| 超细WC-Co复合粉热压烧结制备亚微米硬质合金 |
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| 引用本文： | 朱启扣,刘文彬,王铁军,宋晓艳. 超细WC-Co复合粉热压烧结制备亚微米硬质合金[J]. 稀有金属与硬质合金, 2012, 0(3): 58-62 |
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| 作者姓名： | 朱启扣 刘文彬 王铁军 宋晓艳 |
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| 作者单位： | 华东粉末冶金厂;安泰科技股份有限公司;北京工业大学 新型功能材料教育部重点实验室 |
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| 摘 要： | 以原位还原所得超细WC-6%Co复合粉为原料,研究了热压烧结制备硬质合金材料的工艺过程,并分析了材料的物理性能及力学性能。结果表明:将平均粒径约300nm的超细WC-Co复合粉在热压炉中于1 370℃烧结1.5h,可得到平均晶粒度为600nm、相对密度99%且具有良好综合力学性能的亚微米WC-Co硬质合金。
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| 关 键 词： | 超细WC-Co复合粉 热压烧结 亚微米硬质合金 力学性能 |
Preparation of Sub-micron Cemented Carbide by Hot-press Sintering of Ultrafine WC-Co Composite Powder |
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| ZHU Qi-kou,LIU Wen-bin,WANG Tie-jun,SONG Xiao-yan. Preparation of Sub-micron Cemented Carbide by Hot-press Sintering of Ultrafine WC-Co Composite Powder[J]. Rare Metals and Cemented Carbides, 2012, 0(3): 58-62 |
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| Authors: | ZHU Qi-kou LIU Wen-bin WANG Tie-jun SONG Xiao-yan |
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| Affiliation: | 1.East China Powder Metallurgy Plant,Ma’anshan 234000,China;2.Advanced Technology & Materials Co.,Ltd(AT&M),Beijing 100018,China;3.Education Ministry Key Laboratory of Advanced Functional Materials,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | Hot-press sintering process for cemented carbide preparation was investigated with ultrafine WC-Co composite powder prepared by in-situ reduction as the raw material.And the physical and mechanical properties of the samples were also analyzed.The results show that after ultrafine WC-Co composite powders with average particle size of about 300 nm,are sintered in hot-pressing furnace at 1 370 ℃ for 1.5 h,sub-micron WC-Co cemented carbide is obtained with average grain size of 600 nm,relative density of 99% and excellent comprehensive mechanical properties. |
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| Keywords: | ultrafine WC-Co composite powder hot-press sintering sub-micron cemented carbide mechanical property |
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