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用片状粉末冶金铁基金刚石催化剂合成金刚石

Synthetic Diamond lest with Sheeted Iron-base Catalyst Made by Power Metallurgy

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【作者】 李和胜李木森公志光许斌

【Author】 LI He-sheng, LI Mu-sen, GONG Zhi-guang, XU Bin (1. Shandong University, Jinan 250061,China; 2. Shandong Institute of Architecture and Engineering, Jinan 250014, China)

【机构】 山东大学材料科学与工程学院山东建筑工程学院材料科学与工程系 山东济南 250061山东济南 250061山东济南 250014

【摘要】 利用自行研制的片状粉末冶金铁基金刚石催化剂在六面顶压机上进行了金刚石合成试验。结果表明:该催化剂使合成金刚石耗用电流明显降低,并使因“放炮”造成的硬质合金顶锤消耗几乎减少到零;由于铁基催化剂形成的金刚石包覆膜极脆,有望实现合成块的机械式分离,减少电解或酸洗对环境造成的严重污染;同时合成的金刚石晶型好、强度高,可满足工业生产要求。

【Abstract】 The synthetic diamond tests were carried out using a six-anvil high-pressure apparatus and a new sheeted iron-base catalyst made by power metallurgy. That electric current used in the tests reduced within a wide scope. The consumption of the hard alloy anvil caused by explosion was reduced to zero. Due to using the new catalyst, the metallic film surrounding diamond had high brittleness so that the synthetic mass could be separated by mechanical means, which could reduce the environment pollution caused by electrolysis and acid treatment The diamond made in the tests possesses good shape and high intensity so that they can be used in the industrial field.

【关键词】 铁基催化剂金刚石合成
【Key words】 iron-base catalystdiamondsynthesis
【基金】 国家自然科学基金资助项目(50372035;50371048);教育部博士点基金资助项目(20020422035;20040422020)
  • 【文献出处】 机械工程材料 ,Materials for Mechanical Engineering , 编辑部邮箱 ,2006年05期
  • 【分类号】TQ164
  • 【被引频次】4
  • 【下载频次】146
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