| 纳米铜对粉末冶金渗碳齿轮件组织与性能影响 |
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| 引用本文： | 张晓宇,吴迪,季长涛,吴化,刘云旭. 纳米铜对粉末冶金渗碳齿轮件组织与性能影响[J]. 哈尔滨理工大学学报, 2010, 15(5): 10-13 |
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| 作者姓名： | 张晓宇 吴迪 季长涛 吴化 刘云旭 |
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| 作者单位： | 东北大学轧制技术及连轧自动化国家重点实验室;长春工业大学先进结构材料省部共建教育部重点实验室; |
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| 摘 要： | 将质量分数为为3%的纳米Cu与一定比例的Cr、Mn、Ti粉末与Fe基体粉末通过高能球磨机均匀混合,经过压制成形、烧结和渗碳处理过程,制成粉末冶金块体材料.用扫描电子显微镜和透射电子显微镜进行组织结构分析,并与传统20CrMnTi汽车齿轮制品进行性能的对比分析.结果表明:少量的纳米Cu在Fe基颗粒界面上通过扩散、熔解,促进了Fe基颗粒的有效连接和传质扩散,在Fe基颗粒界面形成Cu相;添加少量纳米Cu可以显著降低粉末冶金加工时的烧结温度,同时制成的20CrMnTi粉末冶金制品在性能上也更具有优势.
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| 关 键 词： | 粉末冶金 渗碳 齿轮 组织 性能 |
Effects of Nano-copper on the Microstructure and Property of Carburized Gear Made by Powder Metallurgy |
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| ZHANG Xiao-yu,WU Di,JI Chang-tao,WU Hua,LIU Yun-xu. Effects of Nano-copper on the Microstructure and Property of Carburized Gear Made by Powder Metallurgy[J]. Journal of Harbin University of Science and Technology, 2010, 15(5): 10-13 |
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| Authors: | ZHANG Xiao-yu WU Di JI Chang-tao WU Hua LIU Yun-xu |
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| Affiliation: | ZHANG Xiao-yu1,2,WU Di1,JI Chang-tao2,WU Hua2,LIU Yun-xu2(1.Stake Key Laboratory of Rolling Technology and Successive Rolling Automation,Northeastern University,Shenyang 110004,China,2.Key Laboratory of Advanced Structrural Materials,Ministry of Education,Changchun University of Technology,Changchun 130012,China) |
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| Abstract: | 3.0 wt% nano-meter Cu powder was added into the mixed powders consisting of Cr,Mn and Ti powders and Fe-based powder and the mixture was milled to blend evenly on a high-energy milling machine and was pressure synthesized to shape and then sintered and carbonized in sequence.The microstructures of the powder metallurgically manufactured gears were observed by a scanning electron microscope and a transmission electron microscope;the properties of it are analyzed in comparison with a conventionally manufactur... |
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| Keywords: | powder metallurgy P/M carbonization gear microstructure property |
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