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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

Microstructure and oxidation of multi-layer MoSi2–CrSi2–Si coatings for SiC coated carbon/carbon composites

Multi-layer MoSi2?CrSi2?Si anti-oxidation coatings with different compositional ratios were prepared on the surface of SiC coated carbon/carbon (C/C) composites by a two-step pack cementation method. The microstructure and anti-oxidation performance of the coating were studied.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2010

ISSN:0010-938X

数据源:报刊文摘

Microstructural evolution of coating-modified 3D C/SiC composites after annealing in wet oxygen at different temperatures

Two types of coating-modified 3D C/SiC, coated with CVD SiC/SiC/SiC (type I) and CVD SiC/amorphous-BC/SiC (type II), are subjected to a 14vol.% H2O/8vol.% O2/78vol.% Ar atmosphere at 700, 1000 and 1200?C up to 100h.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2010

ISSN:0010-938X

数据源:报刊文摘

SiC nanowire-toughened MoSi2–SiC coating to protect carbon/carbon composites against oxidation

To protect carbon/carbon (C/C) composites against oxidation, a SiC nanowire-toughened MoSi2?SiC coating was prepared on them using a two-step technique of chemical vapor deposition and pack cementation.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2010

ISSN:0010-938X

数据源:报刊文摘

Preparation and oxidation protection of CVD SiC/a-BC/SiC coatings for 3D C/SiC composites

n amorphous boron carbide (a-BC) coating was prepared by LPCVD process from BCl3?CH4?H2?Ar system. XPS result showed that the boron concentration was 15.0at.%, and carbon was 82.0at.%. One third of boron was distributed to a bonding with carbon and 37.0at.% was dissolved in graphite lattice.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2009

ISSN:0010-938X

数据源:报刊文摘

A MoSi2/SiC oxidation protective coating for carbon/carbon composites

? A crack-free MoSi2 outer layer was deposited on SiC pre-coated C/C composites by a novel hydrothermal electrophoretic deposition under an optimized condition. ? The prepared MoSi2/SiC multilayer coatings exhibit excellent oxidation resistance. ?

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 ozone adsorption on the oxidation behaviour of ZrB2–SiC ceramic composites

Ceramics of ZrB2?20vol.% SiC were prepared by hot pressing method, and ozone (O3) was adsorbed on the surface of the ceramics. Then the as-adsorbed ceramics were oxidized in air and the effect of ozone adsorption on the oxidation behaviour of the ceramic composites was analyzed.

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

Early high temperature oxidation behaviour of Ti(C,N)-based cermets in air

? Mass gains exhibited neither linear nor parabolic law during isothermal oxidation at 800?1100?C. ? Oxide scales formed consisted of NiO outerlayer, NiTiO3 interlayer and TiO2-based innerlayer. ? Internal oxidation zones formed consisted of Ti-, Ni- and Mo-based oxides. ?

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2010

ISSN:0010-938X

数据源:报刊文摘

Oxidation of zirconium diboride–silicon carbide ceramics under an oxygen partial pressure of 200Pa: Formation of zircon

The formation and evolution of zircon during oxidation of ZrB2?20vol.% SiC ceramics under a low oxygen partial pressure of 200Pa is studied. The formation mechanism of zircon is proposed according to experimental results and thermodynamic consideration.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2010

ISSN:0010-938X

数据源:报刊文摘

B2O3 modified SiC–MoSi2 oxidation resistant coating for carbon/carbon composites by a two-step pack cementation

To protect carbon/carbon (C/C) composites against oxidation, a B2O3 modified SiC?MoSi2 coating was prepared by a two-step pack cementation. The microstructure and the oxidation resistant property of the coating were studied.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2009

ISSN:0010-938X

数据源:报刊文摘