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Oxidation behavior of thermal barrier coatings with HVOF and detonation-sprayed NiCrAlY bondcoats

The high-velocity oxygen-fuel (HVOF) technology was employed to deposit the bondcoat of a thermal barrier coating (TBC) system. The isothermal oxidation rate at 1100?C of the TBC system with the HVOF bondcoat is two times lower than that of the TBC system with the detonation-sprayed bondcoat.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

In situ synthesis of zirconia nanotube crystallines by direct anodization

Zirconia nanotube crystallines were obtained using a direct anodization method in 1M (NH4)2SO4 electrolyte containing 0.5wt.% NH4F at different applied voltages (10?50V).

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Simulation and experimental approach to CVD-FBR aluminide coatings on ferritic steels under steam oxidation

The ferritic steels used to produce structural components for steam turbines are susceptible to strong corrosion and creep damage due to the extreme working conditions pushed to increase the process efficiency and to reduce pollutants release.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Kinetics and mechanisms of non-isothermal oxidation of graphite in air

The non-isothermal oxidation kinetics and mechanisms of the graphite in air was studied by TG and SEM. The oxidation rate increases rapidly with the increase of temperature before 30% weight loss, then turns to steady, and decreases sharply with the increase of temperature after 85% weight loss.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Model of oxidation of SiC microparticles at high temperature

The results show that our new model and the calculated results can reach a good agreement. It may also be seen that the important role of particle size in oxidation of SiC powder, especially in the nano era for SiC material.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Quantitative analysis of iron oxides using Fourier transform infrared spectrophotometry

In this study, a systematic approach based on the application of Fourier transform infrared spectrophotometry (FTIR) was taken, in order to quantitatively analyze the corrosion products formed in the secondary cycle of pressurized water reactors (PWR).

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Weld oxide formation on lean duplex stainless steel

4162/UNS S32101) and 2304 (EN 1.4362/UNS S32304) welded with and without nitrogen additions to the shielding gas. The process of heat tint formation is discussed in terms of transport phenomena to explain the effect of atmosphere, temperature and composition.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Effect of ambient air pressure on the oxidation kinetics of Fe–6at.% Si alloy

Surface oxidation of Fe?6at.% Si alloy was investigated during annealing in ambient air of various pressures with simultaneous isothermal resistivity registrations. Measurements have been done in the temperature range 500?540?C.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Erosion of oxide scales formed on Cr3C2–NiCr thermal spray coatings

Cr3C2?NiCr thermal spray coatings are extensively used to mitigate high temperature erosive wear in fluidised bed combustors and power generation/transport turbines. The aim of this work was to characterise the variation in oxide erosion response as a function of the Cr3C2?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘

Iron oxidation kinetics study by using infrared spectral emissivity measurements below 570°C

The oxidation kinetics of iron below 570?C is investigated through the dependence of the spectral emissivity on the surface oxidation state. Using the theory of radiative effects of thin films, the oxide scale thickness is obtained as a function of time.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2008

ISSN:0010-938X

数据源:报刊文摘