Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | Materials Science and Technology Conference and Exhibition 2009, MS and T'09 |
| Seiten | 2422-2433 |
| Seitenumfang | 12 |
| Publikationsstatus | Veröffentlicht - 1 Dez. 2009 |
| Veranstaltung | Materials Science and Technology Conference and Exhibition 2009, MS and T'09 - Pittsburgh, PA, USA / Vereinigte Staaten Dauer: 25 Okt. 2009 → 29 Okt. 2009 |
Publikationsreihe
| Name | Materials Science and Technology Conference and Exhibition 2009, MS and T'09 |
|---|---|
| Band | 4 |
Abstract
The hardening of hot-forged components surfaces by means of water-air-sprays to realize controlled cooling is one of the subjects of the collaborational research center 489 at the Leibniz Universität Hannover. Its subproject "simulation for spray cooling" focuses on the interpretation of process parameters and the prognosis of mechanical properties. Within this subproject the development of temperature, microstructure and resulting residual stresses of a cylinder of the AISI 4140 steel during quenching has been numerically calculated recently though tempering due to residual heat had not yet been considered. The thermal relaxation of the residual stresses during the tempering is therefore investigated by an Avrami approach. The Avrami approach is a combined experimental and computational approach, which solves the parameters that describe the tempering process. With these parameters determined, the thermal-metalurgical-mechanical behaviours of cylinders during quenching and following tempering are calculated using the finite element method.
ASJC Scopus Sachgebiete
- Werkstoffwissenschaften (insg.)
- Allgemeine Materialwissenschaften
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Materials Science and Technology Conference and Exhibition 2009, MS and T'09. 2009. S. 2422-2433 (Materials Science and Technology Conference and Exhibition 2009, MS and T'09; Band 4).
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review
}
TY - GEN
T1 - Simulation of microstructure and residual stress development in cylinders of AISI 4140 during quenching by spray cooling and following tempering
AU - Yu, Z.
AU - Nürnberger, F.
AU - Gretzki, T.
AU - Schaper, M.
AU - Bach, Fr W.
PY - 2009/12/1
Y1 - 2009/12/1
N2 - The hardening of hot-forged components surfaces by means of water-air-sprays to realize controlled cooling is one of the subjects of the collaborational research center 489 at the Leibniz Universität Hannover. Its subproject "simulation for spray cooling" focuses on the interpretation of process parameters and the prognosis of mechanical properties. Within this subproject the development of temperature, microstructure and resulting residual stresses of a cylinder of the AISI 4140 steel during quenching has been numerically calculated recently though tempering due to residual heat had not yet been considered. The thermal relaxation of the residual stresses during the tempering is therefore investigated by an Avrami approach. The Avrami approach is a combined experimental and computational approach, which solves the parameters that describe the tempering process. With these parameters determined, the thermal-metalurgical-mechanical behaviours of cylinders during quenching and following tempering are calculated using the finite element method.
AB - The hardening of hot-forged components surfaces by means of water-air-sprays to realize controlled cooling is one of the subjects of the collaborational research center 489 at the Leibniz Universität Hannover. Its subproject "simulation for spray cooling" focuses on the interpretation of process parameters and the prognosis of mechanical properties. Within this subproject the development of temperature, microstructure and resulting residual stresses of a cylinder of the AISI 4140 steel during quenching has been numerically calculated recently though tempering due to residual heat had not yet been considered. The thermal relaxation of the residual stresses during the tempering is therefore investigated by an Avrami approach. The Avrami approach is a combined experimental and computational approach, which solves the parameters that describe the tempering process. With these parameters determined, the thermal-metalurgical-mechanical behaviours of cylinders during quenching and following tempering are calculated using the finite element method.
KW - FEM
KW - Quenching
KW - Residual stress
KW - Self-tempering
KW - Spray
UR - http://www.scopus.com/inward/record.url?scp=77649110611&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:77649110611
SN - 9781615676361
T3 - Materials Science and Technology Conference and Exhibition 2009, MS and T'09
SP - 2422
EP - 2433
BT - Materials Science and Technology Conference and Exhibition 2009, MS and T'09
T2 - Materials Science and Technology Conference and Exhibition 2009, MS and T'09
Y2 - 25 October 2009 through 29 October 2009
ER -