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Forming Characteristics of Nano-Precipitation Strengthened Cold-Rolled Batch Annealed HSLA Sheet Steels (>490MPa Yield Strength) Big River Steel
- Format:
- Book
- Conference/Event
- Author/Creator:
- Biswas, Siddhartha, author.
- Conference Name:
- WCX SAE World Congress Experience (2023-04-18 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2023
- Summary:
- A low carbon Ti-microalloyed chemistry was selected for the development of family of cold-rolled and batch-annealed high-strength high-formable steels through EAF-LMF-CSP route. A clean steel practice combined with a suitable choice of hot rolling and batch annealing practice were optimized to retain precipitate strengthening in the final fully processed steel and microstructural attributes that resulted in superior forming characteristics. The enhanced balance of strength and formability (hole expansion ratio values of 70-100% for thicknesses of 0.80-1.20 mm and tensile strength ranging from 571-709 MPa) attributed to the optimization of the microstructure through controlled recrystallization and grain growth. In this article, production strategy and formability characterization of high-strength low-alloy steels with minimum yield strength of 490 MPa will be discussed, and results will be presented
- Notes:
- Vendor supplied data
- Publisher Number:
- 2023-01-0612
- Access Restriction:
- Restricted for use by site license
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