Dynamic evolution of the weld pool reflection during weld penetration development

Jinsong Chen, Jian Chen, Zhili Feng, Yuming Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Weld pool surface is believed to contain sufficient information to determine the weld penetration from which skilled welders are able to control the welding process to desired penetration states. However, it is unclear how human welders extract the weld penetration from the observed weld pool surface. In this paper, a novel method is proposed to determine the weld penetration based on the dynamic change of the weld pool surface. This study observes/measures/analyzes the development of a weld pool from partial to full penetration and correlates such change to the weld penetration. Ideally, similar trends in the weld pool surface should be observed when the weld penetration changes from partial to full penetration despite the amperage used and material welded. Correlating the weld pool surface reflecting grayness and the development of the weld penetration from experiments shows: (1) the weld pool reflection intensity will increase while the weld penetration is increasing; (2) the increasing trends of weld pool reflection intensity will decrease when the full penetration is achieved; (3) the weld pool reflection intensity will increase after the full penetration is achieved. Such trend in the weld pool surface reflection intensity when the weld penetration develops can facilitate future work on automatically detecting and control the weld penetration using the weld pool surface as the feedback.

Original languageEnglish
Title of host publication2016 IEEE International Conference on Advanced Intelligent Mechatronics, AIM 2016
Pages548-553
Number of pages6
ISBN (Electronic)9781509020652
DOIs
StatePublished - Sep 26 2016
Event2016 IEEE International Conference on Advanced Intelligent Mechatronics, AIM 2016 - Banff, Canada
Duration: Jul 12 2016Jul 15 2016

Publication series

NameIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM
Volume2016-September

Conference

Conference2016 IEEE International Conference on Advanced Intelligent Mechatronics, AIM 2016
Country/TerritoryCanada
CityBanff
Period7/12/167/15/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Computer Science Applications
  • Software

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