Tungsten-silver alloy is a two-phase structure pseudo-alloy mainly composed of tungsten and silver elements. It is a metal matrix composite material. Due to the large difference in physical properties between metallic silver and tungsten, tungsten silver alloy tungsten needle is prone to interface brittle cracking during preparation, processing and use, affecting the performance of the material. In some cases, adding a certain amount of rhenium to tungsten-silver alloy can reduce the interfacial stress in the material and improve the plasticity and toughness of the material.
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