dioxide field effect transistors.
216:
oxide coatings – which lack grain boundaries – can retard oxidation. The conditions necessary, but not sufficient, for passivation are recorded in
919:, Lincoln, Derick & Frosch, Carl J., "Oxidation of semiconductive surfaces for controlled diffusion", issued 1957-08-13 1819:
AMS-QQ-P-35 superseded U.S. federal spec QQ-P-35 on 4 April 1997. AMS-QQ-P-35 itself was canceled and superseded in February 2005 by AMS 2700.
1165: 368:, which metallurgically bonds thin layers of pure aluminium or alloy to different base aluminium alloy, is not strictly passivation of the 1234: 857: 345:
and dissolves any impurities on the inner surface of the container, and the deionized water rinses away the acid and oxidized impurities.
224:
help the formation of a passivation layer on the surface of the metals to which they are applied. Some compounds, dissolved in solutions (
1037: 1848: 1976: 116:. Aluminium similarly forms a stable protective oxide layer which is why it does not "rust". (In contrast, some base metals, notably 658:. The effect of passivation on the efficiency of solar cells ranges from 3–7%. The surface resistivity is high, > 100 Ωcm. 372:
alloy. However, the aluminium layer clad on is designed to spontaneously develop the oxide layer and thus protect the base alloy.
1356: 600:
which makes the metal surface appear colored, with the thickness of the passivation layer directly affecting the color produced.
1588:"Enhanced Photoluminescence and Solar Cell Performance via Lewis Base Passivation of Organic-Inorganic Lead Halide Perovskites" 1191: 900: 1627:"Reducing Defects Density and Enhancing Hole Extraction for Efficient Perovskite Solar Cells Enabled by π-Pb2+ Interactions" 1492:"Gradient band structure: high performance perovskite solar cells using poly(bisphenol A anhydride-co-1,3-phenylenediamine)" 69:
devices. Undesired passivation of electrodes, called "fouling", increases the circuit resistance so it interferes with some
153:). The inert surface layer formed by reaction with air has a thickness of about 1.5 nm for silicon, 1–10 nm for 425: 718: 161:, growing to 25 nm after several years. Similarly, for aluminium, it grows to about 5 nm after several years. 455:
and add further protection by surface coating. As the uncoated surface is water-soluble, a preferred method is to form
1932: 1919: 1327: 1847:
U.S. federal spec QQ-P-35 was superseded by AMS-QQ-P-35 on 4 April 1997 as part of the changeover instituted by the
839: 165: 270: 1863: 1831: 1800: 1765: 188:, which impair performance of the devices. Surface passivation of silicon usually consists of high-temperature 1674:"In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells" 1951: 1966: 1889: 793: 588:
and of titanium-rich alloys oxidizes immediately upon exposure to air to form a thin passivation layer of
1870: 1784: 1023: 357: 70: 1961: 1956: 698: 1491: 1981: 1427:"Resolving spatial and energetic distributions of trap states in metal halide perovskite solar cells" 53:
in the air. As a technique, passivation is the use of a light coat of a protective material, such as
333:
in an aluminium container, the container can be passivated by rinsing it with a dilute solution of
24: 1515:"Constructive molecular configurations forsurface-defect passivation of perovskite photovoltaics" 1169: 1012: 1840: 325:, which creates a physical barrier to corrosion or further oxidation in many environments. Some 1739:
ASTM A967: Standard specification for chemical passivation treatments for stainless steel parts
1245: 854: 597: 440: 286: 180:
refers not only to reducing the chemical reactivity of the surface but also to eliminating the
100:, that serves as a passivation layer - i.e. these metals are "self-protecting". In the case of 1035: 507:
The fitting on the left has not been passivated, the fitting on the right has been passivated.
1343:
Aberle, Armin G. (2000). "Surface passivation of crystalline silicon solar cells: A review".
667: 655: 405: 1221:"Stainless Steel Passivation Services – A967 & A380 | Delstar Metal Finishing, Inc" 890: 542:), and cleans the parts of dirt, scale, or other welding-generated compounds (e.g. oxides). 467:. Older, less effective but chemically similar electrochemical conversion coatings included 436: 1685: 1526: 1448: 1383: 693: 464: 54: 20: 8: 616: 221: 1689: 1530: 1452: 1387: 975: 832:
Low-Temperature Oxidation: The Role of Vitreous Oxides, A Wiley-Interscience Publication
522:) allow water molecules to oxidize some of the iron in those spots despite the alloying 1902: 1733: 1706: 1673: 1654: 1568: 1472: 1438: 1407: 1372:"Performance-limiting nanoscale trap clusters at grain junctions in halide perovskites" 1295: 1147: 936: 417: 74: 33: 1514: 1426: 1915: 1857: 1825: 1808: 1794: 1773: 1759: 1711: 1658: 1646: 1607: 1572: 1560: 1552: 1476: 1464: 1411: 1399: 1323: 1287: 1220: 1139: 1104: 995: 956: 896: 835: 775: 647: 555: 330: 250: 189: 1842:
QQ-P-35: Federal specification: Passivation treatments for corrosion-resistant steel
1299: 1151: 771: 1971: 1743: 1701: 1693: 1638: 1599: 1542: 1534: 1456: 1391: 1352: 1279: 1195: 1131: 1096: 1066: 987: 948: 865: 767: 636: 624: 593: 535: 476: 217: 204: 113: 89: 82: 568:
Electro-chemical testers can also be utilized to commercially verify passivation.
1936: 1041: 861: 651: 620: 511: 488: 452: 338: 326: 314: 266: 66: 1314: 1697: 916: 672: 589: 515: 472: 348:
Generally, there are two main ways to passivate aluminium alloys (not counting
262: 109: 1395: 1283: 1945: 1587: 1316:
New Perspectives on Surface Passivation: Understanding the Si-Al2O3 Interface
1291: 999: 960: 779: 421: 185: 181: 1538: 1460: 1371: 1929: 1715: 1650: 1642: 1611: 1564: 1468: 1403: 1143: 1108: 1100: 688: 640: 503: 225: 200: 44:
a material so that it becomes "passive", that is, less readily affected or
16:
Physico-chemical processes of protecting a surface from a chemical reaction
576: 1876:
A standard overview on black oxide coatings is provided in MIL-HDBK-205,
1873:(chemical film) per MIL-DTL-5541F for aluminium and aluminium alloy parts 1737: 1626: 551: 547: 468: 460: 334: 290: 278: 246: 78: 1747: 1547: 746: 273:
studied that issue systematically and demonstrated that when a piece of
1192:"Carpenter Technical Articles – HOW TO PASSIVATE STAINLESS STEEL PARTS" 1071: 1054: 991: 643: 254: 229: 173: 1603: 1556: 1357:
10.1002/1099-159X(200009/10)8:5<473::AID-PIP337>3.0.CO;2-D
952: 937:"Surface Protection and Selective Masking during Diffusion in Silicon" 1912:
Modern Electrochemistry: An Introduction to an Interdisciplinary Area
1812: 1777: 456: 393: 361: 322: 310: 154: 150: 134: 130: 58: 50: 1443: 1135: 612: 585: 523: 492: 353: 282: 158: 146: 138: 121: 88:
When exposed to air, many metals naturally form a hard, relatively
1814:
AMS QQ-P-35: Passivation treatments for corrosion-resistant steel
527: 448: 381: 349: 342: 257:
in 1790, who also noted that such pre-immersed Fe doesn't reduce
105: 97: 62: 45: 41: 232:) form non-reactive and low solubility films on metal surfaces. 608: 564: 484: 389: 385: 365: 318: 258: 169: 101: 1055:"Carbon quantum dots: Synthesis, properties and applications" 743: 719:"Passivation vs Electropolishing – What are the differences?" 519: 480: 213: 93: 1905:: American Elsevier Publishing Company, Inc, pp. 62–63. 376:
is a common way of passivating not only aluminium, but also
539: 377: 274: 142: 125: 117: 580:
Relation between voltage and color for anodized titanium.
397: 892:
Passivation and Corrosion of Black Rebar with Mill Scale
757: 666:
The easiest and most widely studied method to improve
1878:
Phosphate & Black Oxide Coating of Ferrous Metals
518:
or embedded bits of foreign matter (such as grinding
1779:
AMS 2700: Passivation of corrosion resistant steels.
1345:
Progress in Photovoltaics: Research and Applications
1085: 1121: 974:Huff, Howard; Riordan, Michael (1 September 2007). 615:, owing to the formation of a passivation layer of 245:The fact that iron doesn't react with concentrated 1046: 976:"Frosch and Derick: Fifty Years Later (Foreword)" 459:or zinc compounds by a process commonly known as 1943: 1910:Bockris, John O'M.; Reddy, Amulya K. N. (1977), 1269: 646:, surface passivation is usually implemented by 428:in size) with some form of surface passivation. 1928:Passivisation : Debate over Paintability 935:Frosch, C. J.; Derick, L. (1 September 1957). 915: 1909: 934: 817: 1838: 1489: 973: 650:at about 1000 Â°C to form a coating of 321:in the atmosphere through a process called 1272:Metallurgical and Materials Transactions B 1235:"Pickling and Passivating Stainless Steel" 1215: 1213: 240: 19:For the concept in nonlinear control, see 1705: 1546: 1442: 1263: 1070: 408:, which the other two processes may not. 1930:http://www.coilworld.com/5-6_12/rlw3.htm 1883: 751: 575: 559:perform the passivation of the surface. 502: 435: 420:(CQD) technology, CQDs are small carbon 313:naturally forms a thin surface layer of 199: 112:formed from reaction with environmental 1886:Surface Engineering for Wear Resistance 1631:Angewandte Chemie International Edition 1424: 1369: 1210: 1024:Chemical Conversion Coating on Aluminum 829: 341:. The nitric acid and peroxide mixture 184:and other defects that form electronic 96:(termed the "native oxide layer") or a 1944: 1585: 1342: 1089:ACS Applied Materials & Interfaces 1052: 941:Journal of the Electrochemical Society 1896: 1312: 980:The Electrochemical Society Interface 654:. Surface passivation is critical to 300: 289:only in 1927. Between 1955 and 1957, 23:. For the concept in spacecraft, see 1732: 1671: 1624: 1512: 1490:Nazeeruddin, Mohammad Khaja (2020). 884: 882: 431: 1807: 1772: 834:. New York: John Wiley & Sons. 611:can be used for handling elemental 120:, oxidize readily to form a rough, 13: 1726: 1168:. Arrow Cryogenics. Archived from 888: 498: 14: 1993: 879: 1977:Semiconductor device fabrication 1496:Journal of Materials Chemistry A 1059:Journal of Materials Chemistry C 889:Lu, Xinying (10 February 2023). 166:semiconductor device fabrication 1665: 1618: 1579: 1506: 1483: 1418: 1363: 1336: 1306: 1227: 1184: 1158: 1115: 1079: 1053:Wang, Youfu; Hu, Aiguo (2014). 1028: 1017: 1006: 967: 928: 909: 772:10.1016/j.electacta.2013.01.019 356:, and other barrier coatings): 281:, it will dissolve and produce 870: 848: 823: 811: 786: 737: 711: 550:-based passivating bath, or a 337:and peroxide alternating with 157:, and 1 nm initially for 65:is used during fabrication of 1: 1914:, vol. 2, Plenum Press, 1884:Budinski, Kenneth G. (1988), 1166:"Stainless Steel Passivation" 704: 661: 483:forms a passivating layer in 271:Christian Friedrich Schönbein 195: 79:amperometric chemical sensing 57:, to create a shield against 1892:: Prentice Hall, p. 48. 1890:Englewood Cliffs, New Jersey 305: 253:in 1738 and rediscovered by 71:electrochemical applications 7: 1897:Brimi, Marjorie A. (1965), 1871:Chromate conversion coating 1034:Aluminum Anodizing Process 830:Fehlner, Francis P (1986). 682: 571: 358:chromate conversion coating 77:for wastewater treatment, 10: 1998: 1862:: CS1 maint: postscript ( 1830:: CS1 maint: postscript ( 1799:: CS1 maint: postscript ( 1764:: CS1 maint: postscript ( 1698:10.1038/s41467-018-06204-2 1313:Black, Lachlan E. (2016). 876:Fehlner, Francis P, ref.3. 630: 235: 108:is a passivation layer of 92:surface layer, usually an 18: 1586:Snaith, Henry J. (2014). 1396:10.1038/s41586-020-2184-1 1284:10.1007/s11663-001-0093-8 866:Western Oregon University 619:. This fact is useful in 603: 411: 83:electrochemical synthesis 1370:Stranks, Samuel (2020). 818:Bockris & Reddy 1977 794:"Semiconductor Glossary" 471:, historically known as 25:Passivation (spacecraft) 1625:Zhou, Zhongmin (2021). 1539:10.1126/science.aay9698 1461:10.1126/science.aba0893 1425:Jinsong, Huang (2020). 679:water vapor intrusion. 265:anymore. In the 1830s, 241:Discovery and etymology 1672:Fang, Junfeng (2018). 1643:10.1002/anie.202102096 1101:10.1021/acsami.5b00448 699:Pilling–Bedworth ratio 668:perovskite solar cells 598:thin-film interference 581: 508: 445: 287:Ulick Richardson Evans 208: 164:In the context of the 1742:(Rev 05e2 ed.), 1678:Nature Communications 1040:20 March 2019 at the 656:solar cell efficiency 579: 546:"method" is either a 506: 439: 406:electrical insulation 203: 1952:Corrosion prevention 1935:4 March 2016 at the 1811:(16 February 2005), 1251:on 12 September 2012 1124:Nature Biotechnology 1013:Aluminum Passivation 860:3 March 2009 at the 465:phosphate conversion 277:is placed in dilute 222:corrosion inhibitors 21:Feedback passivation 1967:Integrated circuits 1748:10.1520/A0967-05E02 1690:2018NatCo...9.3806L 1637:(32): 17356–17361. 1531:2019Sci...366.1509W 1525:(6472): 1509–1513. 1513:Yang, Yang (2019). 1453:2020Sci...367.1352N 1437:(6484): 1352–1358. 1388:2020Natur.580..360D 895:. Springer Nature. 760:Electrochimica Acta 178:surface passivation 1903:New York, New York 1845:(Rev C ed.). 1817:(Rev A ed.). 1782:(Rev D ed.). 1198:on 22 October 2013 1072:10.1039/C4TC00988F 992:10.1149/2.F02073IF 855:University of Bath 582: 509: 446: 418:carbon quantum dot 301:Specific materials 249:was discovered by 209: 170:MOSFET transistors 168:, such as silicon 75:electrocoagulation 34:physical chemistry 1962:German inventions 1957:Surface finishing 1839:U.S. government, 1604:10.1021/nn5036476 1598:(10): 9815–9821. 1382:(7803): 360–366. 953:10.1149/1.2428650 902:978-981-19-8102-9 648:thermal oxidation 556:Sodium dichromate 526:. This is called 487:environments, as 432:Ferrous materials 331:hydrogen peroxide 251:Mikhail Lomonosov 218:Pourbaix diagrams 190:thermal oxidation 149:, and silicon (a 61:. Passivation of 36:and engineering, 1989: 1982:Swiss inventions 1925: 1906: 1899:Electrofinishing 1893: 1867: 1861: 1853: 1835: 1829: 1821: 1804: 1798: 1790: 1769: 1763: 1755: 1736:(1 March 2010), 1720: 1719: 1709: 1669: 1663: 1662: 1622: 1616: 1615: 1583: 1577: 1576: 1550: 1510: 1504: 1503: 1487: 1481: 1480: 1446: 1422: 1416: 1415: 1367: 1361: 1360: 1340: 1334: 1333: 1321: 1310: 1304: 1303: 1278:(6): 1041–1052. 1267: 1261: 1260: 1258: 1256: 1250: 1244:. Archived from 1239: 1231: 1225: 1224: 1217: 1208: 1207: 1205: 1203: 1194:. Archived from 1188: 1182: 1181: 1179: 1177: 1162: 1156: 1155: 1119: 1113: 1112: 1083: 1077: 1076: 1074: 1050: 1044: 1032: 1026: 1021: 1015: 1010: 1004: 1003: 971: 965: 964: 932: 926: 925: 924: 920: 913: 907: 906: 886: 877: 874: 868: 852: 846: 845: 827: 821: 815: 809: 808: 806: 804: 790: 784: 783: 755: 749: 741: 735: 734: 732: 730: 715: 694:Deal–Grove model 637:microelectronics 625:sewage treatment 594:titanium dioxide 536:sodium hydroxide 516:grain boundaries 512:Stainless steels 327:aluminium alloys 317:on contact with 205:Pourbaix diagram 114:hydrogen sulfide 1997: 1996: 1992: 1991: 1990: 1988: 1987: 1986: 1942: 1941: 1937:Wayback Machine 1922: 1855: 1854: 1823: 1822: 1792: 1791: 1776:(8 July 2011), 1757: 1756: 1729: 1727:Further reading 1724: 1723: 1670: 1666: 1623: 1619: 1584: 1580: 1511: 1507: 1488: 1484: 1423: 1419: 1368: 1364: 1341: 1337: 1330: 1319: 1311: 1307: 1268: 1264: 1254: 1252: 1248: 1237: 1233: 1232: 1228: 1219: 1218: 1211: 1201: 1199: 1190: 1189: 1185: 1175: 1173: 1172:on 4 March 2014 1164: 1163: 1159: 1120: 1116: 1095:(16): 8363–76. 1084: 1080: 1065:(34): 6921–39. 1051: 1047: 1042:Wayback Machine 1033: 1029: 1022: 1018: 1011: 1007: 972: 968: 933: 929: 922: 914: 910: 903: 887: 880: 875: 871: 862:Wayback Machine 853: 849: 842: 828: 824: 816: 812: 802: 800: 798:semi1source.com 792: 791: 787: 756: 752: 742: 738: 728: 726: 723:electro-glo.com 717: 716: 712: 707: 685: 664: 652:silicon dioxide 635:In the area of 633: 621:water treatment 617:nickel fluoride 606: 584:The surface of 574: 501: 499:Stainless steel 489:reinforcing bar 469:black oxidizing 453:phosphoric acid 434: 414: 339:deionized water 315:aluminium oxide 308: 303: 295:Lincoln Derrick 267:Michael Faraday 243: 238: 198: 67:microelectronic 28: 17: 12: 11: 5: 1995: 1985: 1984: 1979: 1974: 1969: 1964: 1959: 1954: 1940: 1939: 1926: 1920: 1907: 1894: 1881: 1874: 1868: 1836: 1805: 1770: 1728: 1725: 1722: 1721: 1664: 1617: 1578: 1505: 1482: 1417: 1362: 1351:(5): 473–487. 1335: 1328: 1305: 1262: 1226: 1209: 1183: 1157: 1136:10.1038/nbt994 1114: 1078: 1045: 1027: 1016: 1005: 966: 927: 908: 901: 878: 869: 847: 840: 822: 820:, p. 1325 810: 785: 750: 736: 725:. 10 June 2019 709: 708: 706: 703: 702: 701: 696: 691: 684: 681: 663: 660: 632: 629: 627:applications. 605: 602: 590:titanium oxide 573: 570: 500: 497: 433: 430: 413: 410: 307: 304: 302: 299: 242: 239: 237: 234: 197: 194: 186:surface states 182:dangling bonds 110:silver sulfide 15: 9: 6: 4: 3: 2: 1994: 1983: 1980: 1978: 1975: 1973: 1970: 1968: 1965: 1963: 1960: 1958: 1955: 1953: 1950: 1949: 1947: 1938: 1934: 1931: 1927: 1923: 1921:0-306-25002-0 1917: 1913: 1908: 1904: 1900: 1895: 1891: 1887: 1882: 1879: 1875: 1872: 1869: 1865: 1859: 1852: 1850: 1844: 1843: 1837: 1833: 1827: 1820: 1816: 1815: 1810: 1806: 1802: 1796: 1789: 1786: 1781: 1780: 1775: 1771: 1767: 1761: 1754: 1749: 1745: 1741: 1740: 1735: 1731: 1730: 1717: 1713: 1708: 1703: 1699: 1695: 1691: 1687: 1683: 1679: 1675: 1668: 1660: 1656: 1652: 1648: 1644: 1640: 1636: 1632: 1628: 1621: 1613: 1609: 1605: 1601: 1597: 1593: 1589: 1582: 1574: 1570: 1566: 1562: 1558: 1554: 1549: 1544: 1540: 1536: 1532: 1528: 1524: 1520: 1516: 1509: 1501: 1497: 1493: 1486: 1478: 1474: 1470: 1466: 1462: 1458: 1454: 1450: 1445: 1440: 1436: 1432: 1428: 1421: 1413: 1409: 1405: 1401: 1397: 1393: 1389: 1385: 1381: 1377: 1373: 1366: 1358: 1354: 1350: 1346: 1339: 1331: 1329:9783319325217 1325: 1318: 1317: 1309: 1301: 1297: 1293: 1289: 1285: 1281: 1277: 1273: 1266: 1247: 1243: 1236: 1230: 1222: 1216: 1214: 1197: 1193: 1187: 1171: 1167: 1161: 1153: 1149: 1145: 1141: 1137: 1133: 1130:(8): 969–76. 1129: 1125: 1118: 1110: 1106: 1102: 1098: 1094: 1090: 1082: 1073: 1068: 1064: 1060: 1056: 1049: 1043: 1039: 1036: 1031: 1025: 1020: 1014: 1009: 1001: 997: 993: 989: 985: 981: 977: 970: 962: 958: 954: 950: 946: 942: 938: 931: 918: 912: 904: 898: 894: 893: 885: 883: 873: 867: 863: 859: 856: 851: 843: 837: 833: 826: 819: 814: 799: 795: 789: 781: 777: 773: 769: 765: 761: 754: 748: 745: 740: 724: 720: 714: 710: 700: 697: 695: 692: 690: 687: 686: 680: 676: 674: 669: 659: 657: 653: 649: 645: 642: 638: 628: 626: 622: 618: 614: 610: 601: 599: 595: 591: 587: 578: 569: 566: 560: 557: 553: 549: 543: 541: 537: 531: 529: 525: 521: 517: 513: 505: 496: 494: 490: 486: 482: 478: 474: 470: 466: 462: 458: 454: 450: 444:interference. 442: 438: 429: 427: 423: 422:nanoparticles 419: 409: 407: 401: 399: 395: 391: 387: 383: 379: 373: 371: 367: 363: 359: 355: 351: 346: 344: 340: 336: 332: 328: 324: 320: 316: 312: 298: 296: 292: 288: 284: 280: 276: 272: 268: 264: 260: 256: 252: 248: 233: 231: 227: 223: 219: 215: 206: 202: 193: 191: 187: 183: 179: 175: 171: 167: 162: 160: 156: 152: 148: 144: 140: 136: 132: 127: 123: 119: 115: 111: 107: 103: 99: 95: 91: 86: 84: 80: 76: 72: 68: 64: 60: 56: 52: 47: 43: 39: 35: 30: 26: 22: 1911: 1898: 1885: 1877: 1846: 1841: 1818: 1813: 1783: 1778: 1751: 1738: 1681: 1677: 1667: 1634: 1630: 1620: 1595: 1591: 1581: 1548:11424/244343 1522: 1518: 1508: 1499: 1495: 1485: 1434: 1430: 1420: 1379: 1375: 1365: 1348: 1344: 1338: 1322:. Springer. 1315: 1308: 1275: 1271: 1265: 1253:. Retrieved 1246:the original 1241: 1229: 1200:. Retrieved 1196:the original 1186: 1174:. Retrieved 1170:the original 1160: 1127: 1123: 1117: 1092: 1088: 1081: 1062: 1058: 1048: 1030: 1019: 1008: 983: 979: 969: 944: 940: 930: 911: 891: 872: 850: 841:0471-87448-5 831: 825: 813: 801:. Retrieved 797: 788: 763: 759: 753: 739: 727:. Retrieved 722: 713: 689:Cold welding 677: 665: 641:photovoltaic 634: 607: 583: 561: 544: 532: 510: 447: 415: 402: 374: 369: 347: 309: 244: 210: 177: 163: 87: 37: 31: 29: 1684:(1): 3806. 1176:28 February 766:: 259–268. 644:solar cells 552:citric acid 548:nitric acid 479:. Ordinary 461:parkerizing 424:(less than 335:nitric acid 291:Carl Frosch 279:nitric acid 247:nitric acid 174:solar cells 124:coating of 104:, the dark 55:metal oxide 38:passivation 1946:Categories 1849:Perry memo 1788:revisited. 1753:revisited. 1444:2008.06789 947:(9): 547. 917:US2802760A 803:6 February 729:6 February 705:References 662:Perovskite 255:James Keir 230:molybdates 196:Mechanisms 1785:AMS specs 1659:235321221 1573:209424432 1477:213193915 1412:215775389 1292:1073-5615 1255:1 January 1242:Euro Inox 1000:1064-8208 986:(3): 29. 961:1945-7111 780:0013-4686 592:, mostly 457:manganese 441:Tempering 394:magnesium 366:Alclading 362:anodizing 323:oxidation 311:Aluminium 306:Aluminium 226:chromates 155:beryllium 151:metalloid 135:beryllium 131:aluminium 59:corrosion 51:oxidation 1933:Archived 1858:citation 1826:citation 1795:citation 1760:citation 1716:30228277 1651:34081389 1612:25171692 1592:ACS Nano 1565:31857483 1502:(17113). 1469:32193323 1404:32296189 1300:95616531 1152:41561027 1144:15258594 1109:25845394 1038:Archived 858:Archived 747:Goldbook 683:See also 673:carbonyl 613:fluorine 586:titanium 572:Titanium 524:chromium 493:concrete 491:does in 477:browning 400:alloys. 354:painting 343:oxidizes 283:hydrogen 214:vitreous 207:of iron. 159:titanium 147:titanium 139:chromium 73:such as 46:corroded 1972:MOSFETs 1707:6143610 1686:Bibcode 1557:1574274 1527:Bibcode 1519:Science 1449:Bibcode 1431:Science 1384:Bibcode 631:Silicon 528:rouging 449:Ferrous 382:cadmium 350:plating 263:nitrate 236:History 220:. Some 106:tarnish 98:nitride 63:silicon 42:coating 1918:  1714:  1704:  1657:  1649:  1610:  1571:  1563:  1555:  1475:  1467:  1410:  1402:  1376:Nature 1326:  1298:  1290:  1150:  1142:  1107:  998:  959:  923:  899:  864:& 838:  778:  609:Nickel 604:Nickel 565:Nadcap 485:alkali 473:bluing 412:Carbon 396:, and 390:silver 386:copper 319:oxygen 259:silver 122:porous 102:silver 81:, and 1655:S2CID 1569:S2CID 1473:S2CID 1439:arXiv 1408:S2CID 1320:(PDF) 1296:S2CID 1249:(PDF) 1238:(PDF) 1202:8 May 1148:S2CID 744:IUPAC 520:swarf 481:steel 426:10 nm 261:from 94:oxide 90:inert 1916:ISBN 1864:link 1832:link 1801:link 1766:link 1734:ASTM 1712:PMID 1647:PMID 1608:PMID 1561:PMID 1553:OSTI 1465:PMID 1400:PMID 1324:ISBN 1288:ISSN 1257:2013 1204:2013 1178:2014 1140:PMID 1105:PMID 996:ISSN 957:ISSN 897:ISBN 836:ISBN 805:2022 776:ISSN 731:2022 639:and 623:and 540:rust 378:zinc 370:base 360:and 293:and 275:iron 269:and 172:and 143:zinc 126:rust 118:iron 1809:SAE 1774:SAE 1744:doi 1702:PMC 1694:doi 1639:doi 1600:doi 1543:hdl 1535:doi 1523:366 1457:doi 1435:367 1392:doi 1380:580 1353:doi 1280:doi 1132:doi 1097:doi 1067:doi 988:doi 949:doi 945:104 768:doi 475:or 463:or 416:In 398:tin 40:is 32:In 1948:: 1901:, 1888:, 1860:}} 1856:{{ 1828:}} 1824:{{ 1797:}} 1793:{{ 1762:}} 1758:{{ 1750:. 1710:. 1700:. 1692:. 1680:. 1676:. 1653:. 1645:. 1635:60 1633:. 1629:. 1606:. 1594:. 1590:. 1567:. 1559:. 1551:. 1541:. 1533:. 1521:. 1517:. 1498:. 1494:. 1471:. 1463:. 1455:. 1447:. 1433:. 1429:. 1406:. 1398:. 1390:. 1378:. 1374:. 1347:. 1294:. 1286:. 1276:32 1274:. 1240:. 1212:^ 1146:. 1138:. 1128:22 1126:. 1103:. 1091:. 1061:. 1057:. 994:. 984:16 982:. 978:. 955:. 943:. 939:. 881:^ 796:. 774:. 764:94 762:. 721:. 495:. 392:, 388:, 384:, 380:, 364:. 352:, 228:, 192:. 176:, 145:, 141:, 137:, 133:, 85:. 1924:. 1866:) 1834:) 1803:) 1768:) 1746:: 1718:. 1696:: 1688:: 1682:9 1661:. 1641:: 1614:. 1602:: 1596:8 1575:. 1545:: 1537:: 1529:: 1500:8 1479:. 1459:: 1451:: 1441:: 1414:. 1394:: 1386:: 1359:. 1355:: 1349:8 1332:. 1302:. 1282:: 1259:. 1223:. 1206:. 1180:. 1154:. 1134:: 1111:. 1099:: 1093:7 1075:. 1069:: 1063:2 1002:. 990:: 963:. 951:: 905:. 844:. 807:. 782:. 770:: 733:. 27:.

Index

Feedback passivation
Passivation (spacecraft)
physical chemistry
coating
corroded
oxidation
metal oxide
corrosion
silicon
microelectronic
electrochemical applications
electrocoagulation
amperometric chemical sensing
electrochemical synthesis
inert
oxide
nitride
silver
tarnish
silver sulfide
hydrogen sulfide
iron
porous
rust
aluminium
beryllium
chromium
zinc
titanium
metalloid

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑