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A modified dual-layer SiC oxidation protective coating for carbon/carbon composites prepared by one-step pack cementation

? A dual-SiC coating was prepared by introducing ferrocene in pack cementation. ? The minute SiC grains and SiC nanowires could effectively tought the coating. ? The coating could protect C/C composites from oxidation over 100h at 1673K in air.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

In situ measurement of Young’s modulus of FeO scale formed on pure iron at 973–1273K by acoustic resonance method

? Young?s modulus of FeO up to 1273K is reported. ? High-temperature resonance metre was developed. ? A method to preferentially form FeO was developed.The Young?s modulus of FeO scales formed on a pure iron bar was measured at temperatures between 973 and 1273K. The FeO was formed with charging 4.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Cyclic oxidation of Ti3AlC2 at 1000–1300°C in air

? In this manuscript, the cyclic-oxidation behavior of Ti3AlC2 was systematically studied at 1000?1300?C in air for up 40 cycles for the first time. ? The results revealed that Ti3AlC2 had excellent resistance to thermal cycling.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Hydrogen gas production during corrosion of copper by water

? The hydrogen gas pressure is measured above immersed copper in distilled water and approaches ~10?3 bar at equilibrium. ? Measured hydrogen pressure from copper corrosion increases with temperature and has the same dependency as the concentration of OH? in the ion product [OH?] [H+]. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Effect of yttrium on the cyclic oxidation behaviour of HP40 heat-resistant steel at 1373K

? Yttrium has a benefit effect on the cyclic oxidation resistance of HP40 alloy. ? Y facilitates the formation of internal oxide (silica) during cyclic oxidation. ? A continuous spinel layer is observed on Y doped alloy during cyclic oxidation. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Carburization of W- and Re-rich Ni-based alloys in impure helium at 1000°C

� Depending on the alloy composition, carbides of type M6C, M7C3 or M23C6 were observed, with a maximum carbon pickup between 0.06 and 0.12wt.%. Alloys with high W content exhibited M6C type carbides, whereas high Cr and low W alloys formed Cr-rich M23C6 carbides.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Comparison of the dry and wet oxidation at 900°C of η-Fe2Al5 and δ-Ni2Al3 coatings

? The addition of water vapor favored to prevent breakaway oxidation of ?-Fe2Al5. ? The addition of water vapor promoted the growth of ?-alumina on ?-Ni2Al3. ? Large interface cavities occurred for the oxidation of ?-Fe2Al5. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

The growth mechanism of CO2 corrosion product films

? The structure of the CO2 corrosion product films are duplex layer, which consist of inner layer and outer layer. ? After outer layer appearing the whole corrosion rate decreases and the protective performance of CO2 corrosion product films is improved. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

High-temperature oxidation and hot-corrosion behaviour of EB-PVD β-NiAlDy coatings

? Cr/Dy doped ?-NiAl coatings were produced by electron beam physical vapor deposition. ? The microstructures of the Cr/Dy doped ?-NiAl coatings were characterized. ? The effect mechanisms of Dy and Cr on the cyclic oxidation of the NiAl coatings were investigated. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘

Effect of nickel ion from autoclave material on oxidation behaviour of 304 stainless steel in oxygenated high temperature water

? Oxides formed evolve from dominating hematite to spinel as immersion time extends. ? Oxides nucleate by solid-state reactions and then develop through precipitation. ? Ni2+ can stabilize NiFe2O4 and influence the oxidation behaviour of 304 SS notably.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2011

ISSN:0010-938X

数据源:报刊文摘