添加Ti元素对热浸镀锌钢板的影响-钢铁钒钛.PDFVIP

30 2 Vol. 30, No. 2 2009 4 IRON STEEL VANADIUM T ITANIUM April 2009 Ti 1 2 1 桂 艳 , 夏才俊 , 李小曼 ( 1. , 511483; 2. , 510630) : SEM T i, T i , T i F, , T i T i 0. 05% , # 2 0. 03% ~ 0. 05% T i, 01 09% S i 0. 36% S i, : ; Zn- T i; ; + : TG1421 1 3 : A : 1004- 7638( 2009) 02- 0068- 03 Effect of Added Titanium on HotDip Galvanizing Steel Plate 1 2 1 GuiY n , X i C ijun , L iX i om n ( 1. P nyu Polytechn ic, Gu ngzhou 511483, Gu ngdong, Chin ; 2. Gu ngzhou B osteel Southern Tr de Co. , Ltd. , Gu ngzhou 510630, Gu ngdong, Ch in ) Abstract: The effect of T i dded in Zn b th on HDG (Hot D ip G lv n izing) process of steel p l te w s stud ied using SEM. The results show th t, when the tit n ium con tent in the zinc b th incre sed, the grow th of Fph se in co ting w s restr ined distinctly, the thickness of co ting decre sed. T it n ium c n effectively restr in the ex cess grow th of co ting for re ctive steel cont in ing silicon dur ing the hot d ip g -l v nizing process. W hen the tit n ium content in the zinc b th w s over 0. 05% , the #2 ph se p rticles w ere formed in the co ting. Adding 0. 03% ~ 0. 05% T i to Zn b th for 0. 09% S i steel cou ld comp letely restr in the S ndelin effec.t But dd ing tit nium to the zinc b th h d no effect on the 0. 36% S i stee.l K ey words: hot dip g lv nizing; Zn-T i co ting; m icrostructure; S ndelin effect 静钢(如国内常用的普碳钢 Q215Q235, 其含硅量为 0 引言