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

页码：121 / 127

页数：7

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