SIMULATION OF TENSILE FRACTURE OF GRAPHITE MATERIAL BASED ON THE DAMAGE EVOLUTION MEASURED BY DIGITAL IMAGE CORRELATION

被引：0

作者：

Zhao, Erqiang ^{[1
]}

Wang, Xian ^{[1
]}

Wang, Hongtao ^{[2
]}

Ma, Shaopeng ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Aerosp Engn, Dept Mech, Beijing, Peoples R China

[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing, Peoples R China

来源：

M2D2015: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON MECHANICS AND MATERIALS IN DESIGN | 2015年

关键词：

graphite; damage evolution; tensile fracture; digital image correlation;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Graphite for nuclear application is a typical quasi-brittle material, which is easy to be damaged by the widely distributed micro-cracks when subjects to load. For numerically analysing of the structure made of graphite material, the influences of the damage, i.e., the degradation of the material should be considered. In this paper, a simple but reliable damage evolution method is developed for graphite materials based on four points bending test and digital image correlation method. A simulation model for the fracturing of the graphite structure subject to tensile load is constructed based on the measured damage evolution, and the fracture load of an L-shaped specimen is analysed. The consistence between the simulation and the experimental results verifies the validity of the developed methods.

引用

页码：1659 / 1664

页数：6