The space group of PrCo<sub>12</sub>B<sub>6</sub>,compound has been determined using the convergent beam elec-tron diffraction method.The space group is found t
The mechanical properties of regenerated W-alloys relating to the chemical purity and size ofreclamation powders of 93W-Ni-Fe-Co(Mn)alloy chips,the structure of
The snap-action behavior of a Ni-Ti alloy disc which is controlled by combination of anonlinear stress field and temperature has been studied.After treatment fo
The stable ranges concerning the composition and temperature have been experimentally de-termined for the intermetallic compounds in system Fe-Cr-Mo at high-tem