Determination and verification of Johnson-Cook model parameters at high-speed deformation of titanium alloys

被引：44
|
作者：
Buzyurkin, A. E. [1 ]
Gladky, I. L. [2 ]
Kraus, E. I. [1 ]
机构：
[1] RAS, Siberian Branch, Khristianovich Inst Theoret & Appl Mech, Novosibirsk, Russia
[2] Aviadvigatel OJSC, Perm, Russia
来源：
AEROSPACE SCIENCE AND TECHNOLOGY | 2015年 / 45卷
关键词：
Deformation; Fracture; Strain rate; Johnson-Cook model; LS-DYNA; CONTAINMENT; BLADE; SHEAR;
D O I：
10.1016/j.ast.2015.05.001
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Based on the available experimental data, dependences of true stress on true strain under dynamic loading for titanium alloys VT6, OT4, OT4-0 are constructed, and parameters for Johnson-Cook model are determined. Simulation results for deformation and fracture of fan case of aircraft engine at highspeed collision with the fan blade simulator in LS-DYNA software package are presented. (C) 2015 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：121 / 127
页数：7
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