试论Bi和Ti对铸铁焊条焊接性能的影响  

On the Influence of Bi and Ti on Welding Performance of Cast Iron Welding Rods

作　　者：黎仕增[1] 甘善泽[2] 杨浩佩[1] 

机构地区：[1]广西机电职业技术学院汽车工程系,广西南宁530007 [2]南宁职业技术学院机电工程学院,广西南宁530008

出　　处：《南宁职业技术学院学报》2013年第2期94-96,共3页Journal of Nanning College for Vocational Technology

摘　　要：在普通铸铁焊芯的成分中添加适量的Bi元素和Ti元素,通过真空吸铸法制得的铸铁焊芯,外涂石墨化药皮,获得微合金化铸铁同质焊条,采用手工电弧焊法对铸铁进行补焊,结果发现与传统的铸铁芯同质焊条Z248相比,微合金化铸铁同质焊条的焊接性能更加优良。Elements Bi and Ti are added to the compositions of the plain cast iron core wire. We use vacuum suction casting process to develop east iron core wire, which is then coated with graphite and homogeneous mieroalloy cast iron welding rod is developed. Then, we select manual arc welding process for repairing welding of cast iron. The result shows that compared with the traditional homogeneous cast iron core welding rod, homogeneous microalloy cast iron welding rod has better welding performance.

关 键 词：焊芯 铸铁焊条 焊接性能 真空吸铸法 BI TI 

分 类 号：TG42[金属学及工艺—焊接]