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首页> 外文会议>International Conference on Microalloying for New Steel Processes and Applications >Microalloying of Cold-Formable Multi Phase Steel Grades
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Microalloying of Cold-Formable Multi Phase Steel Grades

机译：冷可格式多相钢等级的微合金化

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Microalloying elements like Al, B, Nb, Ti ,V can be used to optimise the microstructure evolution and the mechanical properties of advanced high strength steels (AHSS). Microalloying elements are characterised by small additions < 0.1 mass% and their ability to form carbides or nitrides. They can increase strength by grain refinement and precipitation hardening, retard or accelerate transformations and affect the diffusion kinetics as well as the stacking fault energy. Thus, by their addition the AHSS with their high requirements to process control can be adopted to existing processing lines. Different combinations of microstructural phases and different chemical compositions have been investigated for AHSS in order to combine high strength with excellent formability. The recently developed high manganese steels further improve the formability due to their austenitic microstructure and inherent phase transformations during forming.
机译：如Al，B，Nb，Ti，V等微合金元素可用于优化高强度钢（AHSS）的微观结构演化和机械性能。微合金元件的特征在于小添加<0.1质量％及其形成碳化物或氮化物的能力。它们可以通过晶粒细化和沉淀硬化，延迟或加速转换来增加强度，并影响扩散动力学以及堆叠故障能量。因此，通过添加具有其高要求的AHS可以采用对过程控制的应用线。已经研究了微观结构相和不同化学组合物的不同组合，以使高强度以优异的成形性结合。最近开发的高锰钢进一步提高了由于其奥氏体结构和成型过程中固有的相变的可成形性。

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