| 无铅易切削石墨黄铜抗脱锌腐蚀性能的正交设计 |
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| 引用本文： | 李顺,彭韬,张仲灵,黄劲松.无铅易切削石墨黄铜抗脱锌腐蚀性能的正交设计[J].粉末冶金材料科学与工程,2012(1):89-94. |
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| 作者姓名： | 李顺 彭韬 张仲灵 黄劲松 |
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| 作者单位： | 中南大学粉末冶金国家重点实验室;湖南特力新材料有限公司 |
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| 基金项目： | 大学生创新实验计划项目(LA09007) |
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| 摘 要： | 采用粉末冶金方法,制备以石墨代替铅元素的环保型易切削黄铜。利用正交实验法,分析石墨粒度、石墨含量、烧结温度以及烧结时间对无铅易切削黄铜的抗脱锌腐蚀性能的影响。试验表明:烧结温度对无铅易切削黄铜抗脱锌腐蚀性能的影响最大,烧结时间次之。含0.1%的粒度为1.5μm石墨的易切削黄铜,在865℃下保温60 min,其脱锌腐蚀深度最小,抗脱锌腐蚀性能最佳。
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| 关 键 词： | 无铅 易切削 黄铜 正交设计 脱锌腐蚀 |
Orthogonal analysis on dezincification corrosion resistance of unlead free cutting graphite brass |
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| LI Shun,PENG Tao,ZHANG Zhong-ling,HUANG Jin-song.Orthogonal analysis on dezincification corrosion resistance of unlead free cutting graphite brass[J].materials science and engineering of powder metallurgy,2012(1):89-94. |
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| Authors: | LI Shun PENG Tao ZHANG Zhong-ling HUANG Jin-song |
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| Affiliation: | 1.State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China; 2.Hunan Terry New Material Company,Yiyang 413000,China) |
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| Abstract: | A new environmental friendly free cutting brass containing graphite instead of lead was produced by powder metallurgy method.The effects of graphite granularity,graphite content,sintering temperature and sintering time on dezincification of unlead free cutting graphite brass were investigated by orthogonal analysis.The results show that sintering temperature has the biggest effect on corrosion resistance property,and sintering time has a bigger effect.The graphite brass made from 1.5 μm graphite granularity,0.1% graphite content,865 ℃ sintering temperature and 60 min sintering time has the smallest dezincification corrosion depth and the best corrosion resistance property. |
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| Keywords: | unlead free cutting graphite brass orthogonal analysis dezincification |
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