高强度高塑性第三代汽车钢的M3组织调控理论与技术
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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3. M3 (多相、亚稳和多尺度)组织调控思路、正/逆相变工艺及其性能调控原理 |
Fig.3. M3 (multiphase, metastable, multiscale) microstructure control design, positive/reverse phase transformation process and performance control principle (A3—temperature of polymorphic transformation γ?α in Fe-C phase diagram, A1—temperature of eutectoid reaction in Fe-C phase diagram, Ms—martensite transformation start temperature, TMCP—thermo mechanical control process) |
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