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Article

The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate

1
The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China
2
Department of Metallurgical, Materials and Biomedical Engineering, University of Texas, El Paso, TX 79968, USA
*
Author to whom correspondence should be addressed.
Materials 2018, 11(9), 1489; https://doi.org/10.3390/ma11091489
Submission received: 13 July 2018 / Revised: 8 August 2018 / Accepted: 15 August 2018 / Published: 21 August 2018

Abstract

In this study, the impact of different surface treatment and degree of vacuum on the interface and mechanical properties of 304/Q345 stainless steel clad plate was investigated. The study indicated that more continuous or aggregated Al2O3 and Si-Mn composite oxides were formed at the interface after brush grinding. However, less inclusions such as Al2O3, MnS and Ca-Mg-Al-Si composite oxides were formed at the interface after pickling treatment. For the vacuum degrees of 10−2 Pa, 1 Pa and 105 Pa, the oxidation reaction became more intense with the decrease in vacuum degree. The interface inclusions were gradually changed from Al2O3 and Si-Mn complex oxides to oxide scale and MnCr2O4 spinel oxide. The interfacial bonding strength of stainless steel clad plate was improved with the increase in degree of vacuum. The bonding strength was 55 MPa at vacuum of 105 Pa, but it was 484 MPa at vacuum of 10−2 Pa, which is far greater than that of the national standard, and an excellent performance was obtained.
Keywords: clad plate; vacuum hot rolling; surface treatment; degree of vacuum; interface inclusions clad plate; vacuum hot rolling; surface treatment; degree of vacuum; interface inclusions

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MDPI and ACS Style

Feng, Y.-y.; Yu, H.; Luo, Z.-a.; Xie, G.-m.; Misra, R.D.K. The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate. Materials 2018, 11, 1489. https://doi.org/10.3390/ma11091489

AMA Style

Feng Y-y, Yu H, Luo Z-a, Xie G-m, Misra RDK. The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate. Materials. 2018; 11(9):1489. https://doi.org/10.3390/ma11091489

Chicago/Turabian Style

Feng, Ying-ying, Huan Yu, Zong-an Luo, Guang-ming Xie, and R. D. K. Misra. 2018. "The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate" Materials 11, no. 9: 1489. https://doi.org/10.3390/ma11091489

APA Style

Feng, Y.-y., Yu, H., Luo, Z.-a., Xie, G.-m., & Misra, R. D. K. (2018). The Impact of Surface Treatment and Degree of Vacuum on the Interface and Mechanical Properties of Stainless Steel Clad Plate. Materials, 11(9), 1489. https://doi.org/10.3390/ma11091489

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