| 金刚石-cBN-硬质合金复合柱齿的理论分析 |
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| 引用本文： | 马保松,张祖培.金刚石-cBN-硬质合金复合柱齿的理论分析[J].地球科学,2000,25(3):329-332. |
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| 作者姓名： | 马保松 张祖培 |
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| 作者单位： | 1.中国地质大学工程学院, 武汉 430074 |
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| 基金项目： | 国土资源部“九五”重点科技攻关项目!(No .95 0 5 40 2-4 ) |
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| 摘 要： | 通过多种分析手段对所研制的金刚石-立方氮化硼(cBN) -硬质合金超硬复合柱齿进行了深入的研究分析, 得出了由于B的烧结促进和强化作用、Ni-P的活化烧结作用以及cBN加入, 大大提高了超硬复合柱齿的性能, 同时还分析指出, 在金刚石与基体合金之间存在过渡区, 该过渡区能有效地保护金刚石免受高温损伤, 另外, 该过渡区还大大增强了基体与金刚石之间的结合强度.
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| 关 键 词： | 金刚石 立方氮化硼(cBN) 硬质合金 复合柱齿 活化烧结 机理分析 |
| 收稿时间： | 1999-11-22 |
THEORETICAL ANALYSIS OF COMPOSITE BUTTON COMPOSED OF DIAMOND cBN AND TUNGSTEN CARBIDE |
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| Ma Baosong,Zhang Zupei.THEORETICAL ANALYSIS OF COMPOSITE BUTTON COMPOSED OF DIAMOND cBN AND TUNGSTEN CARBIDE[J].Earth Science-Journal of China University of Geosciences,2000,25(3):329-332. |
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| Authors: | Ma Baosong Zhang Zupei |
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| Institution: | Ma Baosong 1 Zhang Zupei 2 |
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| Abstract: | This paper presents a new type of composite button composed of diamond and cubic boron nitride_enhanced tungsten carbide. The working properties such as hardness, bending strength, and abrasion ratio of this type of composite button increases by a large margin because of the integration of the boron_sintering promotion and enhancement, the Ni_P activation sintering, and the addition of cubic boron nitride. In addition, a transitional zone between diamond particles and matrix alloy can effectively prevent the carbon atoms of the diamond surface from diffusion, a key element to protect diamond from deformation and damage at a high temperature. Furthermore, this transitional zone increases greatly the bonding strength between diamond and matrix alloy. |
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| Keywords: | diamond cubic boron nitride (cBN) tungsten carbide composite button activation sintering mechanic analysis |
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