用不同合成体系制备黑色立方氮化硼的研究

杜勇慧; 张铁臣; 张伟森

doi:10.11858/gywlxb.2011.03.008

用不同合成体系制备黑色立方氮化硼的研究

doi: 10.11858/gywlxb.2011.03.008

1.
北华大学物理学院，吉林吉林 132013；
2.
吉林大学超硬材料国家重点实验室，吉林长春 130012

详细信息

通讯作者:
杜勇慧

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出版历程
- 收稿日期: 2010-02-23
- 修回日期: 2010-10-27
- 发布日期: 2011-06-15

The Study on Black cBN Synthesis with Different Systems

1.
School of Physics, Beihua University, Jilin 132013, China;
2.
National Laborary of Superhard Materials, Jilin University, Changchun 130012, China

More Information

Corresponding author: DU Yong-Hui

摘要

摘要: 立方氮化硼（cBN）晶体随颜色的加深，晶体的晶形越完整，晶体尺寸也越大。采用Mg+hBN、LiH+hBN、Li3N+hBN+B和B+Li3N 4种体系分别合成出了黑色的立方氮化硼晶体。通过光学显微镜、X射线衍射、拉曼光谱等测试分析手段，从合成条件、晶体形貌、颗粒度及残余应力等方面对不同体系合成出的黑色cBN晶体作了比较。结果表明，不同体系的合成效果有很大差别。在实际应用中应该根据需要采用不同的体系，以达到最优化合成目的。
- 立方氮化硼 /
- 触媒 /
- 添加剂 /
- 残余应力
Abstract: As well known, cubic boron nitride display more integrated morphology and larger crystal sizes with the color burn. In this paper, black cBN crystals were synthesized in the systems of Mg+hBN, LiH+hBN, Li3N+hBN+B and B+Li3N, respectively. Optical microscope (OM), X-ray diffraction and Raman spectroscopy were used to make a comparison with different black cBN crystals on the aspect of the synthetic condition, crystal morphology, grain size and residual stress. The results showed that the synthesized cBN with the different system exhibited obvious difference. In order to optimize the cBN synthesis, the appropriate system should be chosen according to diverse demands in practical applications.
- cBN /
- catalyst /
- additive /
- residual stress

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参考文献(13)

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