Comparison of different approaches to transformation‐induced plasticity in steel

Some recent developments in modelling of heat-treatment phenomena in steel within the collaborative research centre SFB 570 "Distortion Engineering"Einige aktuelle Entwicklungen in der Modellierung von Phänomenen der Wärmebehandlung beim Stahl im Sonderforschungsbereich SFB 570 "Distortion Engineering"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 "Distortion Engineering" at the Bremen University, Germany. Taking this into account, a survey will be given and some results will be exemplarily presented. This work is the first contribution to the session "Modelling of material behaviour within the CRC Distortion Engineering" of the 3 Bökenheide et al. 2011 [2] deal in detail with the steel qualities 100Cr6 (SAE 52100) and 20MnCr5 (SAE 5120), respectively. Here, more general aspects of the subsequent phenomena are in the focus: Phase transformations (PT) and transformation-induced plasticity (TRIP) during quenching and heating, plastic behaviour of (supercooled) austenite as well as creep during heating and austenitising. The following items will be considered in particular: Experiments and processing strategies for experimental data, model approaches and results for single phenomena of material behaviour. Many assertions have a general character not linked to special steel sorts. We will also address open questions and possible perspectives. IntroductionIt is the aim to present the development of modelling of steel phenomena which are relevant to distortion of work-pieces during heat treatment in the context of the Collaborative Research Centre SFB 570 "Distortion Engineering" at the University of Bremen. The main concept of this long-time research project (started in 2001) is a system-oriented view on distortion. For a comprehensive explanation we refer to [3].

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“…[29,30] and the references therein). In [31], different approaches have been discussed in detail. Here, we focus on some aspects.…”

Section: Transformation-induced Plasticity (Trip)mentioning

confidence: 99%

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

Wolff¹,

Böhm²,

Bökenheide³

et al. 2012

Materialwissenschaft Werkst

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“…[9][10][11][12]), here, the TRIP strain is not only caused by phase changes under constant temperatures and stresses. For further discussion and references we refer to [13].…”

Section: Governing Equationsmentioning

confidence: 99%

“…[9][10][11][12]) has some deficiencies in modeling of such coupled phenomena (cf. [5,7,13]). Therefore, we use a model of material behavior of steel developed in [7] which substantially differs from the Leblond model.…”

Section: Introductionmentioning

confidence: 97%

Implementation of an algorithm for general material behavior of steel taking interaction between plasticity and transformation‐induced plasticity into account

Wolff

Böhm

Mahnken

et al. 2011

Numerical Meth Engineering

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“…There are various suggestions for saturation functions in the literature (cf. for discussion and further references), partially based on experiments, partially derived from theoretical considerations. For

p \in [0, 1]

, they are:

Φ (p) = p (Tanaka), Φ (p) = \frac{1}{2} \{1 + \frac{prefixsin (k (2 p - 1))}{prefixsin (k)}\}, k \in ((] 0, \frac{π}{2}) (Böhm, Wolff, cf. [40]),

Φ (p) = \frac{p}{k - 1} (k - p^{k - 1}), k = \frac{3}{2} (Abrassart), k = 2 (Denis, Desalos), k > 2 (Sjöström).

…”

Section: The Modelmentioning

confidence: 99%

“…There are various suggestions for saturation functions in the literature (cf. [44] for discussion and further references), partially based on experiments, partially derived from theoretical considerations. For p ∈ [0, 1], they are:…”

Section: The Model and Some Specificationsmentioning

confidence: 99%

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

2015

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Comparison of different approaches to transformation‐induced plasticity in steel

Abstract: Transformation-induced plasticity (TRIP) is an important phenomenon of material behaviour of steel. It may lead to distortion of work-pieces.

Cited by 22 publications

References 26 publications

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

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

Implementation of an algorithm for general material behavior of steel taking interaction between plasticity and transformation‐induced plasticity into account

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

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