This paper is concerned with a test method that can be used to investigate the parameters of the Johnson-Cook constitutive model. These parameters are essential for accurately analyzing material behavior under impact loading conditions in numerical simulation. Ti-6Al-4V alloy (HCP crytal structure) was used as a specimen for the experiments. In the 10−3-103/ s strain rate range, three types of experimental methods (convention, compression and tension) were employed to compare the differences using MTS-810, SHPB and SHTB. Finite element analysis results when applying these parameters were displayed along with the experiment results.

• 우상현(과학기술연합대학원대학교 무기체계공학과 국방과학연구소 제4기술연구본부) | Sang-Hyun Woo
• 이창수(국방과학연구소 제4기술연구본부) | Chang-Soo Lee
• 박이주(과학기술연합대학원대학교 무기체계공학과 국방과학연구소 제4기술연구본부) | Lee-Ju Park Corresponding author