Interface Microstructure and Properties of 304 Austenite Stainless Steel/Low Carbon Steel Clad Plate by Casting and Hot Rolling Process

Abstract:

The 304 austenite stainless steel and low carbon steel clad plate was fabricated by casting and hot rolling process. The mechanical properties and interface shear strength of clad plates with different thickness after rolling were investigated in detail. The microstructure characteristics of the clad interface were observed by SEM (Scanning Electron Microscope). The phases and chemical composition were analyzed by XRD (X-ray diffraction) and EDS (energy dispersive spectroscopy). Based on the results, the mechanical properties and interface shear strengths meet the requirements of national standards. No visible cracks were observed in the clad interface after bending test. Cr₃C₂ precipitates, Fe₃O₄ oxides and Fe-Cr intermetallic compound were distributed around the interface of clad plate after casting, but a good metallurgical bonding was achieved after hot-rolling.

• Periodical: Advanced Materials Research (Volume 852)
• Pages: 178-182
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.852.178
• Online since: January 2014
• Authors: Shuo Li, Di Tang, Hui Bin Wu, Ji Guang Xiong
• Keywords: Bonding Interface, Casting, Clad Plate, Hot Rolling Process, Interface Shear Strength

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