焊条药皮水分测试方法和现状  

Testing methods for water content in welding rod coating

作　　者：程美洁[1] 

机构地区：[1]中冶建筑研究总院有限公司,北京100088

出　　处：《石化技术》2015年第8期84-84,共1页Petrochemical Industry Technology

摘　　要：焊条药皮所含的水分是焊缝熔敷金属中氢的主要来源,控制焊条药皮含水量十分重要。本文主要介绍了焊条药皮含水量的试验方法、研究现状,分析原理等。It is crucial to control the water content in welding rod coating to prevent the creation of hydrogen in welding deposited metal.The testing methods for water content in welding rod coating are presented in this paper along with its development and analytical principles.

关 键 词：焊条药皮 含水量 扩散氢 

分 类 号：TG422.1[金属学及工艺—焊接]