On the influence of sol-gel derived CeO2 coatings on high-temperature oxidation of Co, Ni and Cu

被引：32

作者：

Haugsrud, R ^{[1
]}

机构：

[1] Univ Oslo, Ctr Mat Sci, Dept Chem, N-0349 Oslo, Norway

来源：

CORROSION SCIENCE | 2002年 / 44卷 / 07期

关键词：

sol-gel based CeO2 coatings; high-temperature oxidation mechanism; Co; Ni; Cu; grain boundary segregation;

D O I：

10.1016/S0010-938X(01)00155-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of CeO2 coatings on high-temperature oxidation of Co, Ni and Cu have been investigated as a function of temperature at oxygen pressures from 1x10(-4) to 1 atm. The oxidation mechanisms for Co and Cu are essentially unaffected by CeO2 coatings, whereas the oxidation rate of Ni decreases by approximately one order of magnitude. The oxygen pressure dependence does not change markedly with CeO2 coatings for any of the metals studied. For oxidation of Ni plus CeO2 coatings, the temperature dependence is less marked at lower temperatures, whereas essentially the same behavior is observed for Co and Cu with and without the coating. Differences in the effects of CeO2 coatings for the three metal systems have been attributed to the relative influence of grain boundary transport on the overall rates of oxidation. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：1569 / 1582

页数：14

共 37 条

[1] TRANSPORT OF NICKEL AND OXYGEN DURING THE OXIDATION OF NICKEL AND DILUTE NICKEL CHROMIUM-ALLOY [J].

ATKINSON, A ;

SMART, DW .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1988, 135 (11) :2886-2893

[2] TRANSPORT PROCESSES IN THE OXIDATION OF NI STUDIED USING TRACERS IN GROWING NIO SCALES [J].

ATKINSON, A ;

TAYLOR, RI ;

GOODE, PD .

OXIDATION OF METALS, 1979, 13 (06) :519-543

[3] THE DIFFUSION OF NI-63 ALONG GRAIN-BOUNDARIES IN NICKEL-OXIDE [J].

ATKINSON, A ;

TAYLOR, RI .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1981, 43 (04) :979-998

[4] TRANSPORT PROCESSES DURING THE GROWTH OF OXIDE-FILMS AT ELEVATED-TEMPERATURE [J].

ATKINSON, A .

REVIEWS OF MODERN PHYSICS, 1985, 57 (02) :437-470

[5] DIFFUSION OF NI IN THE BULK AND ALONG DISLOCATIONS IN NIO SINGLE-CRYSTALS [J].

ATKINSON, A ;

TAYLOR, RI .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1979, 39 (05) :581-595

[6]

ATKINSON A, 1983, HIGH TEMPERATURE COR

[7] INVESTIGATION OF HIGH-TEMPERATURE OXIDATION OF FE-CR ALLOYS BY MEANS OF ISOTOPE O-18 [J].

BRUCKMAN, A ;

EMMERICH, R ;

MROWEC, S .

OXIDATION OF METALS, 1972, 5 (02) :137-147

[8] TRACE-ELEMENT EFFECTS IN OXIDATION - THE INFLUENCE OF CERIUM ON GRAIN-BOUNDARY TRANSPORT IN NICKEL-OXIDE [J].

CHADWICK, AT ;

TAYLOR, RI .

SOLID STATE IONICS, 1984, 12 (MAR) :343-351

[9] Optimizing properties of CeO2 sol-gel coatings for protection of metallic substrates against high temperature oxidation [J].

Czerwinski, F ;

Szpunar, JA .

THIN SOLID FILMS, 1996, 289 (1-2) :213-219

[10] SURFACE-ANALYSIS OF NICKEL-OXIDE FILMS MODIFIED BY A REACTIVE ELEMENT [J].

CZERWINSKI, F ;

SZPUNAR, JA ;

MACAULAYNEWCOMBE, RG ;

SMELTZER, WW .

OXIDATION OF METALS, 1995, 43 (1-2) :25-57

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