Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 224-228 |
| Seitenumfang | 5 |
| Fachzeitschrift | AIP Conference Proceedings |
| Jahrgang | 1353 |
| Publikationsstatus | Veröffentlicht - 25 Apr. 2011 |
Abstract
Metastable austenitic stainless steels change their lattice during forming operations by strain-induced alpha'-martensite formation. Temperatures below T=20°C can accelerate the phase transformation while temperatures above T=60°C may suppress the formation of martensite during the forming operation. In past investigations, the effect of high-strength martensitic regions in an austenitic ductile lattice was used in crash relevant parts for transportation vehicles. The local martensitic regions act as reinforcements leading to an increase in crash energy absorption. Moreover, they control the folding behavior as well as the force-distance-characteristic and increase the buckling resistance. This paper deals with a concerted thermomechanical drawing process to increase the local formation of alpha'-martensite caused by low temperatures.
ASJC Scopus Sachgebiete
- Physik und Astronomie (insg.)
- Allgemeine Physik und Astronomie
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in: AIP Conference Proceedings, Jahrgang 1353, 25.04.2011, S. 224-228.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Low Temperature Sheet Forming
AU - Voges-Schwieger, Kathrin
AU - Hübner, Sven
AU - Behrens, Bernd Arno
PY - 2011/4/25
Y1 - 2011/4/25
N2 - Metastable austenitic stainless steels change their lattice during forming operations by strain-induced alpha'-martensite formation. Temperatures below T=20°C can accelerate the phase transformation while temperatures above T=60°C may suppress the formation of martensite during the forming operation. In past investigations, the effect of high-strength martensitic regions in an austenitic ductile lattice was used in crash relevant parts for transportation vehicles. The local martensitic regions act as reinforcements leading to an increase in crash energy absorption. Moreover, they control the folding behavior as well as the force-distance-characteristic and increase the buckling resistance. This paper deals with a concerted thermomechanical drawing process to increase the local formation of alpha'-martensite caused by low temperatures.
AB - Metastable austenitic stainless steels change their lattice during forming operations by strain-induced alpha'-martensite formation. Temperatures below T=20°C can accelerate the phase transformation while temperatures above T=60°C may suppress the formation of martensite during the forming operation. In past investigations, the effect of high-strength martensitic regions in an austenitic ductile lattice was used in crash relevant parts for transportation vehicles. The local martensitic regions act as reinforcements leading to an increase in crash energy absorption. Moreover, they control the folding behavior as well as the force-distance-characteristic and increase the buckling resistance. This paper deals with a concerted thermomechanical drawing process to increase the local formation of alpha'-martensite caused by low temperatures.
KW - Alpha'-Martensite Transformation
KW - Low Temperature
KW - Sheet Metal Forming
UR - http://www.scopus.com/inward/record.url?scp=84882749245&partnerID=8YFLogxK
U2 - 10.1063/1.3589519
DO - 10.1063/1.3589519
M3 - Article
AN - SCOPUS:84882749245
VL - 1353
SP - 224
EP - 228
JO - AIP Conference Proceedings
JF - AIP Conference Proceedings
SN - 0094-243X
ER -