| 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. |
|
