STUDY ON NODULE RATIO AND COMPACTED GRAPHITE RATIO OF IRON FLUID TREATED BY RARE EARTH MAGNESIUM ALLOY QUICKLY EXAMINED BY CONCENTRATED DIFFERENCE FIXING OXYGEN
L.X.Ding and Y.M.Wang Department of material, School of Mechanical Engineering, Shenyang University, Shenyang 110044, China
Acta Metallurgica Sinica (English Letters) . 1999, (5): 907 -910 .