YANG Bin, WANG Feng, HUANG Zanjun, DUAN Xianjin, ZHANG Jishan. Effect of in situ TiC Particulate on the Microstructure of Spray Deposited Al-20Si-5Fe Alloy[J]. Chinese Journal of Engineering, 2001, 23(1): 24-27. DOI: 10.13374/j.issn1001-053x.2001.01.033
Citation: YANG Bin, WANG Feng, HUANG Zanjun, DUAN Xianjin, ZHANG Jishan. Effect of in situ TiC Particulate on the Microstructure of Spray Deposited Al-20Si-5Fe Alloy[J]. Chinese Journal of Engineering, 2001, 23(1): 24-27. DOI: 10.13374/j.issn1001-053x.2001.01.033
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Effect of in situ TiC Particulate on the Microstructure of Spray Deposited Al-20Si-5Fe Alloy

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  • A TiC/A1-20Si-5Fe composite is fabricated by melt in situ reaction spray forming and effect of in situ TiC particulate on the microstructure of spray-deposited Al-20Si-5Fe alloy is studied. Both theoretical and experimental results have shown that some Al-Si-Fe intermetallic phases with needle-like structure exist in the spray-deposited Al-20Si-5Fe alloy, which is harmful to the tensile properties of the composites. The needlelike intermetallic phases can be entirely absent in the final product after 5%Tic (mass fraction) particulates are in situ formed in spray-deposited Al-20Si-5Fe alloy.
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