| 热模压Nd-Fe-B磁体变形过程及其模拟研究 |
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| 引用本文： | 赵睿,王会杰,李家节,张文臣,赖彬,朱明刚,潘伟.热模压Nd-Fe-B磁体变形过程及其模拟研究[J].功能材料,2011,42(3):512-515. |
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| 作者姓名： | 赵睿 王会杰 李家节 张文臣 赖彬 朱明刚 潘伟 |
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| 作者单位： | 钢铁研究总院功能材料研究所; |
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| 基金项目： | 国家自然科学基金资助项目(50801014,50771035) |
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| 摘 要： | Nd-Fe-B快淬磁粉在真空中热压,继续进行不同变形温度和不同应变率的热模压处理.通过分析不同变形温度下的热变形过程中应力一应变率关系,对热模压Nd-Fe-B磁体的热变形行为进行了研究并由此得到了描述热变形过程的关键参数.为了清楚理解晶粒边界滑移和各向异性晶粒长大在变形过程中所起的作用,利用三维有限元软件(DEFORM...
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| 关 键 词： | Nd-Fe-B磁体 热变形 织构的形成 塑性变形模拟 变形动力学 |
Simulation of hot deformation process for die-upset Nd-Fe-B magnets |
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| ZHAO Rui,WANG Hui-jie,LI Jia-jie,ZHANG Wen-chen,LAI Bin,ZHU Ming-gang,PAN Wei.Simulation of hot deformation process for die-upset Nd-Fe-B magnets[J].Journal of Functional Materials,2011,42(3):512-515. |
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| Authors: | ZHAO Rui WANG Hui-jie LI Jia-jie ZHANG Wen-chen LAI Bin ZHU Ming-gang PAN Wei |
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| Affiliation: | ZHAO Rui,WANG Hui-jie,LI Jia-jie,ZHANG Wen-chen,LAI Bin,ZHU Ming-gang,PAN Wei(Division of Functional Materials,Central Iron and Steel Research Institute,Beijing 100081,China) |
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| Abstract: | Melt-spun powders were hot compacted in vacuum and die-upset forged at different deformation temperature with different strain rates.By analyzing the relationship of stress and strain at different deformation temperature during die-upset forging process,deformation behavior of Nd-Fe-B magnets was studied and parameters for describing plastic deformation were obtained.In order to clearly understand the role of deformation process in grain-boundary sliding and anisotropic grain growth simulations of the die-u... |
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| Keywords: | Nd-Fe-B magnet hot deformation formation of texture plastic deformation simulation deformation kinetics |
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