Multi-phase transformations at large strains–thermodynamic framework and simulation

R Mahnken, M Wolff, A Schneidt, M Böhm - International Journal of …, 2012 - Elsevier
We develop a macroscopic material model for visco-plastic material behavior accompanied
by phase transformations, which are important phenomena in steel production processes …

[HTML][HTML] A multi-mechanism model for cutting simulations combining visco-plastic asymmetry and phase transformation

R Mahnken, M Wolff, C Cheng - International Journal of Solids and …, 2013 - Elsevier
We develop a multi-mechanism model for strainrate-and temperature-dependent
asymmetric plastic material behavior accompanied by phase transformations, which are …

[HTML][HTML] Multi-scale modeling of bainitic phase transformation in multi-variant polycrystalline low alloy steels

R Mahnken, A Schneidt, T Antretter… - International journal of …, 2015 - Elsevier
In this work, we develop a thermodynamically consistent multi-scale model for the material
behavior of a low alloy steel taking elasto-viscoplasticity, heat conduction and phase …

Homogenization based macroscopic model of phase transformations and cyclic plasticity in pearlitic steel

B Andersson, J Ahlström, M Ekh… - Journal of Thermal …, 2022 - Taylor & Francis
In this contribution macroscopic modeling of phase transformations and mechanical
behavior of low alloy steels are developed and investigated. Such modeling is of importance …

Parameter identification for an Armstrong–Frederick hardening law for supercooled austenite of SAE 52100 steel

M Wolff, B Suhr, C Şimşir - Computational materials science, 2010 - Elsevier
The mechanical properties of the supercooled austenite phase are sensitive parameters for
the prediction of distortion of the components during heat treatments as the inelastic …

An implicit algorithm to verify creep and TRIP behavior of steel using uniaxial experiments

M Wolff, M Böhm, S Bökenheide… - ZAMM‐Journal of …, 2012 - Wiley Online Library
Creep is a complex material feature occurring in mechanical structures under moderate
stresses and relatively high temperatures. Transformation‐induced plasticity (TRIP) is a …

Well‐posedness of a thermo‐elasto‐plastic problem with phase transitions in TRIP steels under mixed boundary conditions

S Boettcher, M Böhm, M Wolff - ZAMM‐Journal of Applied …, 2015 - Wiley Online Library
In this paper a model describing thermo‐elasto‐plasticity, phase transitions and
transformation‐induced plasticity (TRIP) is studied. The main objective is the analysis of a …

Comportement d'aciers à transformation de phase austénite-martensite pour la simulation du grenaillage de précontrainte

R Guiheux - 2016 - pastel.hal.science
Le grenaillage de précontrainte est un procédé couramment utilisé dans l'industrie
(automobile, aréonautique,…) pour augmenter la durée de vie des pièces mécaniques et de …

Some recent developments in modelling of heat‐treatment phenomena in steel within the collaborative research centre SFB 570 “Distortion Engineering”

M Wolff, M Böhm, S Bökenheide… - Materialwissenschaft …, 2012 - Wiley Online Library
It is the aim to present some developments in modelling of distortion‐related phenomena
during heat treatment of steel in the context of the Collaborative Research Centre SFB 570 …

Some new extensions to multi-mechanism models for plastic and viscoplastic material behavior under small strains

M Wolff, S Bökenheide, M Böhm - Continuum Mechanics and …, 2016 - Springer
Multi-mechanism models (MM models) have become an important tool for modeling
complex material behavior. In particular, two-mechanism models are used. They are applied …