2022
DOI: 10.1002/adem.202200615
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A Tungsten Heavy Alloy with Enhanced Performance Prepared by Spark Plasma Sintering from Fine Spherical Tungsten Powders

Abstract: Traditional tungsten heavy alloys (WHAs), with a coarse liquid‐phase sintered microstructure, have moderate strength and excellent ductility. Grain refinement is one of the effective methods to improve the strength of these WHAs. The routine spark plasma sintering (SPS) method can refine W grains; however, the obtained typical solid‐state sintered microstructure is detrimental to the performance. Adapted SPS methods such as cyclic SPS and transient liquid‐phase SPS, proposed in the previous study, are capable … Show more

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