晶体塑性变形机理及其数值模拟方法的研究进展  

Research progress in crystal plasticity deformation mechanisms and their numerical simulation methods

作　　者：赵帅 王素娟[1] ZHAO Shuai;WANG Sujuan(State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment,Guangdong University of Technology,Guangzhou 510006,CHN)

机构地区：[1]广东工业大学精密电子制造技术与装备国家重点实验室,广东广州510006

出　　处：《制造技术与机床》2025年第2期99-107,共9页Manufacturing Technology & Machine Tool

基　　金：国家自然科学基金资助项目“非回转对称表面微透镜阵列超精密铣削精度创成机理与控制方法的研究”(51975128)。

摘　　要：对晶体塑性有限元数值模拟的应用状况进行了研究,描述了晶体塑性理论、晶体塑性变形机理、硬化机制等算法。同时关注了电子背散射衍射(electron backscatter diffraction,EBSD)技术在晶体学织构测量与分析中的应用优势,采用衍射图案准确掌握晶体结构与取向等信息,为晶体塑性有限元数值模拟提供精确的数据输入。因此,对现有的晶体塑性理论、参数获取方式、衍射图像分析方法进行了总结。目前,晶体塑性有限元数值模拟经过大量的检验,证明了该方法在模拟金属塑性变形机理中的有效性,并广泛应用于探究材料塑性变形机理的研究中。依据系统的晶体塑性有限元数值模拟研究框架开展论述,以期全面了解晶体塑性有限元在加工中的研究进展,为高性能材料设计、优化和实际应用提供新的思路。The application of crystal plasticity finite element numerical simulation has been studied,describing algorithms for crystal plasticity theory,crystal plasticity deformation mechanisms,and hardening mechanisms.The advantages of electron backscatter diffraction(EBSD)technology in crystallographic texture measurement and analysis have also been highlighted.By utilizing diffraction patterns,accurate information on crystal structure and orientation can be obtained,providing precise data input for crystal plasticity finite element numerical simulation.Consequently,existing crystal plasticity theories,parameter acquisition methods,and diffraction image analysis methods have been summarized.Currently,extensive verification has proven the effectiveness of this method in simulating metal plastic deformation mechanisms,and it has been widely used in the research of material plastic deformation mechanisms.This discussion is based on a systematic framework for crystal plasticity finite element numerical simulation research,aiming to comprehensively understand the progress of crystal plasticity finite element analysis in processing,and to offer new ideas for the design,optimization,and practical application of high-performance materials.

关 键 词：电子背散射衍射 塑性变形机理 晶体塑性理论 晶体塑性有限元 晶体织构 

分 类 号：TG111.2[金属学及工艺—物理冶金]