Variational foundations and generalized unified theory of RVE-based multiscale models

PJ Blanco, PJ Sánchez, EA de Souza Neto… - … Methods in Engineering, 2016 - Springer
A unified variational theory is proposed for a general class of multiscale models based on
the concept of Representative Volume Element. The entire theory lies on three fundamental …

Deformation microstructure and deformation-induced martensite in austenitic Fe-Cr-Ni alloys depending on stacking fault energy

YE Tian, OI Gorbatov, A Borgenstam, AV Ruban… - … materials transactions A, 2017 - Springer
The deformation microstructure of austenitic Fe-18Cr-(10-12) Ni (wt pct) alloys with low
stacking fault energies, estimated by first-principles calculations, was investigated after cold …

[HTML][HTML] Metastable austenite driven work-hardening behaviour in a TRIP-assisted dual phase steel

BL Ennis, E Jimenez-Melero, EH Atzema… - International Journal of …, 2017 - Elsevier
The mechanically-induced transformation behaviour of the metastable austenite phase in a
high-strength industrial TRIP-assisted Dual Phase steel was monitored in situ using high …

The investigation of strain-induced martensite reverse transformation in AISI 304 austenitic stainless steel

G Cios, T Tokarski, A Żywczak, R Dziurka… - … Materials Transactions A, 2017 - Springer
This paper presents a comprehensive study on the strain-induced martensitic transformation
and reversion transformation of the strain-induced martensite in AISI 304 stainless steel …

Evaluation of strain-induced martensite formation and mechanical properties in N-alloyed austenitic stainless steels by in situ tensile tests

C Quitzke, C Schröder, C Ullrich, M Mandel… - Materials Science and …, 2021 - Elsevier
In this study, the influence of various nitrogen contents (0.12–0.23 wt.%) on the mechanical
properties, especially the strain-induced α'-martensite formation behavior, of the austenitic …

[HTML][HTML] Efficient constitutive parameter identification through optimisation-based techniques: A comparative analysis and novel composite bayesian optimisation …

RPC Coelho, AFC Alves, FMA Pires - Computer Methods in Applied …, 2024 - Elsevier
In this work, optimisation-based techniques for solving inverse problems are examined and
explored, specifically addressing the challenges posed by expensive-to-evaluate black-box …

Martensite formation in conventional and isothermal tension of 304 austenitic stainless steel measured by X-ray diffraction

NH Moser, TS Gross, YP Korkolis - Metallurgical and Materials …, 2014 - Springer
The temperature above which neither stress nor plastic strain can cause austenite to
transform to martensite is determined for 304 austenitic stainless steel by X-ray diffraction …

[HTML][HTML] A multi-scale model combining martensitic transformations with multi-phase crystallographic slip

RPC Coelho, MV de Carvalho, FMA Pires - Computers & Structures, 2023 - Elsevier
Mechanically induced martensitic transformations are an essential mechanism influencing
the constitutive behaviour of many advanced steel grades, such as austenitic stainless …

Consistent modeling of the coupling between crystallographic slip and martensitic phase transformation for mechanically induced loadings

MV de Carvalho, D de Bortoli… - … Journal for Numerical …, 2022 - Wiley Online Library
A computational framework is proposed to model anisotropic metallic polycrystals subjected
to mechanically induced loadings. It enables the simulation of crystal‐plasticity‐like …

A modified stress-strain relation for austenitic stainless steels at cryogenic temperatures

H Ding, Y Wu, Q Lu, Y Wang, J Zheng, P Xu - Cryogenics, 2019 - Elsevier
Low-temperature stress-strain relation of austenitic stainless steels (ASS) is essential for
understanding the performance of pressure vessel at cryogenic temperatures. This paper …