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M3 Microstructure Control Theory and Technology of the Third-Generation Automotive Steels with HighStrength and High Ductility
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图4. 亚稳奥氏体含量与钢强塑积的关系[41]和奥氏体体积分数对中锰钢加工硬化行为的影响

Fig.4. Relation between metastable austenite fraction and strength-ductility balance (Rm—tensile strength, δ—elongation) (a)[41] and effect of austenite fraction on work-hardening behavior of medium-Mn steel (dσ/dε—work-hardening rate) (b)