Residual stresses in hot bulk formed parts: two-scale approach for austenite-to-martensite phase transformation

In production engineering, current research focuses on the induction of targeted residual stress states in components in order to improve their properties. Therein, the combination of experiment and simulation plays an important role. In this contribution, a focus is laid on the investigation of hot...

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Bibliographic Details
Published in:Archive of applied mechanics (1991) 2021-02, Vol.91 (2), p.545-562
Main Authors: Uebing, Sonja, Brands, Dominik, Scheunemann, Lisa, Schröder, Jörg
Format: Article
Language:English
Subjects:
Alloying
Chromium
Classical Mechanics
Cooling
Engineering
Hot forming
Martensite
Martensitic transformations
Original
Phase transitions
Production engineering
Residual stress
Stress concentration
Theoretical and Applied Mechanics
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Summary:In production engineering, current research focuses on the induction of targeted residual stress states in components in order to improve their properties. Therein, the combination of experiment and simulation plays an important role. In this contribution, a focus is laid on the investigation of hot forming processes with subsequent cooling. A numerical approach is presented to analyze the distribution of residual stresses resulting from cooling of a cylinder with an eccentric hole made of chromium-alloyed steel. The occurring phase transformation, which is evoked by cooling, is considered in order to compute residual stress distributions inside the material.
ISSN:0939-1533
1432-0681
DOI:10.1007/s00419-020-01836-7