Grain size dependent mechanical behavior and TRIP effect in a metastable austenitic stainless steel

MJ Sohrabi, H Mirzadeh, S Sadeghpour… - International Journal of …, 2023 - Elsevier
The change in the trends of mechanical behavior and martensite formation of austenitic
steels versus grain size has not yet been explained for the coarse-grained regime …

Simultaneous enhancement of strength and ductility in a NiCoCrFe high-entropy alloy upon dynamic tension: Micromechanism and constitutive modeling

TW Zhang, SG Ma, D Zhao, YC Wu, Y Zhang… - International Journal of …, 2020 - Elsevier
The deformation responses of NiCoCrFe high-entropy alloy (HEA) under quasi-static (1×
10− 4-1× 10− 1/s) and dynamic (1,000–6,000/s) tension were investigated. A good …

Effect of strain rate on ductile fracture initiation in advanced high strength steel sheets: Experiments and modeling

CC Roth, D Mohr - International Journal of Plasticity, 2014 - Elsevier
Low, intermediate and high strain rate tensile experiments are carried out on flat smooth,
notched and central-hole tensile specimens extracted from advanced high strength steel …

Microstructural evolution and strain hardening behavior of a novel two-stage warm rolled ultra-high strength medium Mn steel with heterogeneous structures

Y Zou, H Ding, Y Zhang, Z Tang - International Journal of Plasticity, 2022 - Elsevier
A heterostructured medium Mn steel with duplex phases (ferrite and austenite) and multiple
morphologies (lath-typed and granular) is fabricated by a novel two-stage warm rolling …

Quantification of the effect of transformation-induced geometrically necessary dislocations on the flow-curve modelling of dual-phase steels

A Ramazani, K Mukherjee, A Schwedt… - International Journal of …, 2013 - Elsevier
The current work aims to predict the work-hardening behaviour of dual-phase (DP) steel,
focusing on the effect of transformation-induced geometrically necessary dislocations …

A modified Johnson–Cook model for tensile flow behaviors of 7050-T7451 aluminum alloy at high strain rates

JQ Tan, M Zhan, S Liu, T Huang, J Guo… - Materials Science and …, 2015 - Elsevier
The uniaxial quasi-static and dynamic tensile tests were conducted at different strain rates
(10–3 s− 1, 800 s− 1, 1900 s− 1 and 2900 s− 1) for 7050-T7451 aluminum alloy. Then …

Experimental investigation on a novel medium Mn steel combining transformation-induced plasticity and twinning-induced plasticity effects

BB He, HW Luo, MX Huang - International Journal of Plasticity, 2016 - Elsevier
The additional deep cryogenic treatment process prior to intercritical annealing was
employed to tailor the mechanical stability of austenite grains in a new medium Mn steel. As …

Correlation between 2D and 3D flow curve modelling of DP steels using a microstructure-based RVE approach

A Ramazani, K Mukherjee, H Quade, U Prahl… - Materials Science and …, 2013 - Elsevier
A microstructure-based approach by means of representative volume elements (RVEs) is
employed to evaluate the flow curve of DP steels using virtual tensile tests. Microstructures …

Dynamic compression behavior of TiZrNbV refractory high-entropy alloys upon ultrahigh strain rate loading

K Ren, H Liu, R Ma, S Chen, S Zhang, R Wang… - Journal of Materials …, 2023 - Elsevier
In this study, the dynamic compressive response behavior of a body-centered cubic (BCC)
single-phase TiZrNbV refractory high-entropy alloy (RHEA) was investigated under impact at …

Towards ultra-high strength dual-phase steel with excellent damage tolerance: The effect of martensite volume fraction

L Liu, L Li, Z Liang, M Huang, Z Peng, J Gao… - International Journal of …, 2023 - Elsevier
Abstract Ultra-high strength (> 1 GPa) dual-phase (DP) steels have been extensively
investigated in literature. Yet, the damage tolerance of these DP steels remains mostly …