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Microstructure and diffusion kinetics at the bondedFe-16Al/Cr18-Ni8interface

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Summary

Fe-16Al alloy and Cr18-Ni8 austenitic stainless steel were diffusion bonded in a vacuum of 10-4Pa. Microstructure characteristics at the bonded Fe-16Al/Cr18-Ni8 interface were analyzed by scanning electron microscope (SEM) and X-ray diffraction (XRD) technologies. The results indicated that FeAl, Fe3Al, Ni3Al and α-Fe (Al) solid solutions were produced at the bonded Fe-16Al/Cr18-Ni8 interface after diffusion bonding. These phases may accelerate the diffusion and even the formation of the bonded Fe-16Al/Cr18-Ni8 interface. The growth of the interface obeyed the parabolic law and its thickness (X) was expressed by X 2=7.0×10-4exp(-82900/RT)(t-t 0) withtemperature (T) and time (t).

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Authors and Affiliations

  1. Key Lab of Liquid Structure and Heredity of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China

    Juan Wang

  2. Key Lab of Liquid Structure and Heredity of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, National Key Lab of Advanced Welding Production Technology, Harbin Institute of Technology, Jinan 250061, P.R. China Harbin 150001, P. R. China

    Ya-jiang Li

  3. Key Lab of Liquid Structure and Heredity of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China

    Hai-jun Ma

  4. Key Lab of Liquid Structure and Heredity of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China

    Yan-sheng Yin

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  1. Juan Wang
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  2. Ya-jiang Li
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  3. Hai-jun Ma
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  4. Yan-sheng Yin
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Wang, J., Li, Yj., Ma, Hj. et al. Microstructure and diffusion kinetics at the bondedFe-16Al/Cr18-Ni8interface . React Kinet Catal Lett 87, 67–75 (2005). https://doi.org/10.1007/s11144-006-0010-x

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  • DOI: https://doi.org/10.1007/s11144-006-0010-x

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