Consolidation of blended powders by severe plastic deformation to form amorphous metal matrix composites |
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| Authors: | Suveen N Mathaudhu K Ted Hartwig Ibrahim Karaman |
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| Institution: | Texas A&M University, Department of Mechanical Engineering, Rm 100 Cain Hall, Mailstop 3123, College Station, TX 77843-3123, United States |
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| Abstract: | Warm equal channel angular extrusion (ECAE) in 90° tooling is used to consolidate Vitreloy 106a plus tungsten powders. A fully dense amorphous matrix composite showing good infiltration of the amorphous phase in between crystalline particles and uniform consolidation is achieved after one ECAE extrusion in the supercooled liquid temperature region of the amorphous phase. The results demonstrate that ECAE appears to be a viable processing method for producing bulk metallic glass matrix-crystalline particle composites. |
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| Keywords: | Amphorphous metals metallic glasses Mechanical properties Hardness Indentation microindentation Scanning electron microscopy Processing Calorimetry |
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