MICROSTRUCTURE AND TENSILE PROPERTIES OF Fe3Al-BASED ALLOYS WITH VC AND TiC ADDITIONS
来源期刊：Acta Metallurgica Sinica2001年第4期
论文作者：W.L.Xu S.S.Ding Y.S.Sun
Key words：Fe3Al; VC; TiC; microstructure; mechanical property;
Abstract: Microstructure and tensile properties of Fe3Al-based alloys with additions of TiC andVC particles have been investigated.Results show that the formation of TiC particlesresults in the refinement of the macrostructure of as-cast ingots.Although the additionof VC particles does not cause significant change of the as-cast microstructure,themicrostructure of the alloy after hot-working and recrystallization has been found tobe refined.The formation of both VC and TiC particles results in the increase of yieldstrength,especially at high temperature of 600℃.
W.L.Xu1，S.S.Ding1，Y.S.Sun1
(1.Department of Materials Science & Engineering,Southeast University,Nanjing 210096,China)
Abstract:Microstructure and tensile properties of Fe3Al-based alloys with additions of TiC andVC particles have been investigated.Results show that the formation of TiC particlesresults in the refinement of the macrostructure of as-cast ingots.Although the additionof VC particles does not cause significant change of the as-cast microstructure,themicrostructure of the alloy after hot-working and recrystallization has been found tobe refined.The formation of both VC and TiC particles results in the increase of yieldstrength,especially at high temperature of 600℃.
Key words:Fe3Al; VC; TiC; microstructure; mechanical property;
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