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Anisotropic TGO rumpling in EB-PVD thermal barrier coatings under in-phase thermomechanical loading

n electron beam physical vapor deposited (EB-PVD) Y2O3?ZrO2 thermal barrier system has been tested under in-phase thermomechanical fatigue (TMF) conditions with thermal gradient in the through-thickness direction.

出版机构:Elsevier Science

刊物名称:Acta Materialia

出版时间:2011

ISSN:1359-6454

数据源:报刊文摘

High-temperature superelasticity and competing microstructural mechanisms in Co49Ni21Ga30 shape memory alloy single crystals under tension

large temperature range of stress-induced martensitic transformation with >8% superelastic strain is demonstrated in [100]-oriented Co49Ni21Ga30 single crystals.

出版机构:Elsevier Science

刊物名称:Scripta Materialia

出版时间:2010

ISSN:1359-6462

数据源:报刊文摘

Nanoscale fast relaxation events in polyethylene

Discrete relaxation events on the submicron scale were observed during nanoindentation on polyethylene. The frequency with which these events occur increases as the crystallinity of the polyethylene increases, but the effect saturates at high crystallization levels.

出版机构:Elsevier Science

刊物名称:Scripta Materialia

出版时间:2010

ISSN:1359-6462

数据源:报刊文摘

Scaling the response of microscale compression molding of elemental Cu in the presence of dynamic recrystallization

Replication of metallic high-aspect-ratio microscale structures by direct compression molding is a promising microfabrication technique. In this paper, the micromolding response of elemental Cu is measured as a function of molding temperature.

出版机构:Elsevier Science

刊物名称:Acta Materialia

出版时间:2010

ISSN:1359-6454

数据源:报刊文摘

High-temperature strength of compacted sub-micrometer aluminium powder

luminium powders with a mean particle size of around 1?m were compacted by cold isostatic pressing (CIP) and additional forging. The specimens are characterized by hot compression tests, dilatometry and metallography.

出版机构:Elsevier Science

刊物名称:Acta Materialia

出版时间:2010

ISSN:1359-6454

数据源:报刊文摘

A new prediction model of steady state stress based on the influence of the chemical composition for nickel-base superalloys

By means of series Gleeble 1500D hot compression tests, the influences of primary alloying elements on steady state stress for 16 type wrought nickel-base superalloys were systematically investigated.

出版机构:Elsevier Science

刊物名称:Materials Science and Engineering: A

出版时间:2010

ISSN:0921-5093

数据源:报刊文摘

Strains and strain rates during friction stir welding

Strains experienced by materials during friction stir welding (FSW) are important but scarce in the literature. Here we report the computed strains and strain rates during FSW of AA2524 from a three-dimensional coupled viscoplastic flow and heat transfer model.

出版机构:Elsevier Science

刊物名称:Scripta Materialia

出版时间:2009

ISSN:1359-6462

数据源:报刊文摘

Micro-deformation mechanisms in thermoformed alumina trihydrate reinforced poly(methyl methacrylate)

Micro-deformation mechanisms involved in thermoforming of alumina trihydrate (ATH) reinforced poly(methyl methacrylate) (PMMA) was investigated in a new experimental method replicating industrial heavy-gage thermoforming procedure.

出版机构:Elsevier Science

刊物名称:Materials Science and Engineering: A

出版时间:2009

ISSN:0921-5093

数据源:报刊文摘

Effect of texture on high temperature deformation behavior at high strain rates in a Mg–3Al–1Zn alloy

The effect of specimen orientation, or texture on high temperature deformation behavior at a high strain rate of 103 s?1 was investigated in an extruded Mg?3Al?1Zn alloy rod with ? 1 0 1 ? 0 ? fiber texture.

出版机构:Elsevier Science

刊物名称:Materials Science and Engineering: A

出版时间:2009

ISSN:0921-5093

数据源:报刊文摘

Strain-induced boundary migration of carbon steel at high temperatures

The rate of strain-induced boundary migration (SIBM), which appears during small strains in carbon steel under the critical strain for dynamic recrystallization, was measured through in situ observation at high temperatures.

出版机构:Elsevier Science

刊物名称:Scripta Materialia

出版时间:2009

ISSN:1359-6462

数据源:报刊文摘