据《Metal Abstracts》1991年11期和《Official Gazette》第1116卷第2期报导,美国威斯汀豪斯电器公司公布了一种将80wt％钨和20wt％钽的W-Ta材料制成高强度全致密(full density)圆棒的方法。这种棒材可用作高速穿甲弹芯材料。 其方法包括以下几个工序: 1.混合钨粉和钽粉;2.将混合好的粉末密封于金属罐中;3.在高温(982℃) According to Metal Abstracts, Issue 11, 1991 and Official Gazette, Issue 1116, Issue 2, the Westin House Electrical Company of the United States announced that a W-Ta material with 80 wt% tungsten and 20 wt% tantalum is made high Method of full density round bar. This bar can be used as high-speed armor core material. The method comprises the following steps: 1. mixing tungsten powder and tantalum powder; 2. sealing the mixed powder in a metal can;