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首页> 外文会议>Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005 >Static and Dynamic Mechanical Properties of Low Carbon Low Silicon TRIP Steel Containing Aluminum and Vanadium
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Static and Dynamic Mechanical Properties of Low Carbon Low Silicon TRIP Steel Containing Aluminum and Vanadium

机译：含铝和钒的低碳低硅TRIP钢的静态和动态力学性能

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摘要

Effect of strain rate on dynamic mechanical properties in low carbon low silicon TRIP(transformation-induced plasticity) steel containing aluminum and vanadium was investigated. The results show that the strength, ductility, product of strength and ductility, and absorbed energy of test steel increase with increasing the strain rate. Compared with static mechanical properties, the dynamic strength is higher than that of static, the highest dynamic elongation is equal to that of static. In addition, the retained austenite transformation kinetics was measured by tensile test and simulated by the function y = 1- e~(-Ax), where A indicates the velocity of retained austenite transformation. The larger the A value, the faster the velocity. From the discussion, the decreasing dynamic ductility is mainly due to most of retained austenite transforming at the smaller strain.
机译：研究了应变速率对含铝和钒的低碳低硅TRIP钢的动态力学性能的影响。结果表明，随着应变率的增加，试验钢的强度，延展性，强度和延展性的乘积以及吸收能增加。与静态机械性能相比，动态强度高于静态强度，最大动态伸长率等于静态强度。此外，通过拉伸试验测量残余奥氏体转变动力学，并通过函数y = 1- e〜（-Ax）模拟，其中A表示残余奥氏体转变速度。 A值越大，速度越快。通过讨论，动态延展性的下降主要是由于大部分残余奥氏体在较小的应变下发生了转变。

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