Investigations into the origins of plastic flow and strain hardening in amorphous glassy polymers

2014 ◽  
Vol 56 ◽  
pp. 139-155 ◽  
Author(s):  
Jatin ◽  
Venkatesan Sudarkodi ◽  
Sumit Basu
Keyword(s):  
Strain Hardening ◽  
Plastic Flow ◽  
Glassy Polymers

Plastic Flow in Oriented Glassy Polymers

1987 ◽  
Author(s):  
Mary C. Boyce ◽  
David M. Parks ◽  
Ali S. Argon
Keyword(s):  
Plastic Flow ◽  
Glassy Polymers

Enhanced Case-II diffusion of diluents into glassy polymers undergoing plastic flow

Polymer ◽  
2001 ◽  
Vol 42 (2) ◽  
pp. 613-621 ◽  
Author(s):  
Q.-Y Zhou ◽  
A.S Argon ◽  
R.E Cohen
Keyword(s):  
Plastic Flow ◽  
Glassy Polymers

Studies on Plastic Flow of Anisotropic Metals

1956 ◽  
Vol 23 (3) ◽  
pp. 444-450
Author(s):  
L. W. Hu
Keyword(s):  
Stress Distribution ◽  
Internal Pressure ◽  
Strain Hardening ◽  
Plane Strain ◽  
Plastic Flow ◽  
Plane Stress ◽  
Biaxial Tension ◽  
Plastic Behavior ◽  
Theory Of Plastic Flow ◽  
Walled Cylinder

Abstract This investigation deals with a study of the plastic behavior of anisotropic metals. By extending Hill’s theory of plastic flow of anisotropic metals, plastic stress-strain relations for anisotropic materials with strain hardening are developed. Applications of these relations are also made to plane-stress and plane-strain problems with anisotropy. The effect of anisotropy on the stress distribution and on the pressure to produce yielding in a thick-walled cylinder under internal pressure is discussed. The influence of anisotropy on the interpretation of conventional biaxial tension-tension and tension-torsion tests is also considered in this study.

Plastic Flow Localization and Strain Hardening of Metals

2019 ◽  
Vol 2019 (4) ◽  
pp. 273-280
Author(s):  
L. B. Zuev ◽  
A. G. Lunev ◽  
S. A. Barannikova ◽  
O. S. Staskevich
Keyword(s):  
Strain Hardening ◽  
Plastic Flow ◽  
Flow Localization ◽  
Plastic Flow Localization

Effects of strain hardenability and strain-rate sensitivity on the plastic flow and deformation homogeneity during equal channel angular pressing

2001 ◽  
Vol 16 (3) ◽  
pp. 856-864 ◽  
Author(s):  
Hyoung Seop Kim ◽  
Sun Ig Hong ◽  
Min Hong Seo
Keyword(s):  
Strain Rate ◽  
Strain Hardening ◽  
Plastic Flow ◽  
Equal Channel Angular Pressing ◽  
Strain Rate Sensitivity ◽  
Rate Sensitivity ◽  
Strain Hardening Exponent ◽  
Angular Pressing ◽  
Deformation Inhomogeneity ◽  
Method Analysis

The effects of strain hardenability and strain rate sensitivity on the plastic flow and deformation inhomogeneity during equal channel angular pressing were studied using a finite element method analysis. In this study, perfect plastic nonhardening and rate-insensitive materials, and rate-sensitive materials were considered. In case of the nonhardening and rate-insensitive materials, the deformed geometry was predicted to be quite uniform and homogeneous. Deformation inhomogeneity developed, however, in materials with finite work-hardening exponent and strain-rate sensitivity. The corner gap formed in strain-hardening materials whereas the upper and lower channel gaps formed in strain-rate-sensitive materials. The deformation inhomogeneity was strongly dependent on the relative effects of strain-hardening exponent and strain-rate sensitivity. The predictions on the deformation inhomogeneity and the formation of corner and channel gaps were compatible with the experimental data published in the literature.

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