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Effect of matrix content and pre-sintering-assisted liquid-phase sintering on the microstructure, stereology, and mechanical behavior of W–Ni–Fe tungsten heavy alloys
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DOI:10.1016/j.ijrmhm.2026.107922.png)
Abstract
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• Pre-sintering LPS reduced porosity and improved uniformity. • Matrix content controlled density, stereology, and shape stability. • 90W–7Ni–3Fe reached 98.8% density with retained geometry. • W grain size increased from 13.9 to 35.6 µm over 5–180 min. • Tensile strain-rate jump test gave representative m=0.027 –0.039.
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