Finite element simulation of ceramics machining

被引：0
|
作者：
Xue J.X. [1 ]
Wu H.B. [2 ]
Sun Q.P. [1 ]
机构：
[1] Laboratory of Digital Machining Technology, Huaiyin Institute of Technology, Huai'an
[2] College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Key Engineering Materials | 2016年 / 693卷
关键词：
Brittle Cracking; Finite Element; Fracture Energy; Smeared Cracking;
D O I：
10.4028/www.scientific.net/KEM.693.775
中图分类号：
学科分类号：
摘要：
The evolution of crack models based on fracture mechanics is reviewed. The brittle cracking model in Abaqucs is used to simulate the machining process of Al2O3. The result shows that it's appropriate to simulate the machining process of ceramics with fracture energy cracking criterion and post-failure constitutive relation in a smeared cracking representation. Although more works are needed in the future to resolve the mesh sensitivity. The material removal mechanism of ceramics is confirmed to be the brittle fracture regime. © 2016 Trans Tech Publications, Switzerland.
引用
收藏
页码：775 / 779
页数：4
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