The possibility of using V-Fe alloy slag as refractory rqaw material has been investigated,The V-Fe alloy slag is examinated by chemical analysis ,petrographic
Magnesia spinel refractory is a promising material because of its good properties at high temperature,good exfoliation-and coorosion-resistances,Three kinds of
With the adoption of concasting and refining processes of steel ,the agravation of the service con-ditions of the ladle linings of high aumina bricks causes a d
If the aqueous vapour consistence is too high(>0.7%),it is very disadvantageous to the sintered products in the nitriding furnace,when silcon nitride bonded sil