运用有限元法,综合考虑了温度、相变及应力的耦合作用,对车轮热处理残余应力及热处理工艺对它的影响规律进行了分析.模拟分析表明,马钢生产的HDSA车轮踏面的最大周向残余压应力为140MPa左右,压应力区深度达到38.2 mm.得到了淬火温度、淬火时间、回火温度和回火时间对踏面上周向残余压应力和踏面下压应力区深度的影响规律,其中回火温度对踏面上的残余应力影响最大.
参考文献
[1] | EN 13262.EN 13262.Railway Applications-Wheelsets and Bogies-WheelsProduct Requirements[S]. |
[2] | Gür C H;Tekkaya A E .Numerical Investigation of NonHomogeneous Plastic Deformation in Quenching Process[J].Materials Science and Engineering,2001,319-321A(12):164-169. |
[3] | A.M.S. Hamouda;S. Sulaiman;C.K. Lau .Finite element analysis on the effect of workpiece geometry on the quenching of ST50 steel[J].Journal of Materials Processing Technology,2001(1/3):354-360. |
[4] | 蒋昱,曾攀,娄路亮.26Cr2Ni4MoV钢淬火过程的三场耦合数值模拟[J].哈尔滨工业大学学报,2002(03):302-307. |
[5] | 顾剑锋;潘健生;胡明娟 等.9Cr2Mo冷轧辊加热过程的模拟[J].金属学报,1999,35(12):1266-1270. |
[6] | 刘庄;吴肇基;吴景之.热处理过程的数值模拟[M].北京:科学出版社,1996 |
[7] | Gordon J;Perlaman A B.Estimation of Residual Stress in Railroad Commuter Car Wheels Following Manufacture[A].Anaheim,CA:ASME RTD,1998:13-18. |
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