细晶粒W-Cu合金药型罩材料制备的工艺技术
Ordnance Material Science and Engineering(2013)
Abstract
为探索难熔金属和铜粉致密化工艺,提出了细晶粒W-Cu合金喷雾热分解制粉—球磨湿混—液相烧结的制备方法。通过反复试验获得致密度高、晶粒纳米化的细晶粒W-Cu合金复合材料。采用此材料烧结成的样品毛坯,经两步锻造工艺制得EFP药型罩试样,密度可达到理论值的99.8%,抗拉强度可达320MPa,综合性能优越,具有一定的成形性,有利于提高W-Cu合金药型罩的侵彻威力。
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Key words
wet ball mixing,fine grain,liquid phase sintering,spray pyrolysis
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