| 摘要 |
A method comprising A. dissolving tungsten trioxide or molybdenum trioxide in a solvent containing water and at least one of morpholine, ethylene diamine, tetraethylene pentamine, triethylene tetramine, triethanolamine, hexamethylene tetramine, and glycine to produce a solution, B. mixing tungsten metal powder with a quantity of said solution to provide in addition about 0.25 to 4.00 weight percent tungsten or molybdenum as a compound thereof in said mixture, C. pressing a quantity of said mixture into a pellet, D. and then heating said pressed pellet above about 2,000 DEG C. to produce a porous tungsten body.
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