利用拉伸试验机和纳米力学探针对一种无Si含P连续退火TRIP钢的力学性能和铁素体微区力学性能进行了研究.宏观拉伸实验结果表明,无Si含P系TRIP钢拥有良好的力学性能,其屈服强度高达550-600 MPa,抗拉强度在740 MPa以上,断后延伸率均在25％以上.利用纳米力学探针对铁素体微区力学性能进行测试的结果表明,无Si含P系TRIP钢铁素体纳米硬度值比中Si系TRIP钢纳米硬度值高约0.6 GPa,由此引起的屈服强度差异约为75 MPa,抗拉强度差异约为80 MPa.
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