The bonding properties and interfacial morphologies of clad plate prepared by multiple passes hot rolling in a protective atmosphere

被引:94
作者
Jing, Yu'an [1 ]
Qin, Yi [1 ]
Zang, Xiaoming [1 ]
Li, Yinghong [1 ]
机构
[1] Univ Sci & Technol Liaoning, Sch Mat Sci & Engn, Anshan 114051, Liaoning, Peoples R China
基金
中国国家自然科学基金;
关键词
Stainless clad plate; Roll bond; Interfacial morphology; Shear; Peel; ALUMINUM;
D O I
10.1016/j.jmatprotec.2014.03.019
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页码:1686 / 1695
页数:10
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