配方类型:

METALS AND THEIR TREATMENT

配方说明:

High-Density Powder-Metal Alloy (U.S. Patent 2,491,866)

配方组成:

Beryllium/0.25
Tungsten/99.00
Platinum/0.50
Nickel/0.25

配制方法:

Mix these in fine powder form, sinter, and press, using regular powder-metallurgy methods to give a product having a density of 19.3 g.
per cc.