EGR不锈钢冷却器的真空钎焊工艺  

Vacuum brazing process of stainless steel EGR cooler

作　　者：张素颖[1] 赵衍军[2] 

机构地区：[1]杭州职业技术学院机电工程系,浙江杭州310018 [2]中国石油辽河油田锦州采油厂,辽宁锦州121209

出　　处：《金属热处理》2010年第2期70-73,共4页Heat Treatment of Metals

摘　　要：分别采用紫铜和BNi-5钎料进行EGR不锈钢冷却器真空钎焊试验。分析了真空钎焊工艺参数,拟定了真空钎焊工艺过程。通过对焊缝的质量检查、性能测试和金相组织分析,验证了钎焊工艺参数的合理性。Vacuum brazing tests were carried out on stainless steel EGR cooler with pure copper brazing paste and BNi-5 brazing paste,respectively.Vacuum brazing processes were determined by analyzing the vacuum brazing parameters.The results of brazed seam quality inspection,function test and microstructure analysis show that the brazing parameters are reasonable.

关 键 词：EGR冷却器 真空钎焊 工艺参数 

分 类 号：TG454[金属学及工艺—焊接]