Nonlinear elastic behaviors of low and high strength steels in unloading and reloading
The elastic moduli of four sheet steels were measured in continuous loading–unloading–
loading (LUL) tests after different amounts of plastic pre-strain. The four materials were a low …
loading (LUL) tests after different amounts of plastic pre-strain. The four materials were a low …
Springback simulation of advanced high strength steels considering nonlinear elastic unloading–reloading behavior
A Ghaei, DE Green, A Aryanpour - Materials & Design, 2015 - Elsevier
The stress–strain response of some materials, such as advanced high strength steels,
during unloading is nonlinear after the material has been loaded into the plastic deformation …
during unloading is nonlinear after the material has been loaded into the plastic deformation …
Variation and consistency of Young's modulus in steel
The mechanically-measured Young's modulus of metals is consistently lower than the
physically measured one, particularly after plastic straining. Furthermore, the nominally …
physically measured one, particularly after plastic straining. Furthermore, the nominally …
Observations on the nonlinear unloading behavior of advanced high strength steels
The unloading behavior was compared for three different steel grades: a dual-phase steel, a
transformation-induced plasticity steel, and a twinning-induced plasticity steel. Steels that …
transformation-induced plasticity steel, and a twinning-induced plasticity steel. Steels that …
Elastic behaviour characterisation of TRIP 700 steel by means of loading–unloading tests
The elastic behaviour of TRIP 700 steel under plastic deformation is analysed. The analysis
is carried out by means of classical tensile test and loading–unloading cyclic tests. These …
is carried out by means of classical tensile test and loading–unloading cyclic tests. These …
Experimental and theoretical plasticity analyses of steel materials deformed under a nonlinear strain path
In this study, the macroscopic mechanical behavior of extra-deep drawing quality (EDDQ)
and transformation-induced plasticity (TRIP1180) steels subjected to nonlinear-strain-path …
and transformation-induced plasticity (TRIP1180) steels subjected to nonlinear-strain-path …
Elastic–plastic behavior of steel sheets under in-plane cyclic tension–compression at large strain
F Yoshida, T Uemori, K Fujiwara - International journal of plasticity, 2002 - Elsevier
Elastic–plastic behavior of two types of steel sheets for press-forming (an aluminum-killed
mild steel and a dual-phase high strength steel of 590MPa ultimate tensile strength) under in …
mild steel and a dual-phase high strength steel of 590MPa ultimate tensile strength) under in …
Effects of microstructure on the variation of the unloading behavior of DP780 steels
The nonlinear unloading behavior of three different commercial dual-phase steels (DP780
grade equivalent) was examined. These steels exhibited small variations in chemical …
grade equivalent) was examined. These steels exhibited small variations in chemical …
The effect of pre-strain on the material behaviour and the Bauschinger effect in the bending of hot rolled and aged steel
E Hemmerich, B Rolfe, PD Hodgson… - Materials Science and …, 2011 - Elsevier
Compression and bend tests were performed on an annealed and aged carbon steel that
had been pre-strained by different amounts. A bending model was developed to analyse the …
had been pre-strained by different amounts. A bending model was developed to analyse the …
Constitutive relation for steels approximating quasi-static and intermediate strain rates at large deformations
JA Rodríguez-Martínez, A Rusinek… - Mechanics Research …, 2009 - Elsevier
In this paper, a new thermo-viscoplastic constitutive relation is proposed to approximate
behaviour of steels for a wide range of strain rates and for large deformations. Two analytical …
behaviour of steels for a wide range of strain rates and for large deformations. Two analytical …