Scanning process of spark assisted chemical engraving (SACE) on ZrO2 ceramics by constraining discharges to tool electrode end
Scanning process of spark assisted chemical engraving (SACE) on ZrO2 ceramics by constraining discharges to tool electrode end
复制标题
通过将放电限制到工具电极端在 ZrO2 陶瓷上进行火花辅助化学雕刻 (SACE) 的扫描过程
DOI：
10.1016/j.ceramint.2019.09.107
复制
发表时间：
2020-02
影响因子：
5.2
通讯作者：
Yubin Pu
中科院分区：
文献类型：
--
作者：
Bolin Ji;Hao Tong;Junjie Li;Yong Li;Yubin Pu
二氧化锆（ZrO2）是一种应用广泛的陶瓷材料。然而，ZrO2陶瓷的脆性、高硬度和高温回弹性等力学性能使其加工具有挑战性。电火花辅助化学雕刻（SACE）是一种先进的氧化锆陶瓷加工技术，在玻璃加工中也得到了成功的应用。然而，SACE的侧壁容易产生火花放电，这不仅浪费能量，而且影响加工精度。在一组探索性SACE实验中，发现在某些条件下，大百分比的放电发生在工具电极的末端。据信，工具电极端部的尖锐方形边缘大部分有利于端部放电。因此，一个圆柱形的缺口工具电极与尖锐的边缘，以改善放电约束的数量增加，提出了在SACE过程。采用该电极对ZrO2陶瓷进行了SACE扫描实验，结果表明，该电极显著提高了加工效率和加工精度。
Zirconium dioxide (ZrO2) is a ceramic material used in a wide range of applications. However, the mechanical properties of ZrO2ceramics, such as brittleness, high hardness, and high temperature resilience, make it challenging to machine. SACE (spark assisted chemical engraving) is an advanced technology for machining ZrO2ceramics that has also been used successfully in glass machining. However, the sidewall of the SACE tends to generate spark discharges, which not only waste energy but also affect machining accuracy. In a set of exploratory SACE experiments, it was found that a large percentage of discharges occur at the end of the tool electrode under certain conditions. It is believed that the sharp square edge of the tool-electrode end is conducive to the end discharges by large. Therefore, a cylindrical notched tool electrode with an increased number of sharp edges to improve discharge constraint is proposed in the SACE process. SACE scanning experiments were conducted on ZrO2ceramics using the proposed tool electrode and found that it significantly improved machining efficiency and accuracy.
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影响因子：
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作者：
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DOI：
10.1016/j.precisioneng.2014.02.002
发表时间：
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影响因子：
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