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Development and oxidation resistance of air plasma sprayed Mo–Si–Al coating on an Nbss/Nb5Si3 in situ composite

Mo?Si?Al coating, which is mainly composed of Mo(Si,Al)2 and Mo5(Si,Al)3, was developed to protect a Nbss/Nb5Si3 in situ composite by air plasma spraying. After oxidation at 1250?C, the oxidation curve followed parabolic law and even after oxidation for 100h, the weight gain of Mo?Si?

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

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

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

Microstructure and oxidation behaviour of an AlSiY/NiCrAlYSi composite coating at 1150°C

? One duplex composite coating AlSiY/NiCrAlYSi was prepared by AIP process. ?Isothermal and cyclic test were performed on the as-annealed samples at 1150?C. ? The oxide scale on the composite coating was of double-layer microstructure. ? Y was incorporated in the scale during oxidation as Y?Al?

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 an ultrafine-grained and CeO2-dispersed δ-Ni2Al3 coating

novel ultrafine-grained and CeO2-dispersed ?-Ni2Al3 coating was fabricated through aluminizing a CeO2-nanoparticle-dispersed nanocrystalline Ni matrix film using an NH4Cl-activated pack cementation method at 600?C. Two CeO2-free ?

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

Discontinuous oxidation and erosion-oxidation of a CeO2-dispersion-strengthened chromium coating

CeO2-dispersion-strengthened chromium coating was developed on a carbon steel using a two-step process: prior electrodeposition of a Ni-CeO2 nanocomposite film and subsequent chromization using a conventional pack cementation method.

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

High temperature corrosion behaviour of a gradient NiCoCrAlYSi coating II: Oxidation and hot corrosion

The high temperature oxidation and hot corrosion behaviour of a NiCoCrAlYSi coating and a gradient coating were investigated. The gradient coating showed better performance of re-healing alumina scale due to its possession of more ? phase as Al reservoir.

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

Isothermal oxidation behaviour of a gradient NiCoCrAlSiY coating deposited by arc ion plating on a Ni-based single crystal superalloy

gradient NiCoCrAlSiY coating consisting of Al-enriched outer zone and Cr-enriched internal zone was prepared using arc ion plating method and subsequent annealing treatment. Isothermal oxidations were performed at 1000?C and 1100?C in static air.

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

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

Preparation and oxidation resistance of a crack-free Al diffusion coating on Ti22Al26Nb

k-free Al diffusion coating has been developed to improve the oxidation resistance of Ti22Al26Nb. It was produced by a two-step method; an Al film was deposited on the substrate alloy by arc ion plating followed by a diffusion process conducted at 873K in pure Ar to form the Al diffusion coating.

出版机构:Elsevier Science

刊物名称:Corrosion Science

出版时间:2007

ISSN:0010-938X

数据源:报刊文摘