基于磁流变弹性体的复杂曲面构件柔性成形关键技术  

Key Technology of Precision Forming of Complex Surface Components Based on Magnetorheological Elastomer

作　　者：杨秋成 吴聪 胡胜寒 李涛[1,2] 李明 李昊 陈浩 秦瑶[1,2] 徐勇 郭训忠 YANG Qiu-cheng;WU Cong;HU Sheng-han;LI Tao;LI Ming;LI Hao;CHEN Hao;QIN Yao;XU Yong;GUO Xun-zhong(College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 211100,China;Jiangsu Key Laboratory of Nuclear Energy Equipment Materials Engineering,Nanjing 211100,China;Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China)

机构地区：[1]南京航空航天大学材料加工工程系,南京211100 [2]江苏省核能装备材料工程实验室,南京211100 [3]中国科学院金属研究所,沈阳110016

出　　处：《精密成形工程》2019年第6期161-169,共9页Journal of Netshape Forming Engineering

基　　金：江苏省重点研发计划(BE2019007-2);装备预研领域基金(61409230406)

摘　　要：磁流变弹性体作为一种可以有效感应磁场作用、弹性模量可控的先进智能材料,在航空航天制造工程领域具有重要的应用前景。首先分析了基于磁流变成形介质的复杂曲面板材及管材构件的基本成形机理。另外阐述了磁流变弹性体的研究进展,包括其制备工艺、性能以及柔性介质压力成形工艺。最后,基于磁流变弹性体的复杂曲面构件精密成形关键技术,从弹性体制备、磁场搭建及加载路径控制、磁固耦合条件的工艺仿真以及成形缺陷调控等方面分析了该技术的可行性。Magnetorheological elastomer, as an advanced intelligent material with the elastic modulus effectively controlled by magnetic field, has important application prospects in aerospace manufacturing engineering. In this paper, firstly, the basic forming mechanism of complex curved plate and tube components based on magnetorheological forming medium was analyzed. In addition, the research progress of magnetorheological elastomers, including its preparation, properties and flexible medium pressure forming process, was described. Finally, based on the key technology of precise forming of complex curved surface components of magnetorheological elastomer, the feasibility of this technology was analyzed from the preparation of elastomer, the construction of magnetic field and the control of loading path, the process simulation of magneto-solid coupling conditions and the control of forming defects.

关 键 词：磁流变弹性体 复杂曲面构件 加载路径 磁固耦合 缺陷调控 

分 类 号：TG386[金属学及工艺—金属压力加工]