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Research on hardness and tensile properties of A390 alloy with tin addition

IOP Conference Series: Materials Science and Engineering (2018) 322(2)
DOI: 10.1088/1757-899X/322/2/022038
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Abstract

The effect of tin content on hardness and tensile properties of A390 alloys has been discussed. The microstructure of the A390 alloy with tin addition has been surveyed by OM and investigated by SEM. Research showed that β-Sn in the alloy precipitation forms were mainly small blocks and thin strips, particles within the Al2Cu network or large blocks consisting of β-Sn and Al2Cu on Al/Si interfaces or α-Al grain boundaries. Spheroidization of the primary and eutectic silicon was improved due to Sn accretion. With the augment of element tin, hardness of casting alloy is much higher than that of alloy after heat treatment. The elongation and ultimate tensile strength (UTS) were increased in Sn addition from 0 to 1%, which is attributed to the multiple action of Sn.

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CITATION STYLE

APA

Si, Y. (2018). Research on hardness and tensile properties of A390 alloy with tin addition. In IOP Conference Series: Materials Science and Engineering (Vol. 322). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/322/2/022038

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