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| A novel laminated metal composite with superior interfacial bonding composed of ultrahigh strength maraging steel and 316L stainless steel |
| Le Zhang1,2, Wei Wang1,3, M. Babar Shahzad1, Yi yin Shan1,3, Ke Yang1 |
| 1 Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China; 2 School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China; 3 Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China |
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Abstract A 5-layer laminated metal composite composed of ultrahigh-strength maraging steel and ductile 316L stainless steel was fabricated by hot pressing in vacuum and post-heat treatment. Microstructure characterization on hierarchical structure of the composite before and after heat treatment was made by optical microscopy, scanning electron microscopy and electron back-scattered diffraction technique, respectively. Meanwhile, the difference of mechanical performance on both sides of the interface was characterized by nano-hardness testing. Uniaxial tensile test showed that superior interfacial bonding was achieved due to the micro-‘bite’ structure between the two steels without obvious defects or oxides at the interface and with coordinated deformation of the two components. Thus, a laminated metal composite consisting of two different constituents with extreme difference in strength can be well fabricated.
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| Cite this article: |
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Le Zhang,Wei Wang,M. Babar Shahzad, et al. A novel laminated metal composite with superior interfacial bonding composed of ultrahigh strength maraging steel and 316L stainless steel[J]. Journal of Iron and Steel Research International, 2020, 27(4): 433-439.
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2020, Vol. 27 
