The N occupying sites and magnetic structures in R<sub>2</sub>Fe<sub>17</sub>N<sub>x</sub>(R=Y,Dy,Nd)are de-termined by neutron diffraction.The effects of the sit
Synthesis process of a TiAl+TiB<sub>2</sub> composite from the elemental powders was studiedby means of differential scanning calorimetry and X-ray diffractomet