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Thermo-mechanical coupled analysis of hot ring rolling process 被引量：5

Thermo-mechanical coupled analysis of hot ring rolling process
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摘要 A 3D rigid-plastic and coupled thermo-mechanical FE model for hot ring rolling(HRR) was developed based on DEFORM 3D software,then coupled heat transferring,material flow and temperature distribution of the ring in HRR were simulated and the effects of process parameters on them were analyzed.The results show that the deformation nonuniformity of ring blank increases with the increase of the rotational speed of driver roll and friction factor or the decrease of the feed rate of idle roll and initial temperature of ring blank.The temperature nonuniformity of ring blank decreases with the increase of the feed rate of idle roll or the decrease of initial temperature of ring blank and friction factor.There is an optimum rotational speed of driver roll under which the temperature distribution of ring blank is the most uniform.The results obtained can provide a guide for forming parameters optimization and quality control. A 3D rigid-plastic and coupled thermo-mechanical FE model for hot ring rolling（HRR） was developed based on DEFORM 3D software, then coupled heat transferring, material flow and temperature distribution of the ring in HRR were simulated and the effects of process parameters on them were analyzed. The results show that the deformation nonuniformity of ring blank increases with the increase of the rotational speed of driver roll and friction factor or the decrease of the feed rate of idle roll and initial temperature of ring blank. The temperature nonuniformity of ring blank decreases with the increase of the feed rate of idle roll or the decrease of initial temperature of ring blank and friction factor. There is an optimum rotational speed of driver roll under which the temperature distribution of ring blank is the most uniform. The results obtained can provide a guide for forming parameters optimization and quality control.
作者 孙志超 杨合 欧新哲
机构地区 College of Materials Science and Engineering
出处 《中国有色金属学会会刊：英文版》 EI CSCD 2008年第5期1216-1222,共7页 Transactions of Nonferrous Metals Society of China
基金 Project(2006AA04Z135) supported by the National Hi-tech Research and Development Program of China Project(50735005) supported by the National Natural Science Foundation of China Project supported by Northwestern Polytechnical University Foundation for Fundamental Research, China
关键词 热轧 温度分布 变形不均匀性 FEM hot ring rolling coupled thermo-mechanical FE model temperature distribution deformation nonuniformity FEM
分类号 TG335.11 [金属学及工艺—金属压力加工]
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参考文献16

  • 1HUA Lin, HUANG Xing-gao, ZHU Chun-dong. Theory and technology of ring rolling [M]. Beijing: Mechanical Industry Press, 2001: 10-20.
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  • 3SONG J L, DOWSON A L, JACOBS M H,BROOKS J, BEDEN I. Coupled thermo-mechanical finite-element modeling of hot ring rolling process [J]. Journal of Materials Processing Technology, 2002, 121: 332-340.
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同被引文献41

引证文献5

二级引证文献19

中国有色金属学会会刊：英文版
2008年 第5期

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