摘要 |
The method involves preparing a powder feed stock by boron powder, in which opened final ranges of filaments of wires (1,2) is projected. The boron of the boron powder of is provided in amorphous modification. The powder feed stock is compressed with the projected opened final ranges of the filaments to a press body (8), where magnesium and magnesium diboride material is utilized. A pan (11) is provided, which is made of niobium, tantalum, vanadium, titanium and iron material. |