第2期 朱超群等：高强TRP钢的动态力学性能 ·193· 件下的强塑积可达到27000MPa·%以上. [5]Bleck W,Schael I.Determination of crash-relevant material pa- (2)对DP钢而言，其抗拉强度随着应变速率 rameters by dynamic tensile tests.Steel Res,2000,71 (5):173 的增大而升高，断裂延伸率则由于绝热温升的作用 [6]Choi D,Bruce D M,Kim S J,et al.Deformation behavior of low carbon TRIP sheet steels at high strain rates.IS/J Int,2002,42 也呈上升趋势：对两种强度级别的TP钢而言，随 (12):1483 着应变速率的增大，其抗拉强度不断增大，断裂延伸 Pychmintsev I,Savral R,Cooman B D,et al.High strain rate be- 率先减小后增大，但由于在动态条件下奥氏体向马 haviour of TRIP-aided automotive steels//International Conference 氏体的渐进式转变受到抑制，所以无法达到其静态 on TRIP-Aided High Strength Ferrous Alloys.Mainz,2002:299 拉伸时的塑性水平. [8]Edmonds D V,Cochrane R C,Structure-property relationships in bainitic steels.Metall Trans A,1990,21 (6):1527 (3)在相同应变速率下测得的TRP钢的绝热 9]Tjahjanto D.Turteltaub S,Suiker A,et al.A micromechanical 温升始终比DP钢高，而这部分高出的热量应当来 study of the deformation behavior of trip-assisted multiphase steels 自于在动态变形条件下TRP钢中发生TRP效应 as a function of the microstructural parameters of the retained aus- 后释放的相变潜热. tenite.Ade Eng Mater,2009,11(3):153 [10]Zaefferer S,Ohlert J,Bleck W.A study of microstructure,trans- formation mechanisms and correlation between microstructure and 参考文献 mechanical properties of a low alloyed TRIP steel.Acta Mater [1]Matlock DK,Speer J G.Third generation of AHSS:microstruc- 2004,52(9):2765 ture design concepts /Microstructure and Texture in Steels and [11]He Z P,He Y L,Ling Y T,et al.Effect of strain rate on de- Other Materials.London,2009:185 formation behavior of TRIP steels.J Mater Process Technol, Matsumura O,Sakuma Y,Takechi H.Enhancement of elongation 2012,212(10):2141 by retained austenite in intercritical annealed 0.4C -1.5Si [12]Sha G Y,Sun X G,Liu T,et al.Deformation localization behav- 0.8Mn steel.Trans Iron Steel Inst Jpn,1987,27 (7):570 ior of the Mg -3.04Li -0.77Sc alloys under high-strain rate. B]Sinha A K.Ferrous Physical Metallurgy.London:Butterworths, Chin J Mater Res,2010,24(6):567 1989 (沙桂英，孙晓光，刘腾，等.Mg3.04Li0.77Sc合金的高应 4]Slycken J V,Verleysen P,Degrieck J,et al.Dynamic response of 变率变形局部化行为.材料研究学报，2010,24(6)：567) Al-TRIP-steel and the constituent phases /Impact Loading of [13]Meyers M A.Dynamic Behavior of Materials.2nd Ed.New Light Structures WIT Transactions on Engineering Sciences.Bel- York:Wiley,1994 gium,2005:535第 2 期 朱超群等: 高强 TＲIP 钢的动态力学性能 件下的强塑积可达到 27000 MPa·% 以上． ( 2) 对 DP 钢而言，其抗拉强度随着应变速率 的增大而升高，断裂延伸率则由于绝热温升的作用 也呈上升趋势; 对两种强度级别的 TＲIP 钢而言，随 着应变速率的增大，其抗拉强度不断增大，断裂延伸 率先减小后增大，但由于在动态条件下奥氏体向马 氏体的渐进式转变受到抑制，所以无法达到其静态 拉伸时的塑性水平． ( 3) 在相同应变速率下测得的 TＲIP 钢的绝热 温升始终比 DP 钢高，而这部分高出的热量应当来 自于在动态变形条件下 TＲIP 钢中发生 TＲIP 效应 后释放的相变潜热． 参 考 文 献 ［1］ Matlock D K，Speer J G． Third generation of AHSS: microstruc￾ture design concepts / / Microstructure and Texture in Steels and Other Materials． London，2009: 185 ［2］ Matsumura O，Sakuma Y，Takechi H． Enhancement of elongation by retained austenite in intercritical annealed 0. 4C － 1. 5Si － 0. 8Mn steel． Trans Iron Steel Inst Jpn，1987，27( 7) : 570 ［3］ Sinha A K． Ferrous Physical Metallurgy． London: Butterworths， 1989 ［4］ Slycken J V，Verleysen P，Degrieck J，et al． Dynamic response of Al-TＲIP-steel and the constituent phases / / Impact Loading of Light Structures WIT Transactions on Engineering Sciences． Bel￾gium，2005: 535 ［5］ Bleck W，Schael I． Determination of crash-relevant material pa￾rameters by dynamic tensile tests． Steel Ｒes，2000，71( 5) : 173 ［6］ Choi D，Bruce D M，Kim S J，et al． Deformation behavior of low carbon TＲIP sheet steels at high strain rates． ISIJ Int，2002，42 ( 12) : 1483 ［7］ Pychmintsev I，Savral Ｒ，Cooman B D，et al． High strain rate be￾haviour of TＲIP-aided automotive steels / / International Conference on TＲIP-Aided High Strength Ferrous Alloys． Mainz，2002: 299 ［8］ Edmonds D V，Cochrane Ｒ C，Structure-property relationships in bainitic steels． Metall Trans A，1990，21( 6) : 1527 ［9］ Tjahjanto D，Turteltaub S，Suiker A，et al． A micromechanical study of the deformation behavior of trip-assisted multiphase steels as a function of the microstructural parameters of the retained aus￾tenite． Adv Eng Mater，2009，11( 3) : 153 ［10］ Zaefferer S，Ohlert J，Bleck W． A study of microstructure，trans￾formation mechanisms and correlation between microstructure and mechanical properties of a low alloyed TＲIP steel． Acta Mater， 2004，52( 9) : 2765 ［11］ He Z P，He Y L，Ling Y T，et al． Effect of strain rate on de￾formation behavior of TＲIP steels． J Mater Process Technol， 2012，212( 10) : 2141 ［12］ Sha G Y，Sun X G，Liu T，et al． Deformation localization behav￾ior of the Mg － 3. 04Li － 0. 77Sc alloys under high-strain rate． Chin J Mater Ｒes，2010，24( 6) : 567 ( 沙桂英，孙晓光，刘腾，等． Mg--3. 04Li--0. 77Sc 合金的高应 变率变形局部化行为． 材料研究学报，2010，24( 6) : 567) ［13］ Meyers M A． Dynamic Behavior of Materials． 2nd Ed． New York: Wiley，1994 · 391 ·