IF钢高压扭转过程中不均匀塑变特征的仿真模拟Simulation of heterogeneous plastic deformation characteristics of IF steel during high pressure torsion
张紫涵,宋月鹏,高东升,张红梅,耿晓阳,KIM Hyoung-seop
摘要(Abstract):
采用有限元软件DEFORM-3D对IF钢试样高压扭转过程进行计算机仿真模拟,研究高压扭转试样不均匀塑性变形特征,对硬度和显微组织分布进行研究。结果表明:试样在进行高压扭转两个阶段(压缩、扭转)的过程中,均发生了显著的不均匀塑性变形,在扭转初期阶段,其不均匀变形程度尤其显著;在试样径向,IF钢试样的塑性变形程度从中部到边缘逐步增大;在试样的轴向,试样的塑性变形程度随距试样下表面距离的增加而逐渐减小;硬度分布和显微组织检测结果均验证了模拟结果的可靠性。
关键词(KeyWords): IF钢;高压扭转;计算机数值模拟;不均匀塑性变形
基金项目(Foundation): 山东省现代农业产业技术体系果品产业创新团队资金资助项目(SDAIT-06-12,SDAIT-06-1);; 山东农业大学“双一流”科技创新团队专项资助项目(SYL2017XTTD07);; 国家十三五智能农机装备重点研发计划资助项目(2016YFD0701701);; 山东省重大科技创新工程项目(2018CXGC0209)
作者(Author): 张紫涵,宋月鹏,高东升,张红梅,耿晓阳,KIM Hyoung-seop
DOI: 10.13289/j.issn.1009-6264.2018-0134
参考文献(References):
- [1]Park B H,Um H Y,Kim J G,et al.Large deformation behavior of twin-induced plasticity steels under high-pressure torsion[J].Metals and Materials International,2016,22(6):1003-1008.
- [2]Faraji G,Kim H S.Review of principles and methods of severe plastic deformation for producing ultrafine-grained tubes[J].Metal Science Journal,2016,33(8):905-923.
- [3]宋月鹏,陈苗苗,高东升,等.高压扭转法制备超细晶材料的研究进展[J].热加工工艺,2017,46(3):6-9+12.SONG Yue-peng,CHEN Miao-miao,GAO Dong-sheng,et al.Research progress of ultrafine grained materials prepared by high pressure torsion[J].Hot Working Technology,2017,46(3):6-9+12.
- [4]Jahedi M,Beyerlein I J,Paydar M H,et al.Effects of pressure and number of turns on microstructural homogeneity developed in high-pressure double torsion[J].Metallurgical and Materials Transactions A,2017,48(3):1249-1263.
- [5]Shahmir H,Langdon T G.Characteristics of the allotropic phase transformation in titanium processed by high-pressure torsion using different rotation speeds[J].Materials Science and Engineering A,2016,667(14):293-299.
- [6]谢子令,武晓雷,谢季佳,等.转速对高压扭转Cu试样的组织与性能的影响[J].材料热处理学报,2010,31(11):109-115.XIE Zi-ling,WU Xiao-lei,XIE Ji-jia,et al.Effect of revolution speed on microstructure and microhardness of Cu spencimens subjected to high-pressure torsion[J].Transactions of Materials and Heat Treatment,2010,31(11):109-115.
- [7]Ghosh S,Singh A K,Mula S,et al.Mechanical properties,formability and corrosion resistance of thermomechanically controlled processed Ti-Nb stabilized IF steel[J].Materials Science and Engineering A,2017,684(January,2017):22-36.
- [8]魏兴,刘为,许峰,等.20Cr Mn Ti高压扭转有限元模拟及实验[J].热加工工艺,2010,39(20):12-15.WEI Xing,LIU Wei,XU Feng,et al.FEM and experiment on pie-shaped 20Cr Mn Ti by high-pressure torsion[J].Hot Working Technology,2010,39(20):12-15.
- [9]Song Y P,Wang W K,Gao D S,et al.Hardness and microstructure of interstitial free steels in the early stage of high-pressure torsion[J].Journal of Materials Science,2013,48(13):4698-4704.
- [10]Ito Y,Edalati K,Horita Z.High-pressure torsion of aluminum with ultrahigh purity(99.9999%)and occurrence of inverse HallPetch relationship[J].Materials Science and Engineering A,2017,679:428-434.
- [11]宋月鹏,陈苗苗,徐保岩,等.高压扭转IF钢压缩阶段的不均匀变形[J].材料热处理学报,2017,38(2):105-110.SONG Yue-peng,CHEN Miao-miao,XU Bao-yan,et al.Heterogeneous plastic deformation for HPT IF steel disks during compression stage[J].Transactions of Materials and Heat Treatment,2017,38(2):105-110.
- [12]Lee H J,Han J K,Janakiraman S,et al.Significance of grain refinement on microstructure and mechanical properties of an Al-3%Mg alloy processed by high-pressure torsion[J].Journal of Alloys and Compounds,2016,686:998-1007.
- [13]宋月鹏,张紫涵,高东升,等.无间隙原子钢高压扭转过程中塑性变形的滞后性研究[J].中国科学:技术科学,2018,48(02):154-160.SONG Yue-peng,ZHANG Zi-han,GAO Dong-sheng,et al.Deformation lagging characteristics of IF steel disks in the plastic deformation process of high pressure torsion[J].Sci Sin Tech,2017,48(02):154-160
- [14]Zhilyaev A P,Langdon T G.Using high-pressure torsion for metal processing:Fundamentals and applications[J].Progress in Materials Science,2008,53(6):893-979.
- [15]Wang W K,Song Y P,Gao D S,et al.Experimental and finite element analyses of plastic deformation in the compressive stage of copper in highpressure torsion[J].Rare Metal Materials and Engineering,2013,42(S2):301-304.
- [16]Yoon S C,Nagasekhar A V,Kim H S.Finite element analysis of the bending behavior of a workpiece in equal channel angular pressing[J].Metal Mater Inter,2009,15(2):215-219.
- [17]卢柯,刘学东,胡壮麒.纳米晶体材料的Hall-Petch关系[J].材料研究学报,1994,8(5):385-391.LU Ke,LIU Xue-dong,HU Zhuang-lin.The Hall-Petch relation in nanocrystaline materials[J].Chinese Journal of Materials Research,1994,8(5):385-391.
- [18]Balasubramanian N,Langdon T G.The strength-grain size relationship in ultrafine-grained metals[J].Metallurgical and Materials Transactions A,2016,47(12):5827.
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