High-strength Al87Ni8La5 bulk alloy produced by spark plasma sintering of gas atomized powders
Source abstract
Abstract
In situ devitrification and consolidation of gas atomized Al87Ni8La5 glassy powders into highly dense bulk specimens was carried out by spark plasma sintering. Room temperature compression tests of the consolidated bulk material reveal remarkable mechanical properties, namely, high compression strength of 930 MPa combined with plastic strain exceeding 25%. These findings demonstrate that the combined devitrification and consolidation of glassy precursors by spark plasma sintering is a suitable method for the production of Al-based materials characterized by high strength and considerable plastic deformation.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Quasicrystal Structures and Properties · Aluminum Alloys Composites Properties
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