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Influence of Plastic Anisotropy and Strain path on strain-induced Phase Transformation of Cobalt
The objective of this paper is to contribute to a better understanding of the deformation mechanisms of a rolled polycrystalline cobalt sheet. In...
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Experimental Investigation on the Anisotropy of Wrought Magnesium Alloy by Complete Evolution of Equivalent Plastic Work Contours in “σxx-σyy” Space
Focusing on non-proportional loading condition during forming process of HCP metals, the equivalent plastic work contours of AZ31 Mg alloy are...
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A Method for Measuring Plastic Strain Ratio Over a Wide Strain Range Using the Digital Image Correlation Technology
Plastic strain ratio, also defined as Lankford coefficient or r-value, is an intrinsic material property in estimating the mechanical anisotropy and...
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The Use of Strain-Induced Martensitic Transformation Phenomena to Estimate the Surface Plastic Strain Produced by Grit Blasting on Overaged 18Ni Maraging Steel
In the present study, strain-induced martensitic transformation has been used to estimate plastic strain resulting from grit-blasting in 18Ni(300)...
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Families of Stress–Strain, Relaxation and Creep Curves Generated by a Nonlinear Model for Thixotropic Viscoelastic-Plastic Media Accounting for Structure Evolution Part 2. Relaxation and Stress-Strain Curves
A systematic analytical study of the mathematical properties of the previously constructed nonlinear model for shear flow of thixotropic...
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Description of Equivalent States of Solids Under Complex Stress-Strain Conditions Based on Nominal Strain Analysis
The paper presents a methodology for determining the complete strain diagrams of materials in a complex stress state using the criteria of...
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Material Parameters in Constitutive Equation for Plastic Deformation at a High Strain Rate Estimated by High-Velocity Microparticle Collisions
Plastic deformation behavior of metallic materials is well known to depend on length and time scales due to dislocation motions of materials, and...
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On the Numerical Assessment of Failure in Stretch-Flanging by SPIF Using Equivalent Strain Versus Triaxiality Diagrams
In the last few years, there has been a growing interest in the sheet metal forming community for analyzing the enhancement of formability attained...
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An Extended Ductile Fracture Prediction Model Considering Strain Rate Effects
This paper presents a rate-dependent extension of Jia-Zang ductile fracture model with five parameters considering void nucleation, growth and...
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Application of Barlat’s Yld 2000-2d Yield Stress Function for Modeling the Anisotropic Plastic Behaviour and the Forming Limit Strain Curve
The objective of present paper is to examine the plastic anisotropy behaviour of steel sheet, employing the Barlat´s Yld 2000-2d yield stress...
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Families of Stress-Strain, Relaxation, and Creep Curves Generated by a Nonlinear Model for Thixotropic Viscoelastic-Plastic Media Accounting for Structure Evolution Part 3. Creep Curves
A systematic analytical study of the mathematical properties of the previously constructed nonlinear model for shear flow of thixotropic...
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Effect of Elastic–Plastic Deformation by Biaxial Tension on the Magnetic Characteristics of Nickel
AbstractThe studies were carried out in a test facility based on the original biaxial testing machine created at the Institute of Engineering Science...
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The Effect of Dynamic Strain Aging on Strengthening of AA5754 Aluminum Alloys: Theoretical and Numerical Approaches
A constitutive model for face-centered cubic structured materials considering the characteristics of dynamic strain aging and its effect on the...
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A New Trial Stress for Newton’s Iteration Based on Plastic Strain Rate Potential
It is known that Newton’s iteration can be divergent for highly anisotropic yield functions with a large strain increment in finite element analysis...
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Experimental and Numerical Analysis of Large Elastic–Plastic Deformation
The capability of numerical approach (cell-based smoothed finite element method) is investigated for the large elastic plastic deformation in the...
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Equivalent-Volume Model: Estimating Contact Morphology of Spherical Indentation for Metallic Materials
In contrast with elastic deflection in instrumented indentation, the accurate estimation of plastic pile-up height around the indenter in metallic...
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Families of Stress-Strain, Relaxation, and Creep Curves Generated by a Nonlinear Model for Thixotropic Viscoelastic-Plastic Media Accounting for Structure Evolution Part 1. The model, Its Basic Properties, Integral Curves, and Phase Portraits
A systematic analytical study of the mathematical properties of the previously constructed nonlinear model of the shear flow of thixotropic...
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Plastic Flow Instability in 304 Austenitic Stainless Steels at Room Temperature
A remarkable plastic flow instability is observed during tensile deformation of the commercial 304 stainless-steel sheet at room temperature. It has...
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Insights into the Mechanical Properties and Correlation Between Strain Path and Crystallographic Texture of the AA2024 Alloy During Severe Plastic Deformation
This study examined mechanical properties of AA2024 alloy and its correlation between strain path and crystallographic texture. Accumulative roll...
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Strain Rate and Notch Radius Effects on Evaluating the Stress–Strain Relations Using the Stepwise Modeling Method
Accurate computer simulations require the selection of suitable material models and precise prediction of their parameters. In the fields of impact...
