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Titolo:
Flow stress modeling and warm rolling simulation behavior of two Ti-Nb interstitial-free steels in the ferrite region
Autore:
Huang, C; Hawbolt, EB; Chen, X; Meadowcroft, TR; Matlock, DK;
Indirizzi:
Caterpillar Inc, Struct Syst, Tech Ctr, Peoria, IL 61656 USA Caterpillar Inc Peoria IL USA 61656 Syst, Tech Ctr, Peoria, IL 61656 USA Colorado Sch Mines, Dept Met & Mat Engn, ASPPRC, Golden, CO 80401 USA Colorado Sch Mines Golden CO USA 80401 Engn, ASPPRC, Golden, CO 80401 USA Univ British Columbia, Dept Met & Mat Engn, Vancouver, BC V6T 1Z4, Canada Univ British Columbia Vancouver BC Canada V6T 1Z4 ver, BC V6T 1Z4, Canada Ludwig & Assoc Engn Ltd, Calgary, AB T2G 3K6, Canada Ludwig & Assoc Engn Ltd Calgary AB Canada T2G 3K6 ary, AB T2G 3K6, Canada
Titolo Testata:
ACTA MATERIALIA
fascicolo: 8, volume: 49, anno: 2001,
pagine: 1445 - 1452
SICI:
1359-6454(20010508)49:8<1445:FSMAWR>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
LOW-CARBON STEELS; METALLURGICAL STATE; HOT; STRIP; RECRYSTALLIZATION; DEFORMATION; WORKING;
Keywords:
stress-strain relationship measurement; hot pressing; recrystallization & recovery; dynamic phenomena; steels;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Huang, C Caterpillar Inc, Struct Syst, Tech Ctr, Bldg K,POB 1875, Peoria, IL 61656 USA Caterpillar Inc Bldg K,POB 1875 Peoria IL USA 61656 IL 61656 USA
Citazione:
C. Huang et al., "Flow stress modeling and warm rolling simulation behavior of two Ti-Nb interstitial-free steels in the ferrite region", ACT MATER, 49(8), 2001, pp. 1445-1452

Abstract

Axisymmetric compression tests and compact strip production (CSP) warm rolling simulations were carried out on two commercial Ti-Nb stabilized interstitial-free (IF) steels to investigate their how behavior in the ferrite region. The comparison between the measured and predicted stress curves indicated that dynamic recovery was the dominant softening mechanism during axisymmetric compression deformation. The flow stress curves during CSP-warm rolling simulations indicated that static and dynamic recovery dominated the softening process for early passes and an apparent dynamic recrystallization contributed to the flow stress reductions for the last two passes. The microstructural evolution during the simulation confirmed that the very fine quasi-equiaxed ferrite grains obtained could be explained by apparent dynamic recrystallization, which was assisted by dynamic recovery at high temperature and a reduced Nb solute drag. (C) 2001 Published by Elsevier Science Ltd on behalf of Acta Materialia Inc.

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Documento generato il 28/09/20 alle ore 23:43:04