Research Progress of Ductile Removal Mechanism for Hard-brittle Single Crystal Materials

被引：0

作者：

Li C. ^{[1
]}

Zhang F. ^{[1
]}

Zhang X. ^{[1
]}

Rao X. ^{[1
]}

机构：

[1] School of Mechatronics Engineering, Harbin Institute of Technology, Harbin

来源：

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2019年 / 55卷 / 03期

关键词：

Amorphous; Dislocation slip; Ductile removal mechanism; Hard-brittle single crystal materials; Phase transformation; Poly-crystalline nano-crystallites;

D O I：

10.3901/JME.2019.03.181

中图分类号：

学科分类号：

摘要：

In recent years, hard-brittle single crystal materials are wildly used in optics, aerospace, electronics, solid-state laser and other fields due to their high hardness, low density, low thermal expansion coefficient, chemical stability and other characteristics. However, these materials are typical difficult-to-machine materials and brittle-fracture is easily induced in machining process due to their high hardness and low fracture toughness. The ductile-regime machining of hard-brittle single crystal materials has become a hot researching topic in the field of ultra-precision machining. However, the research on ductile removal mechanism of these materials is still in the exploratory stage. The concept of ductile removal for hard-brittle single crystal materials is introduced, the research progress of the ductile removal mechanism for hard-brittle single crystal materials is summarized, the existing problems in the research of ductile removal mechanism of hard-brittle single crystal materials is pointed out, and the future research direction of the ductile removal mechanism for hard-brittle single crystal materials is prospected. © 2019 Journal of Mechanical Engineering.

引用

页码：181 / 190

页数：9

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