New route for fabricating low-carbon ductile martensite to optimize the stretch-flangeability of dual-phase steel

New route for fabricating low-carbon ductile martensite to optimize the stretch-flangeability of dual-phase steel

Traditional cold-rolling dual-phase steel (CR sheet), limited by poor stretch-flangeability as indicated by the hole expansion rate (HER), faces challenges in manufacturing complex automobile parts. To address this, a new type of hot-rolling dual-phase steel with an 800 MPa grade (manufactured by ty...

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Bibliographic Details
Main Authors: Gang Liu, Hongbin Guo, Shuize Wang, Tianci Liao, Honghui Wu, Xinyu Ruan, Yuhe Huang, Xiang Li, Xinping Mao
Format: Article
Language:English
Published: Elsevier 2024-11-01
Series:Journal of Materials Research and Technology
Subjects:
Dual-phase 800 steel
TSCCR process
Phase transformation mechanisms
HDI stress
Hole expansion mechanism
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785424026309
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