Reza Haghayeghi

Tag: Hypereutectic

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An investigation on primary Si refinement by Sr and Sb additions in a hypereutectic Al-Si alloy

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An investigation on primary Si refinement by Sr and Sb additions in a hypereutectic Al-Si alloy Reza Haghayeghi , Giulio Timelli Hypereutectic Al-Si alloys have got interests in many industrial applications such as automotive and wear-resistance environments. However, the hypereutectic Al-Si alloys have a few drawbacks. The acicular shape of eutectic Si acts as a…

Reza Haghayeghi

grain refinement of Al alloys through liquid shearing

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Write By Reza Haghayeghi : Enhanced refinement and modification via self-inoculation of Si phase in a Hyper eutectic aluminium alloy The alloy A390 was ultrasonically treated, and the resulting material was referred to as master alloy. The master alloy was added into a non-treated A390 melt over two different levels: 10 and 20% by volume in…