In this research, the effect of shielded metal arc welding (SMAW) process heat input upon microstructure and development heat-affected zone in dissimilar joint API 5L X80/DS5 2205 steels was investigated by recording thermal cycles with thermocouple implantation perpendicular direction weld line. The filler used (electrode) is DSS 2209. base metals their interfaces at different inputs were usin...

Abstrak Penelitian ini bertujuan untuk meneliti kekuatan tarik, hasil pengelasan shield metal arc welding (SMAW) baja KI-A dan KI-B yang digunakan kontruksi kapal bulkhead Pada penelitian ini, SMAW dilakukan dengan variasi tegangan arus pengelasan. Pengelasan menggunakan elektroda E7016 pengelasan: 60 A, 120A, 180 serta 20,30 40. SMAW. Pengujian tarik sesuai standar ASTM E8/E8M – 09. Hasil peng...

This study investigated the thermophysical, physicochemical, and electrical characteristics of electrode coatings developed for application in weld joint nuclear power plants (NPPs). The extreme vertices design technique has been used this work to develop Al2O3-SiO2-CaO-Na3AlF6-based Shielded metal arc welding (SMAW) electrodes. Twenty-six coating compositions were formulated, flux milled into ...

Control of the Gas Metal Arc welding process is becoming increasingly sophisticated, due to improvements in technology and a better understanding of the process itself. To effectively conduct research in this area, it is necessary to have equipment that is extremely flexible in both architecture and operation. Experimental power sources and a welding test facility have been developed at the Uni...

This research aimed to find out how identify qualified and unqualified welders of shielded metal arc welding (SMAW) in the shipyard industry. A cost-effective system that can welder skills real time is needed reduce cost inspection maintain weldment quality. In this study, 9-degree freedom (DOF) sensors inertial measurement unit (IMU) were applied measure record typical hand motions welders. Th...

Carbon dioxide gas-shielded arc welding, which is widely used in industry, generates a large amount of spatter the medium and high current range. To solve this problem, we developed new welding process with low gas cost that call “Pulsed Gas MAG” (PGMAG) welding. In PGMAG metal transfer controlled by suitable addition Ar gas, but effect has not been clarified. Therefore, investigated 235- to 32...