Abstract
Fe-based matrix segments were prepared by hot-pressing sintering with Fe powder and Sn powder. The microstructures of the sintered matrixes were analyzed by SEM, EDS and XRD. The effects of the composition ratio of Fe powder and Sn powder and sintering temperature on the microstructure were studied. The results show that the microstructure of FeSn matrix sintered at 620 ℃ is mainly composed of α-Fe and FeSn phase. There is no metallurgical bonding between the Fe powders, and the FeSn compounds in the matrix are mainly distributed along the interface between α-Fe. The microstructure of FeSn matrix sintered at 760 ℃ mainly contains α-Fe, (Fe, Sn) solid solution and Fe3Sn2 compound. Metallurgical bonding occurs between α-Fe phase. The increase of Sn content boosts metallurgical bonding between (Fe, Sn) solid solution. Fe3Sn2 compounds mainly distribute along the pores between Fe powders.
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Acknowledgment
The authors gratefully acknowledge the financial support received from the Doctoral Foundation for Henan University of Engineering (No. DKJ2019024).
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Gao, Y., Zhang, J., Zhao, Q., Meng, Y., Li, L. (2022). Microstructure Analysis of Sintered Metal with Iron Powder and Tin Powder. In: Wang, Y., Martinsen, K., Yu, T., Wang, K. (eds) Advanced Manufacturing and Automation XI. IWAMA 2021. Lecture Notes in Electrical Engineering, vol 880. Springer, Singapore. https://doi.org/10.1007/978-981-19-0572-8_53
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DOI: https://doi.org/10.1007/978-981-19-0572-8_53
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