运用温控拉伸实验,分析了在-100～200℃范围内变形时形变温度对Fe-20Mn-3Cu-1.3C钢力学性能和形变机理的影响.观察分析了拉伸试样的显微组织,并利用热力学经典模型,估算了温度对孪晶诱发塑性(TWIP)钢层错能的影响.结果表明:随着形变温度的升高,TWIP钢的层错能显著增加,基体中形变孪晶的体积分数逐渐减少,抗拉强度和屈服强度呈下降趋势,而伸长率先升高后降低,塑性变形机制也由孪生为主逐渐转变为以滑移为主.层错能的拟合公式为γSFE =26.73+9.38×10-2T+4.22×10-4 T2-4.47×10-7T3,与滑移相比,孪生可获得更高的应变硬化率,从而使TWIP钢获得高强度和高塑性.
参考文献
| [1] | Grassel O.;Frommeyer G.;Meyer LW.;Kruger L..High strength Fe-Mn-(Al, Si) TRIP/TWIP steels development - properties - application[J].International Journal of Plasticity,200010/11(10/11):1391-1409. |
| [2] | 彭仙;朱定一;胡真明;刘海军;刘龙龙;王明杰.碳含量对Fe-Mn-Cu-C系TWIP钢组织和力学性能的影响[J].钢铁,2013(5):55-61. |
| [3] | Georg FROMMEYER;Udo BRUX;Peter NEUMANN.Supra-Ductile and High-Strength Manganese-TRIP/TWIP Steels for High Energy Absorption Purposes[J].ISIJ International,20033(3):438-446. |
| [4] | O. Grassel;G. Frommeyer.Effect of martensitic phase transformation and deformation twinning on mechanical properties of Fe-Mn-Si-Al steels[J].Materials Science and Technology: MST: A publication of the Institute of Metals,199812(12):1213-1217. |
| [5] | 代永娟;唐荻;米振莉;江海涛;吕建崇.锰元素对TWIP钢层错能和变形机制的影响[J].材料工程,2009(7):39-42. |
| [6] | S. Allain;J.-P. Chateau;O. Bouaziz.A physical model of the twinning-induced plasticity effect in a high manganese austenitic steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20040(0):143-147. |
| [7] | Georg Frommeyer.Microstructures and Mechanical Properties of High-Strength Fe-Mn-Al-C Light-Weight TRIPLEX Steels[J].Steel Research International,20069/10(9/10):626-633. |
| [8] | 代永娟;米振莉;唐荻;江海涛;李慎升.Fe-Mn-C系TWIP钢的组织和性能[J].上海金属,2007(5):132-136. |
| [9] | Sangwon Lee;Jinkyung Kim;Seok-Jae Lee.Effect of Cu addition on the mechanical behavior of austenitic twinning-induced plasticity steel[J].Scripta materialia,201112(12):1073-1076. |
| [10] | Sung-Joon Kim;Chang Gil Lee;Tae-Ho Lee;Chang-Seok Oh.Effect of Cu, Cr and Ni on mechanical properties of 0.15 wt.% C TRIP-aided cold rolled steels[J].Scripta materialia,20035(5):539-544. |
| [11] | 易炜发;朱定一;杨泽斌;林淑梅.铜含量对高碳TWIP钢组织和力学性能的影响[J].钢铁,2011(11):71-76. |
| [12] | 秦小梅;陈礼清;邸洪双;邓伟.变形温度对Fe-23Mn-2Al-0.2C TWIP钢变形机制的影响[J].金属学报,2011(9):1117-1122. |
| [13] | S. Curtze;V.-T. Kuokkala.Dependence of tensile deformation behavior of TWIP steels on stacking fault energy, temperature and strain rate[J].Acta materialia,201015(15):5129-5141. |
| [14] | S. Curtze;V.-T. Kuokkala;A. Oikari.Thermodynamic modeling of the stacking fault energy of austenitic steels[J].Acta materialia,20113(3):1068-1076. |
| [15] | O. Grassel;G. Frommeyer;C. Derder;H. Hofmann.Phase Transformations and Mechanical Properties of Fe-Mn-Si-AI TRIP-Steels[J].Journal de Physique.IV,19975(5):383-388. |
| [16] | Zheng CW;Xiao NM;Li DZ;Li YY.Microstructure prediction of the austenite recrystallization during multi-pass steel strip hot rolling: A cellular automaton modeling[J].Computational Materials Science,20082(2):507-514. |
| [17] | 鲁法云;刘彤妍;杨平;张朋.形变温度对高锰TRIP/TWIP钢拉伸性能和组织的影响[J].武汉科技大学学报（自然科学版）,2012(4):281-288,316. |
| [18] | 王雷;李玉龙;索涛;郭亚洲.航空常用铝合金动态拉伸力学性能探究[J].航空材料学报,2013(4):71-77. |
| [19] | Barbier, D;Gey, N;Allain, S;Bozzolo, N;Humbert, M.Analysis of the tensile behavior of a TWIP steel based on the texture and microstructure evolutions[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,20091/2(1/2):196-206. |
| [20] | 郭鹏程;钱立和;孟江英;张福成.高锰奥氏体TWIP钢的单向拉伸与拉压循环变形行为[J].金属学报,2014(4):415-422. |
| [21] | E.E.Danaf;S.R.Kalidindi.Influence of grain size and stacking-fault energy on deformation twinning in Fcc metals[J].Metallurgical and materials transactions. A, physical metallurgy and materials science,19995(5):1223-1233. |
| [22] | El-Danaf E.;Doherty RD.;Kalidindi SR..Influence of deformation path on the strain hardening behavior and microstructure evolution in low SFE FCC metals[J].International Journal of Plasticity,20019(9):1245-1265. |
| [23] | 米振莉;靖海涛;江海涛;唐荻;吴彦欣.Fe-Mn-Si-Al系和Fe-Mn-C系TWIP钢加工硬化行为[J].北京科技大学学报,2013(4):465-473. |
| [24] | I. Gutierrez-Urrutia;D. Raabe.Grain size effect on strain hardening in twinning-induced plasticity steels[J].Scripta materialia,201212(12):992-996. |
| [25] | Jae-Eun Jin;Young-Kook Lee.Strain hardening behavior of a Fe-18Mn-0.6C-1.5A1 TWIP steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20091/2(1/2):157-161. |
| [26] | 闫世兴;董世运;徐滨士;王玉江;任维彬;方金祥.预热温度对灰铸铁表面激光熔覆镍基涂层组织与性能的影响[J].材料工程,2015(1):30-36. |
| [27] | Kalidindi SR..Modeling the strain hardening response of low SFE FCC alloys[J].International Journal of Plasticity,199812(12):1265-1277. |
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