The Comparison of Weld Metal with and without Additional Powder Using Submerged Arc Welding

被引：0

作者：

Srikarun, Buntoeng ^{[1
]}

Muangjunburee, Prapas ^{[1
]}

机构：

[1] Prince Songkla Univ, Min & Mat Engn, Hat Yai, Thailand

来源：

PROCEEDINGS OF 2018 5TH INTERNATIONAL CONFERENCE ON BUSINESS AND INDUSTRIAL RESEARCH (ICBIR): SMART TECHNOLOGY FOR NEXT GENERATION OF INFORMATION, ENGINEERING, BUSINESS AND SOCIAL SCIENCE | 2018年

关键词：

submerged arc welding; weld metal; additional powder; welding dilution; hardness; FE-CR-C; WEAR BEHAVIOR; STAINLESS-STEEL; MECHANICAL-PROPERTIES; MICROSTRUCTURE; ABRASION;

D O I：

暂无

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The hardfacing using submerged arc welding with additional metal powder has been a new way to extend the service life of the machine parts related to several wear mechanisms. Therefore, this research aims to compare the welding parameters of submerged arc welding which welded with martensitic steel wire without additional powder and low carbon steel wire with and without additional powders added to the weld metal Then the macro and microstructure, chemical composition, welding dilution and the hardness of the weld metal were studied The results presented that the weld metal of martensitic steel wire without additional powder showed martensitic and austenitic microstructure. Using low carbon steel wire without additional powder showed ferrite and pearlite microstructure. While the welding with additional powders, the microstructure depends on the type of metal powder used These microstructures consist of ferrite with dense pearlite and ferrite mixed with martensite. In addition, it was found that the addition of metal powder to the weld metal reduced the dilution and increased weld metal hardness. However, both the microstructure and the hardness of the weld metal with powder addition are different from those of the weld metal welded with martensitic steel wire without powder addition.

引用

页码：242 / 247

页数：6

共 23 条

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