The Effects of Strain Rate and Temperature on the Deformation Behavior of Cold-Rolled TRIP800 Steel

Küçük Resim Yok

Tarih

2012

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

WILEY-V C H VERLAG GMBH

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In the present study, the influences of temperature and strain rate on the deformation behavior of cold-rolled TRIP800 steel were investigated. Microstructural observation and tensile tests were performed and volume fractions of retained austenite were measured at various temperatures and strain rates. The results reveal that both temperature and strain rate affect the volume fractions of retained austenite that transforms into martensite. The strain-induced transformation of retained austenite is retarded with increasing temperature and the retained austenite becomes more stable against straining. The amount of retained austenite that transforms into martensite is not influenced significantly by strain rate. The variation in mechanical properties with temperature and strain rate was related to the effects of dynamic strain aging, tempering of banite, high temperature softening, and the volume fractions of retained austenite.

Açıklama

Anahtar Kelimeler

TRIP800 steel, retained austenite, strain rate, mechanical properties

Kaynak

STEEL RESEARCH INTERNATIONAL

WoS Q Değeri

Q3

Scopus Q Değeri

Q1

Cilt

83

Sayı

8

Künye