scholarly journals Microstructure transformations in a press hardening steel during tailored thermo‐mechanical processing

2021 ◽  
Author(s):  
Hendrik Westermann ◽  
Alexander Reitz ◽  
Rolf Mahnken ◽  
Mirko Schaper ◽  
Olexandr Grydin
Keyword(s):  
Mechanical Processing ◽  
Press Hardening ◽  
Press Hardening Steel

scholarly journals Characterization of Phase Transformations During Graded Thermo-Mechanical Processing of Press-Hardening Sheet Steel 22MnB5

2020 ◽  
Vol 51 (11) ◽  
pp. 5628-5638
Author(s):  
A. Reitz ◽  
O. Grydin ◽  
M. Schaper
Keyword(s):  
Phase Transformations ◽  
Sheet Steel ◽  
Steel Specimen ◽  
High Strength ◽  
High Energy ◽  
Mechanical Processing ◽  
Press Hardening ◽  
Flat Steel ◽  
High Energy Absorption ◽  
Press Hardening Steel

Abstract Safety-relevant components in automobiles require materials that combine high strength with sufficient residual ductility and high-energy absorption. A graded thermo-mechanical treatment of the press-hardening steel 22MnB5 with graded microstructure can provide a material with such properties. Different austenitization temperatures, cooling and forming conditions within a sheet part lead to the development of microstructures with mixed phase compositions. To determine the resulting phase contents in such graded processed parts, a large number of dilatometric tests are usually required. With a non-contact characterization method, it is possible to detect local phase transformations on an inhomogeneously treated flat steel specimen. For press-hardening steel after heat treatment and thermo-mechanical processing, correlations between austenitization temperature, hot deformation strain, microstructure, and hardness are established.

Influence of vanadium on the hydrogen embrittlement of aluminized ultra-high strength press hardening steel

2018 ◽  
Vol 735 ◽  
pp. 448-455 ◽  
Author(s):  
Lawrence Cho ◽  
Eun Jung Seo ◽  
Dimas H. Sulistiyo ◽  
Kyoung Rae Jo ◽  
Seong Woo Kim ◽  
...  
Keyword(s):  
Hydrogen Embrittlement ◽  
High Strength ◽  
Press Hardening ◽  
Press Hardening Steel

Formability analysis of thin press hardening steel sheets under isothermal and non-isothermal conditions

2016 ◽  
Vol 10 (3) ◽  
pp. 405-419 ◽  
Author(s):  
G. Georgiadis ◽  
A. E. Tekkaya ◽  
P. Weigert ◽  
S. Horneber ◽  
P. Aliaga Kuhnle
Keyword(s):  
Press Hardening ◽  
Isothermal Conditions ◽  
Steel Sheets ◽  
Press Hardening Steel

Microstructure evolution of a 55wt.% Al–Zn coating on press hardening steel during rapid heating

2015 ◽  
Vol 281 ◽  
pp. 35-43 ◽  
Author(s):  
Chang Wook Lee ◽  
Won Seok Choi ◽  
Yeol Rae Cho ◽  
Bruno C. De Cooman
Keyword(s):  
Microstructure Evolution ◽  
Rapid Heating ◽  
Press Hardening ◽  
Press Hardening Steel
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