一种合理的方法来减少WC的体积
Shengxue Wang1, Hao Zhou1, Zhenze Yang1
1State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, Jilin, China.
The Review of scientific instruments
|July 31, 2024
概括
在中国型立方压力机 (CCP) 中,通过降低高度来减少碳化 (WC) 的尺寸是有益的. 然而,减小直径会增加压力,并缩短子的寿命.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 高压物理 高压物理
背景情况:
- 在钻石行业中,中国型立方压力机 (CCP) 的规模越来越大.
- 中央制造商中较大的碳化物 (WC) 面临着烧结质量和操作破裂的挑战.
- 减少WC体积是可取的,但需要仔细考虑几何参数.
研究的目的:
- 研究减少WC尺寸 (直径和高度) 对CCP的应力分布和性能的影响.
- 为优化WC设计提供见解,以减轻操作故障.
主要方法:
- 用有限元模拟来分析不同WC形几何体下的应力模式.
- 这项研究评估了直径和高度减小对WC和钢块米斯应力 (VMS) 的影响.
- 预紧固力和侧面支的变化通过修改干扰适合和钢环角度来评估.
主要成果:
- 减少WC天直径会增加·米塞斯应力 (VMS),减少使用寿命,降低CPC的最终压力.
- 较小的WC天直径显著提高了基础钢块中的VMS,可能超过其产量限制.
- 降低WC的高度会降低合成过程中和基础钢块中的VMS,尽管它减少了横向支.
结论:
- 降低WC的高度是一种更有利的策略,用于减轻压力,并确保较大的中央对手的运营稳定性.
- 优化干扰适合和钢环角可以帮助保持足够的预拉紧力,当WC的高度降低.
- 这些发现为在工业应用中有效减少WC的数量提供了有价值的指导.
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