刘渊媛,陈明,魏星.600 MPa级相变诱导塑性钢的动态力学性能[J].精密成形工程,2017,9(6):16-19.
LIU Yuan-yuan,CHEN Ming,WEI Xing.Dynamic Mechanical Properties of 600 MPa Transformation Induced Plasticity Steel[J].Journal of Netshape Forming Engineering,2017,9(6):16-19. |
| 600 MPa级相变诱导塑性钢的动态力学性能 |
| Dynamic Mechanical Properties of 600 MPa Transformation Induced Plasticity Steel |
| 投稿时间：2017-09-25 修订日期：2017-11-10 |
| DOI：10.3969/j.issn.1674-6457.2017.06.004 |
| 中文关键词: 相变诱导塑性 高速拉伸 强度 延展性 |
| 英文关键词: TRIP high strain rate tensile test strength ductility |
| 基金项目: |
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| 中文摘要: |
| 目的 研究相变诱导塑性钢不同应变速率下的力学性能，尤其是动态力学性能。方法 对600 MPa级相变诱导塑性钢进行了准静态至动态6种不同应变速率下的力学性能测试，并对各试样断口处残余奥氏体含量进行了测试比对。0.001~0.01 s−1准静态测试在ZWICK Z050万能试验机上完成，0.1, 1, 10, 100 s−1动态测试在ZWICK HTM5020液压伺服高速拉伸试验机上完成。结果 力学测试结果表明，TRIP600具有明显的应变速率效应。在较高速率下，随应变速率的升高材料屈服强度、抗拉强度及伸长率都有一定程度的提高。结论 断口处残余奥氏体含量在较高速率下无明显差别，表明较动态条件下应变速率对残余奥氏体转变影响不明显。 |
| 英文摘要: |
| The study aims to research mechanical property, especially dynamic mechanical property of transformation induced plasticity steel at different strain rates. Quasi-static and dynamic tensile tests were conducted to TRIP600 steel in six different strain rates to get mechanical properties under different strain rates. Content of retained austenite at fracture of specimen were tested and compared. Quasi-static tests with strain rates of 0.001 - 0.01 s−1 were conducted with ZWICK Z050 universal testing machine, while dynamic tests were carried out with ZWICK HTM 5020 hydraulic servo high strain rate testing machine. TRIP600 has apparent strain rate effect. Yield strength, tensile strength and ductility were higher under high strain rate tensile test. Contents of retained austenite around the fractures are close in medium-high to high strain rate tests, reveals that strain rates have little effect on the transformation of austenite. |
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