Effect of Arc Current Ultrasonic-Frequency Pulsation on Underwater Wet Arc Welding Quality-Reference-Cited by-同舟云学术

Effect of Arc Current Ultrasonic-Frequency Pulsation on Underwater Wet Arc Welding Quality

Published:2013-09 Issue: Volume:763 Page:174-178
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Zhu Jie¹,Guo Jia Cheng¹,Wang Wei¹,Wang Jia You¹

Affiliation:

1. Jiangsu University of Science and Technology

Abstract

A novel process of ultrasonic-assisted underwater wet arc welding was proposed to improve the joint properties, a number of ultrasonic-assisted underwater welding experiments were then carried out, and the effects of pulse frequency on weld formation, joint hardness and microstructure were investigated. Experimental results show that the ultrasonic frequency pulsation of arc can improve weld penetration while reducing effectively the hardness of joint HAZ in the arc axial direction and refining the grain of microstructure, and the effects of which are related closely to the pulse frequency.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.763.174.pdf

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