Visualization of gas metal arc welding on globular to spray transition current

T. Methong; M. Shigeta; M. Tanaka; R. Ikeda; M. Matsushita; B. Poopat

doi:10.1080/13621718.2017.1344454

Visualization of gas metal arc welding on globular to spray transition current

T. Methong, M. Shigeta, M. Tanaka, R. Ikeda, M. Matsushita, B. Poopat

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The transfer modes in gas metal arc welding have important effects on welding quality. However, present study of metal transfer modes is not yet fully understood. In this study, welding arcs was visualised using the optical emission spectroscopy technique. The carbon steel wire electrode was used for welding with 80% Ar + 20% CO₂ shielding gas. The results showed that the globular to spray transition current was 330–350 A. During globular to spray transition, argon,CO₂ and Fe plasma tended to gradually change from localising near the arc axis to a two-layer structure having 11,000 K in high-temperature region away from the arc axis and around 7000 K in low-temperature region near the arc axis.

Original language	English
Pages (from-to)	87-94
Number of pages	8
Journal	Science and Technology of Welding and Joining
Volume	23
Issue number	1
DOIs	https://doi.org/10.1080/13621718.2017.1344454
Publication status	Published - 2018 Jan 2
Externally published	Yes

Keywords

Fe vapour
GMAW
metal transfer
optical emission spectroscopy
plasma temperature
Transition current

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1080/13621718.2017.1344454

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title = "Visualization of gas metal arc welding on globular to spray transition current",

abstract = "The transfer modes in gas metal arc welding have important effects on welding quality. However, present study of metal transfer modes is not yet fully understood. In this study, welding arcs was visualised using the optical emission spectroscopy technique. The carbon steel wire electrode was used for welding with 80% Ar + 20% CO2 shielding gas. The results showed that the globular to spray transition current was 330–350 A. During globular to spray transition, argon,CO2 and Fe plasma tended to gradually change from localising near the arc axis to a two-layer structure having 11,000 K in high-temperature region away from the arc axis and around 7000 K in low-temperature region near the arc axis.",

keywords = "Fe vapour, GMAW, metal transfer, optical emission spectroscopy, plasma temperature, Transition current",

author = "T. Methong and M. Shigeta and M. Tanaka and R. Ikeda and M. Matsushita and B. Poopat",

note = "Publisher Copyright: {\textcopyright} 2017 Institute of Materials, Minerals and Mining. Published by Taylor & Francis on behalf of the Institute.",

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doi = "10.1080/13621718.2017.1344454",

language = "English",

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T1 - Visualization of gas metal arc welding on globular to spray transition current

AU - Methong, T.

AU - Shigeta, M.

AU - Tanaka, M.

AU - Ikeda, R.

AU - Matsushita, M.

AU - Poopat, B.

PY - 2018/1/2

Y1 - 2018/1/2

N2 - The transfer modes in gas metal arc welding have important effects on welding quality. However, present study of metal transfer modes is not yet fully understood. In this study, welding arcs was visualised using the optical emission spectroscopy technique. The carbon steel wire electrode was used for welding with 80% Ar + 20% CO2 shielding gas. The results showed that the globular to spray transition current was 330–350 A. During globular to spray transition, argon,CO2 and Fe plasma tended to gradually change from localising near the arc axis to a two-layer structure having 11,000 K in high-temperature region away from the arc axis and around 7000 K in low-temperature region near the arc axis.

AB - The transfer modes in gas metal arc welding have important effects on welding quality. However, present study of metal transfer modes is not yet fully understood. In this study, welding arcs was visualised using the optical emission spectroscopy technique. The carbon steel wire electrode was used for welding with 80% Ar + 20% CO2 shielding gas. The results showed that the globular to spray transition current was 330–350 A. During globular to spray transition, argon,CO2 and Fe plasma tended to gradually change from localising near the arc axis to a two-layer structure having 11,000 K in high-temperature region away from the arc axis and around 7000 K in low-temperature region near the arc axis.

KW - Fe vapour

KW - GMAW

KW - metal transfer

KW - optical emission spectroscopy

KW - plasma temperature

KW - Transition current

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Visualization of gas metal arc welding on globular to spray transition current

Abstract

Keywords

ASJC Scopus subject areas

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