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摩擦力在ECAP成形时作用的有限元模拟

Computer Simulation of the Effects of Friction on the Formation of Equal Channel Angular Pressing

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【Author】 QIN Ji-ning~1,JIN Quan~1,ZHANG Di~1,ZHANG Guo-ding~1,LEE Jae-chul~2 (1 The State Key Lab of Metal Matrix Composites,Shanghai Jiaotong University,Shanghai 200030,China;2 Division of Materials Science and Engineering,Korea University,Seoul 136-701,Korea)

【机构】上海交通大学金属基复合材料国家重点实验室；高丽大学材料科学与工程系上海200030；上海200030；首尔136-701韩国；

【摘要】应用有限元方法对一种全新的可应用于板料的等通道角挤压(ECAP)方法中摩擦力的作用进行了有限元模拟。计算模拟结果表明,不同于常规的等通道角挤压中摩擦力的负面影响,在板料等通道角挤压方法中一定的摩擦力和尺寸精确的模具结构却是保证此类等通道角挤压正常进行的关键。更多还原

【Abstract】 Finite element method was carry out to investigated the effects of friction in a novel equal channel angular pressing(ECAP) based procedure which can handles the strip metal ECAP procedure.The simulation results show that the friction plays a decisive role on the present novel ECAP procedure other than the negative friction effect on conventional ECAP process.The adequate friction and strictly controlled channel size are the warranty of a successful performance in this unique ECAP procedure.更多还原

【关键词】等通道角挤压；有限元模拟；摩擦；
【Key words】 equal channel angular pressing(ECAP)； finite element method； friction；

【基金】韩国科学技术评估院(KISTEP);上海市重大基础研究资助项目(04DZ14002)

【文献出处】材料工程 ,Journal of Materials Engineering , 编辑部邮箱 ,2006年02期

【分类号】TG376
【下载频次】200

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