| 4J29膨胀合金晶粒长大倾向的研究 |
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| 引用本文： | 燕峰,刘春丽.4J29膨胀合金晶粒长大倾向的研究[J].鞍山科技大学学报,2011(4). |
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| 作者姓名： | 燕峰 刘春丽 |
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| 作者单位： | 辽宁科技大学机械工程与自动化学院; |
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| 摘 要： | 针对在电子器件中常作为密封材料的4J29合金在生产时出现粗大晶粒造成工件开裂问题,采用热处理和单因素优选实验方法研究4J29合金的再结晶温度、预先变形率与晶粒度之间的关系。研究表明,4J29膨胀合金晶粒聚集长大是由大于70%预先变形率所造成。在实际生产中尽可能采用合理的预先变形率可以提高材料的再结晶温度和二次再结晶温度,可以防止合金晶粒聚集长大,从而保证了工件质量和使用性能。
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| 关 键 词： | 4J29 膨胀合金 晶粒度 再结晶温度 预先变形率 |
Study on growth tendency of 4J29 expansion alloy grain |
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| YAN Feng,LIU Chun-li.Study on growth tendency of 4J29 expansion alloy grain[J].Journal of Anshan University of Science and Technology,2011(4). |
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| Authors: | YAN Feng LIU Chun-li |
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| Institution: | YAN Feng,LIU Chun-li(School of Mechanical Engineering,University of Science and Technology Liaoning,Anshan 114051,China) |
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| Abstract: | When producing 4J29 alloy that is used in electronic components as sealing materials,it is possible to get corase grains and cracks in workpieces.Experiments about heat-treatment and single factor optimization method are adopted to research the relationships of recrystallization temperature,beforehand deformation and grain degrees of 4J29 alloy.The test results show that the reasonable beforehand deformation rate could increase the recrystallization temperature and secondary recrystallization temperature,wh... |
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| Keywords: | 4J29 expansion alloy grain size recrystallization temperature beforehand deformation rate |
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