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DIRECT SYNTHESIS OF SIA LON/ SiC MULTIPHASE REF RACTORY USING CLAY

H. Q. Ru1) , N. Zhang2) , P. Z. Yu1) and X. D. Sun1)1) Northeastern University , Shenyang 110006 , China2) Shenyang University , Shenyang 110044 , China

金属学报(英文版)

Sialon/ Si C m ultiphase refractory w as directly synthesized using cheap clay , Si C particlesand proper ad ditives . The new synthesizing process is si m ple an d of low cost . The synthesizedm aterial has good roo m tem perature m echanical properties and ther m al shock resistance . Thisw ork has provided the experi mental basis for the ap plication of high property an d cheap Sialon/ Si C m ultiphase refractories .

关键词: clay , null , null

THE INFLUENCE OF COMPOSITION AND TEMPERATURE OF BATH ANDAFTER-TREATMENT 0N COLORATION IN COLORING HOT DIPGALVANIZATION

Q. C. Le and J. Z. Cui School of Materials & Metallurgy , Northeastern University , Shenyang 110006 , China

金属学报(英文版)

The 08 Al steel sheets were hot dip ped into Zn - Mn bath with 0 1 % Mn and 0 2 % Mn at600 ～420 ℃ bath tem perature , and then w ere treated in different w ays . The after - treat ments include cooling in the air at room tem perature directly , holding at the upper part of thehot dip galvanizing furnace for 60 s an d then holding at 510 ±10 ℃for 90 s . The results in dicated that blue , yellow , and purple , w hose coloration varied with the co m position an d thetem perature of bath and the w ays of after - treat ment . Finally , the mechanism of coloredzinc coating w as discussed .

关键词: coloring hot dip galvanization , null , null

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