Equilibrium equation of point defects in Ll<sub>2</sub> type intermetallic compounds was established tocalculate the relations of the concentration of antisite
It is obtained in this paper that the fatigue threshold value of mode H was 1.9 times of that ofmode Ⅰ in dual-phase steel(DPS),and the normal stress intensity f
Five fields corresponding to the primary crystallization of PrCl<sub>3</sub>,Sr<sub>3</sub>PrCl<sub>9</sub>,α(SrCl<sub>2</sub>,CaCl<sub>2</sub>),α<sub>1</sub>(Ca