| 聚晶金刚石复合体复合机理的研究 |
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| 引用本文： | 陈石林,陈启武,彭振斌. 聚晶金刚石复合体复合机理的研究[J]. 金刚石与磨料磨具工程, 2004, 0(2): 44-47 |
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| 作者姓名： | 陈石林 陈启武 彭振斌 |
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| 作者单位： | 中南大学,湖南,长沙,410083;长沙矿冶研究院,湖南,长沙,410012;长沙矿冶研究院,湖南,长沙,410012;中南大学,湖南,长沙,410083 |
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| 基金项目： | 湖南省自然科学基金项目编号:0 0JJY2 0 4 4 |
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| 摘 要： | 本文对超高压合成的PDC，采用SEM、EDS等分析方法研究了：PCD界面结构，分析了粘结相钴扩散规律及聚晶金刚石复合体复合机理。实验结果表明，WC—Co与金刚石界面的结合实际上就是WC-Co-金刚石界面的结合，WC—Co与金刚石界面的结合强度不仅与界面钴含量有关，而且与界面上的钴的组织结构有关：D—D结合区域中的D—D结合界面处钴浓度远低于D-Co—D结合区域的晶粒间界钴的浓度，说明D-D结合区域和D—Co—D结合区域的晶粒间界中钴的存在形式是不同的。
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| 关 键 词： | 聚晶金刚石 界面结构 扩散 复合机理 |
| 文章编号： | 1006-852(2004)02-0044-04 |
| 修稿时间： | 2003-11-24 |
A STUDY ON COMPOUNDING MECHANISM OF POLYCRYSTALLINE DIAMOND COMPACTS |
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| Chen Shilin , Chen Qiwu Peng Zhenbin. A STUDY ON COMPOUNDING MECHANISM OF POLYCRYSTALLINE DIAMOND COMPACTS[J]. Diamond & Abrasives Engineering, 2004, 0(2): 44-47 |
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| Authors: | Chen Shilin Chen Qiwu Peng Zhenbin |
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| Affiliation: | Chen Shilin 1,2 Chen Qiwu 2 Peng Zhenbin 1 |
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| Abstract: | In this paper, the interfacial microstructure of polycrystalline diamond compacts(PDC) are investigated using SEM and WDS The diffusion behavior of colbalt and composite mechanism in PDC are analysed The results showed that the bonding of WC-Co and diamond is in fact the bonding of WC-Co-diamond, the bonding strength of interface is related not only to the content of Colbalt, but also to the interfacial microstructure; the content of Colbalt between the bonding interface of D-D is lower than the content of Colbalt between the bonding interface of D-Co-D, suggesting that the occurring form of Colbalt is different between the bonding interface of D-D and D-Co-D |
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| Keywords: | polycrystalline diamond compacts interfacial microstructure diffusing compounding mechanism |
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