abstract |
The present invention relates to a powder metallurgical solid state molybdenum sintered body having the following composition: a molybdenum content of ≥99.93 wt%, a boron content "B" of ≥3 ppmw and a carbon content "C" of ≥3 ppmw, wherein the total content of "BuC" of carbon and boron is in the range of 15 ppmw ≤ "BuC" ≤ 50 ppmw, an oxygen content "O" in the range of 3 ppmw ≤ "O" ≤ 20 ppmw, a maximum tungsten content of ≤ 330 ppmw and a maximum proportion of other impurities of ≤ 300 ppmw. The present invention further relates to a powder metallurgical process for producing such a molybdenum sintered body. |