adding element
5.INFLUENCE OF ADDING Cu ELEMENT ON PROPERTIES OF Al/Al_2O_3 COMPOSITE MATERIALS
8.The results of this work show that through adding active element Ti to the filler metal, the A12 O3 grains in the brazing seam are decreased or e-liminated, and the concentration of A12O3 grains in the seam is avoided, the ionic covalent bond A12O3 is transformes to metallic bond TiO, so that the matching - ability of the brazing seam matrix and the grain phase is enhanced.
10.The results show that intimate relationship exits between content of B and magnetic properties of Fe3B/Nd2Fe14 B nanocomposite rare earth permanent magnetic alloys, so that the annealing process influences obviously magnetic properties of samples, and adding 1 % Tb element increases notably magnetic properties.

