有限元法在金刚石合成中的应用进展

王健康; 李尚升; 宋艳玲; 李露; 于昆鹏; 韩飞; 宿太超; 胡美华; 吴玉敏

doi:10.11858/gywlxb.20180550

有限元法在金刚石合成中的应用进展

doi: 10.11858/gywlxb.20180550

河南理工大学材料科学与工程学院，河南焦作　454000

基金项目: 河南省自然科学基金（182300410279）；河南省科技攻关项目（182102210311，172102210283）；河南理工大学材料工程专业学位研究生专业实践示范基地（2016YJD03）

详细信息

作者简介:
王健康（1992－），男，硕士研究生，主要从事金刚石大单晶合成研究. E-mail：527719003@qq.com

通讯作者:
李尚升（1966－），男，博士，副教授，主要从事单晶金刚石研究. E-mail： lishsh@hpu.edu.cn

中图分类号: O521.1; TB34
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出版历程
- 收稿日期: 2018-05-02
- 修回日期: 2018-05-28

Progress in the Application of Finite Element Method in Synthetic Diamonds

School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China

摘要

摘要: 金刚石以其优异的性能广泛应用于国防工程、机械加工、电子科技等领域，其需求量也日益增大。有限元法适用于复杂几何结构和物理问题的模拟分析，由此开辟了有限元法应用于金刚石合成和相应设备优化的新途径。阐述了有限元方法在六面顶压机及金刚石合成腔体工艺方面的应用进展。首先，考虑静力、应力强度、应力分布和形变等影响因素，对铰链梁和工作缸进行模拟分析，运用有限元法对顶锤的作用、破坏机理及新型顶锤设计进行探讨；其次，总结有限元法在金刚石腔体内的温度场、压力场、电学场等研究中的应用进展；最后，对有限元法在金刚石合成中的应用前景进行展望。
- 有限元法 /
- 高温高压 /
- 金刚石 /
- 顶锤
Abstract: Diamonds with excellent performances were used widely in national defense construction, mechanical processing, electronic science and technology, and so on. The demand for diamonds at home and abroad is also increasing. Finite element method (FEM) is suitable for simulation analysis of complex geometric structure and physical problems. FEM is applied to the optimization of synthetic technology and corresponding device for diamond. In this paper, the application progress of FEM in the apparatus of high pressure and the chamber of diamond synthesis are reviewed. Firstly, hinge beam and working cylinder are simulated and analyzed by considering facts such as static forces, stress strength, stress distribution, and deformation. Also, the mechanism of the action, the damage, and the new design for anvil were simulated and analyzed by FEM. Secondly, it is summarized that the application progress of diamond chamber with temperature field, pressure field, and electrical field, etc. is simulated and analyzed using FEM. Finally, the application prospect of FEM in diamond synthesis is forecasted.
- finite element method /
- high temperature and high pressure /
- diamond /
- anvil

HTML全文

图 1 铰链梁设计变量^[15]

Figure 1. Design parameters of hinge beam^[15]

下载: 全尺寸图片幻灯片

图 2 碳化钨顶锤工程图^[27]

Figure 2. Engineering drawing for the WC anvil^[27]

下载: 全尺寸图片幻灯片

图 3 锤面温度分别为150、220和300 ℃的热平衡状态下的顶锤温度分布^[32]

Figure 3. Temperature distributions on the anvil under thermal equilibrium state when the initial temperatures of the anvil are (a) 150, (b) 220 and (c) 300 ℃, respectively^[32]

下载: 全尺寸图片幻灯片

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