Hot deformation features of AISI403 martensitic stainless steel

The hot compression experiment of AISI403 martensitic stainless steel was carried out by using Gleeble-1500D, and its flow stress was also investigated by means of microstructure analysis.The results show that the dynamic recrystallization of 403 steel occurs obviously at 950-1150 degree C and strai...

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Published inCai liao gong cheng = Journal of materials engineering no. 5; pp. 38 - 43
Main Authors Ma, Long-Teng, Wang, Li-Min, Hu, Jin, Liu, Zheng-Dong, Zhang, Xiu-Li
Format Journal Article
LanguageChinese
Published 01.05.2013
Subjects
Deformation
Dynamic recrystallization
Flow stress
Hot pressing
Martensitic stainless steels
Materials engineering
Steels
Yield strength
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Summary:The hot compression experiment of AISI403 martensitic stainless steel was carried out by using Gleeble-1500D, and its flow stress was also investigated by means of microstructure analysis.The results show that the dynamic recrystallization of 403 steel occurs obviously at 950-1150 degree C and strain rate from 0.01s(-1) to 0.1s(-1).The flow stress of 403 steel can be described well by a Zener-Hollomon parameter in the hyperbolic logarithm type equation.The regressed peak stress expression sigma (P) and the hot deformation activation energy Q of 403 steel during hot compression were concluded. Through the establishment of hot processing map, the best hot compression condition and the instability zones of flow behavior were acquired.
Bibliography:ObjectType-Article-2
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content type line 23
ISSN:1001-4381
DOI:10.3969/j.issn.1001-4381.2013.05.008