Journal
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
Volume 214, Issue 8, Pages 1686-1695Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2014.03.019
Keywords
Stainless clad plate; Roll bond; Interfacial morphology; Shear; Peel
Funding
- National Natural Science Foundation of China [51174250]
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SUS304 stainless steel and plain carbon steel were first bonded by hot rolling in an argon atmosphere and were subsequently hot-rolled by multiple passes in air. Shearing and peeling tests were performed according to appropriate standards to evaluate the bonding results. The interfacial microstructures, composition diffusion and peeling fractographies of the clad plate samples were used to examine the bond quality. The effects of bond parameters on the bond properties of clad plate were studied. The experimental results indicate that the shear strength reaches 266 MPa, and the peel strength is up to 322 N/mm at 1323 K in the first pass, representing a reduction of 24.3%. Both the shear strength and the peel strength increase with increases in bonding temperature and total reduction ratio. The maximum shear strength reaches 361 MPa, and the peel strength is up to 510 N/mm at 1323 K after six passes with a total reduction ratio of 74.8%. Both the dimension and number of interfacial pores decrease rapidly with increasing rolling passes. Multipass hot rolling generates a number of local embedments at the interface and improves the interfacial bonding strength. (C) 2014 Elsevier B.V. All rights reserved.
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