Strain gradient continuum plasticity theories: theoretical, numerical and experimental investigations

GZ Voyiadjis, Y Song - International Journal of Plasticity, 2019 - Elsevier
Over the last three decades, a number of researchers have used the gradient-enhanced
plasticity theory to model the microstructural material behavior, which is not able to be …

On the standards and practices for miniaturized tensile test–A review

P Zheng, R Chen, H Liu, J Chen, Z Zhang, X Liu… - Fusion Engineering and …, 2020 - Elsevier
Abstract Miniaturized Tensile Test (MTT), as an important type of Small Specimen Test
Technology (SSTT), has gained increasing attentions in the nuclear industry and other …

A reformulation of strain gradient plasticity

NA Fleck, JW Hutchinson - Journal of the Mechanics and Physics of Solids, 2001 - Elsevier
A class of phenomenological strain gradient plasticity theories is formulated to
accommodate more than one material length parameter. The objective is a generalization of …

[HTML][HTML] The development of miniature tensile specimens with non-standard aspect and slimness ratios for rapid alloy prototyping processes

L Zhang, W Harrison, MA Yar, SGR Brown… - journal of materials …, 2021 - Elsevier
This work aims to evaluate the use of miniaturized tensile specimen (MTS) to characterise
the mechanical properties of alloys developed through rapid alloy prototyping (RAP), where …

Energy absorption and ductile failure in metal sheets under lateral indentation by a sphere

BC Simonsen, LP Lauridsen - International Journal of Impact Engineering, 2000 - Elsevier
This paper is concerned with the mechanics of lateral indentation of a rigid sphere into a
thin, ductile metal plate. The paper presents a study including experiments, analytical …

Finite strain logarithmic hyperelasto-plasticity with softening: a strongly non-local implicit gradient framework

MGD Geers - Computer Methods in Applied Mechanics and …, 2004 - Elsevier
This paper addresses the extension of a Eulerian logarithmic finite strain hyperelasto-
plasticity model in order to incorporate an isotropic plastic damage variable that leads to …

Influence of specimen thickness with rectangular cross-section on the tensile properties of structural steels

WJ Yuan, ZL Zhang, YJ Su, LJ Qiao, WY Chu - Materials Science and …, 2012 - Elsevier
Specimens with a rectangular cross-section are commonly used to measure the tensile
properties of materials. However, the specimen size may influence the results. In this study …

Fracture prediction in metal sheets

YW Lee - 2005 - dspace.mit.edu
One of the most important failure modes of thin-walled structures is fracture. Fracture is
predominantly tensile in nature and, in most part, is operated by the physical mechanisms of …

A highly accurate methodology for the prediction and correlation of mechanical properties based on the slimness ratio of additively manufactured tensile test …

LS Moura, GD Vittoria, AHG Gabriel… - Journal of Materials …, 2020 - Springer
Additive manufacturing has been established as a process to produce structural and load-
bearing parts, and this process has become attractive to many industries such as medical …

Experimental study on the evolution of necking zones of metallic materials

PD Versaillot, YF Wu, ZL Zhao - International Journal of Mechanical …, 2021 - Elsevier
Localization of plastic strain, also known as necking, is an important failure mechanism of
metals. Although metals are widely used in engineering, it remains unclear how the necking …