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	Influences of volume fraction, shape and strength of martensite islands on mechanical properties of granular structure steels
	Xu Fengyun ; Bai Bingzhe ; Fang Hongsheng
	2010-10-12 ; 2010-10-12
关键词	Experimental/ granular structure plastic deformation steel stress-strain relations work hardening yield strength/ volume fraction shape martensite islands mechanical properties granular structure steels uniaxial load flow Eshelby equivalent inclusion model plastic deformation yield strength work hardening morphology stress-strain curves homogeneous deformation FeCJk/ A8140L Deformation, plasticity and creep A6220F Deformation and plasticity A8140E Cold working, work hardening post-deformation annealing, recovery and recrystallisation textures/ Fe/ss C/ss
中文摘要	The uniaxial load flow behavior of granular structure steels was predicted by Eshelby equivalent inclusion model incorporating the plastic deformation of martensite islands. The result shows that the yield strength and work hardening ratio of granular structure steels increase nonlinearly with the increase in the volume fraction of martensite islands before martensite yielding. The morphology of martesite island plays a little role in stress-strain curves of homogeneous deformation. The strength of martensite island has little influence on the yield strength of granular structure and martensite island is harder to deform plastically as martensite has lower volume fraction.
语种	中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78140]
专题	清华大学
推荐引用方式 GB/T 7714	Xu Fengyun,Bai Bingzhe,Fang Hongsheng. Influences of volume fraction, shape and strength of martensite islands on mechanical properties of granular structure steels[J],2010, 2010.
APA	Xu Fengyun,Bai Bingzhe,&Fang Hongsheng.(2010).Influences of volume fraction, shape and strength of martensite islands on mechanical properties of granular structure steels..
MLA	Xu Fengyun,et al."Influences of volume fraction, shape and strength of martensite islands on mechanical properties of granular structure steels".(2010).

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