The microstructure and properties of rap
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A.F. Norman; P. Tsakiropoulos
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Article
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1991
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Elsevier Science
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English
⚖ 421 KB
AI-Hf alloys were produced by chill casting and gas atomization. The solid solubility of hafnium in aluminium was extended to 2 wt.% Hf in the sub 45/zm size powders. Precipitation of the L12-AI3Hf phase refined the chill cast grain size from 300 /zm to 5 /~m. The powders were consolidated by extrus