第12期 董雷等：扩散焊接多层材料淬火过程的有限元分析 ,1233. 场的有限元模拟及组织研究.北京科技大学学报，2006,28 [7]Buchmayr B.Kirkaldy JS.Modeling of the temperature field. (7):630 transformation behavior,hardness and mechanical response of low [3]Liu CC,Xu X J.Liu Z.A FEM modeling of quenching and tem- alloy steels during cooling from the austenite region.Heat Treat. pering and its application in industrial engineering.Finite Flem 1990(8):127 Anal Des,2003,39:1053 [8]刘庄，吴竟之，张毅热处理过程的数值模拟，北京：科学出版 [4]姚新，顾剑锋，胡明娟，等.空心圆柱体GC15钢淬火过程的计 社，1996：113 算机模拟.材料热处理学报，2003,24(1)：78 [9]师昌绪，李恒德，周廉.材料科学与工程手册：北京：化学工业 [5]Entwisle A R.The kinetics of martensite formation in steel.Met- 出版社，2004：6 all Trans,1971(2):2395 [10]刘光启，马连湘，刘杰.化学化工物性数据手册（无机卷），北 [6们]杨全，张真.金属凝固与铸造过程数值模拟浙江：浙江大学 京：化学工业出版社，2005：325 出版社，1996：38 FEM analysis of quenching process for multi-layer diffusion bonding materials DONG Lei,HAN Qingli,LIU Guoquan Materials Science and Engineering School.University of Science and Technology Beijing.Beijing 100083,China ABSTRACI The finite element technique was used to simulate the temperature field and stress field of multi- layer diffusion bonding materials TC4/V/Cu/Ni/GCr15 occurring during oil quenching.The effect of marten- sitic transformation was considered during the simulation.It is shown that stress concentration appears on the adjacent place of interlayer;martensitic transformation in steel layer can alleviate the stress generated in the heat treatment process;the maximal shear stress appears at the edge of Cu layer before the quenching temperature reaching Ms.The reduction in thickness of bearing steel layer can decrease the maximal shear stress in the workpiece,but it cannot eliminate the fundamental source of failure of the workpiece. KEY WORDS multilayer materials;diffusion bonding:quenching stress:finite element analysis:martensitic transformation场的有限元模拟及组织研究．北京科技大学学报‚2006‚28 （7）：630 ［3］ Liu C C‚Xu X J‚Liu Z．A FEM modeling of quenching and tem￾pering and its application in industrial engineering．Finite Elem Anal Des‚2003‚39：1053 ［4］ 姚新‚顾剑锋‚胡明娟‚等．空心圆柱体 GCr15钢淬火过程的计 算机模拟．材料热处理学报‚2003‚24（1）：78 ［5］ Entwisle A R．The kinetics of martensite formation in steel．Met￾all Trans‚1971（2）：2395 ［6］ 杨全‚张真．金属凝固与铸造过程数值模拟．浙江：浙江大学 出版社‚1996：38 ［7］ Buchmayr B‚Kirkaldy J S．Modeling of the temperature field‚ transformation behavior‚hardness and mechanical response of low alloy steels during cooling from the austenite region．Heat Treat‚ 1990（8）：127 ［8］ 刘庄‚吴竟之‚张毅．热处理过程的数值模拟．北京：科学出版 社‚1996：113 ［9］ 师昌绪‚李恒德‚周廉．材料科学与工程手册．北京：化学工业 出版社‚2004：6 ［10］ 刘光启‚马连湘‚刘杰．化学化工物性数据手册（无机卷）．北 京：化学工业出版社‚2005：325 FEM analysis of quenching process for mult-i layer diffusion bonding materials DONG Lei‚HA N Qingli‚LIU Guoquan Materials Science and Engineering School‚University of Science and Technology Beijing‚Beijing100083‚China ABSTRACT The finite element technique was used to simulate the temperature field and stress field of multi￾layer diffusion bonding materials TC4／V／Cu／Ni／GCr15occurring during oil quenching．The effect of marten￾sitic transformation was considered during the simulation．It is shown that stress concentration appears on the adjacent place of interlayer；martensitic transformation in steel layer can alleviate the stress generated in the heat treatment process；the maximal shear stress appears at the edge of Cu layer before the quenching temperature reaching MS．The reduction in thickness of bearing steel layer can decrease the maximal shear stress in the workpiece‚but it cannot eliminate the fundamental source of failure of the workpiece． KEY WORDS multilayer materials；diffusion bonding；quenching stress；finite element analysis；martensitic transformation 第12期 董 雷等： 扩散焊接多层材料淬火过程的有限元分析 ·1233·