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Titolo:
Optimizing continuous annealing of interstitial-free steels for improving deep drawability
Autore:
Juntunen, P; Raabe, D; Karjalainen, P; Kopio, T; Bolle, G;
Indirizzi:
Oulu Univ, Dept Engn Mech, Mat Engn Lab, Oulu, Finland Oulu Univ Oulu Finland niv, Dept Engn Mech, Mat Engn Lab, Oulu, Finland Max Planck Inst Eisenforsch Gmbh, Dept Microstruct, D-40237 Dusseldorf, Germany Max Planck Inst Eisenforsch Gmbh Dusseldorf Germany D-40237 orf, Germany Rautaruukki Steel, Strip Prod, Prod Applicat, Hameenlinna, Finland Rautaruukki Steel Hameenlinna Finland od Applicat, Hameenlinna, Finland
Titolo Testata:
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
fascicolo: 8, volume: 32, anno: 2001,
pagine: 1989 - 1995
SICI:
1073-5623(200108)32:8<1989:OCAOIS>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
AUSTENITIC STAINLESS-STEEL; LOW-CARBON STEEL; ROLLING TEXTURES; BCC METALS; RECRYSTALLIZATION TEXTURES; CRYSTALLOGRAPHIC TEXTURE; STRIP-CAST; IF-STEEL; HOT; SIMULATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
45
Recensione:
Indirizzi per estratti:
Indirizzo: Juntunen, P Oulu Univ, Dept Engn Mech, Mat Engn Lab, Oulu, Finland Oulu Univ Oulu Finland gn Mech, Mat Engn Lab, Oulu, Finland
Citazione:
P. Juntunen et al., "Optimizing continuous annealing of interstitial-free steels for improving deep drawability", MET MAT T A, 32(8), 2001, pp. 1989-1995

Abstract

The crystallographic textures and the resulting plastic anisotropy of fiveinterstitial-free (IF) steels with different carbon equivalents and Nb andTi microalloying content have been investigated. The steels were industrially hot rolled, cold rolled, annealed, and finally hot-dip galvanized. An alternative heat treatment of the cold rolled samples was conducted in laboratory scale using parameters close to those in industry-scale continuous annealing lines. The anisotropy parameters were both measured and predicted on the basis of the measured texture data. The calculated values were corrected by using functions that were fitted to the experimental data. It was found that for a given hot and cold rolling state even minor changes in the annealing conditions can improve the anisotropy parameter (r) over bar by upto 13 pct. Increase in recrystallization texture and improvement of the resulting anisotropy parameters are discussed in terms of partial transformation of ferrite to austenite in the intercritical regime.

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Documento generato il 04/04/20 alle ore 14:49:00