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		γ/ε双相Fe-19Mn合金在拉伸变形过程中的组织演变和加工硬化行为
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			Microstructural Evolution and Work Hardening Behavior of Fe-19Mn Alloy Containing Duplex Austenite and ε-Martensite
			 
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		 图1. Fe-19Mn的拉伸性能  | 
	
Fig.1. Tensile properties of Fe-19Mn(a) curve of engineering stress-strain(b) curves of true stress (σtrue) and work hardening rate (dσtrue/dεtrue) vs true strain (εtrue)  | 
	
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