| 简介 |
A heat-resistant aluminum alloy material with high strength and preparation method thereof are provided. The aluminum alloy comprises (by weight %) : Cu 1.0-10.0, Mn 0.05-1.5, Cd 0.01-0.5, Ti 0.01-0.5, B 0.01-0.2 or C 0.0001-0.15, Zr 0.01-1.0, R 0.001-3 or (R1+R2) 0.001-3, RE 0.05-5 and balance Al, wherein R, R1 and R2 include Be, Co, Cr, Li, Mo, Nb, Ni, W. The Al alloy has the advantages of narrow quasi-solid phase temperature range of alloys, low hot cracking liability during casting, improved high temperature strength and high heat resistance. |
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