Patent ID: 9677157
Date: 2017-06-13
CPC Classifications: B22D,C22C

Claim:
1. A process of preparing an aluminum alloy comprising: melting a ZL101 Al-Si alloy, and after the ZL101 Al-Si alloy is completely melted covering the melt, wherein the melting of the ZL101 Al-Si alloy comprises placing 10 Kg of the ZL101 Al-Si alloy into a crucible for melting; adding a modifier Te accounting for 0.1% of the mass of the melt of the ZL101 Al-Si alloy when the temperature of the melt reaches 680° C., and performing heat preservation for 15 minutes; adding a rare earth element La accounting for 0.1% of the mass of the melt of the ZL101 Al Si alloy when the temperature of the melt reaches 700° C., and then performing heat preservation for 5 minutes; and refining the melt and then pouring the melt into a mold.