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Effect of Heat Treatment on Microstructure and Properties of Clad Plates 316L/Q370qE

School of Material and Metallurgy University of Science and Technology LiaoNing, Anshan 114051, China
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Materials 2019, 12(9), 1556; https://doi.org/10.3390/ma12091556
Received: 8 April 2019 / Revised: 7 May 2019 / Accepted: 8 May 2019 / Published: 12 May 2019
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Abstract

Mechanical properties of Q370qE carbon steel can be improved by cladding it with 316L stainless steel. After rolling these materials together, microstructure, hardness, shear strength, and corrosion properties of the cladded metals were evaluated. Hardness and shear tests were performed according to appropriate standards to evaluate the bonds. The results show that the remarkable diffusion of Ni and Cr formed a hard transition zone. The width of this diffusion zone increases with increasing temperature. The shear strength of the clad interface reached a minimum of 385 MPa. In addition, the surfaces of samples were examined by neutral salt spray (NSS) tests and potentiodynamic polarization tests to examine corrosion behavior. The 316L side primarily exhibited pitting corrosion, while the Q370qE side was dominated by uniform corrosion. View Full-Text
Keywords: clad plate; microstructure; interface; shear strength; neutral salt spray clad plate; microstructure; interface; shear strength; neutral salt spray
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Wang, Z.; Kang, S.; Xu, M.; Cheng, Y.; Dong, M. Effect of Heat Treatment on Microstructure and Properties of Clad Plates 316L/Q370qE. Materials 2019, 12, 1556.

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