Comparative Evaluation of Plasticity Theories Against Tension-Torsion Test at Finite Strainby Ali H. Al-Gadhib, King Fudh Univ of Petroleum and, Minerals, Dharan, Saudi Arabia,
Kerry S. Havner, King Fudh Univ of Petroleum and, Minerals, Dharan, Saudi Arabia,
Abstract: This paper investigates and evaluates three hardening theories against a variety of nonproportional loading experiments on tubes made of annealed copper. It was concluded that the isotropic hardening theory provides the most satisfactory predictions as compared with other hardening theories.
Subject Headings: Plasticity | Load factors | Copper (chemical) | Isotropy | Comparative studies | Tension | Strain rates
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