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In this study, the plastic flow behaviors of extra deep drawing quality (EDDQ) steel subjected to non-proportional strain paths were investigated. Two-step uniaxial tension tests, in which the first step was performed in the rolling direction (RD) and the subsequent test in different directions in 15° increments from the RD, were conducted. The experiments clearly showed that stress overshooting and strain hardening stagnation were the dominant features, which were captured reasonably well using a recently proposed distortional hardening model.
목차
Abstract
1. 서론
2. 구성 방정식
3. 실험
4. 구성 방정식 계수의 결정
5. 구성 방정식의 검증
6. 결론
참고문헌
참고문헌 (5)
참고문헌 신청
1. [학술지(정기간행물)] - J. L. Chaboche / 1986 / Time-independent Constitutive Theories for Cyclic Plasticity / Int. J. Plast 2 (2) : 149 ~ 188
2. [학술지(정기간행물)] - F. Barlat / 2011 / An Alternative to Kinematic Hardening in Classical Plasticity / Int. J. Plast 27 (9) : 1309 ~ 1327
3. [학술지(정기간행물)] - F. Barlat / 2003 / Plane Stress Yield Function for Aluminum Alloy Sheets - Part 1: Theory / Int. J. Plast 19 (9) : 1297 ~ 1319
4. [학술지(정기간행물)] - J. W. Lee / 2012 / Finite Element Modeling using Homogeneous Anisotropic Hardening and Application to Spring-back Prediction / Int. J. Plast 29 : 13 ~ 41
5. [학술지(정기간행물)] - J. A. Nelder / 1965 / A Simplex Method for Function Minimization / Comput. J 7 (4) : 308 ~ 313
2. [학술지(정기간행물)] - F. Barlat / 2011 / An Alternative to Kinematic Hardening in Classical Plasticity / Int. J. Plast 27 (9) : 1309 ~ 1327
3. [학술지(정기간행물)] - F. Barlat / 2003 / Plane Stress Yield Function for Aluminum Alloy Sheets - Part 1: Theory / Int. J. Plast 19 (9) : 1297 ~ 1319
4. [학술지(정기간행물)] - J. W. Lee / 2012 / Finite Element Modeling using Homogeneous Anisotropic Hardening and Application to Spring-back Prediction / Int. J. Plast 29 : 13 ~ 41
5. [학술지(정기간행물)] - J. A. Nelder / 1965 / A Simplex Method for Function Minimization / Comput. J 7 (4) : 308 ~ 313
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UCI(KEPA) : I410-ECN-0101-2014-551-000257608