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Microstructures and mechanical properties of rapidly solidified high strength Al–Ni based alloys

✍ Scribed by J.Q Guo; K Ohtera


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
907 KB
Volume
46
Category
Article
ISSN
1359-6454

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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