Results 21 to 30 of about 7,270,279 (223)

Study the effect of Welding Current on the microstructure and strength of dissimilar weld joint AISI 303/AISI 1008

open access: yesDiyala Journal of Engineering Sciences, 2021
The welding of metals is one of the most important processes that require high control for obtaining a good quality of weldments. The joining of dissimilar metals is a more complex operation compared to the joining of similar metals due to the ...
Firas Hameed
doaj   +1 more source

A model comparison to predict heat transfer during spot GTA welding [PDF]

open access: yes, 2013
The present work deals with the estimation of the time evolution of the weld fusion boundary. This moving boundary is the result of a spot GTA welding process on a 316L stainless steel disk. The estimation is based on the iterative regularization method.
LE MASSON, Philippe   +2 more
core   +1 more source

Effect of welding current and voltage on the mechanical properties of wrought (6063) aluminium alloy

open access: yesMaterials Research, 2010
This work was carried out to investigate the effect of welded joints on the mechanical properties of wrought (6063) aluminium alloy. The study revealed the influence of current and voltage on the welded joint as well as the mechanical properties of the ...
Oladele Isiaka Oluwole   +1 more
doaj   +1 more source

Influence of electrode tip diameter on metallurgical and mechanical aspects of spot welded duplex stainless steel

open access: yesHigh Temperature Materials and Processes, 2020
In this article, the influence of electrode tip diameter is investigated for spot welded duplex stainless steel (DSS). Electrode tip diameter and welding current are considered as the major influencing parameters and their values are varied within the ...
Kalyankar Vivek D., Chudasama Gautam P.
doaj   +1 more source

Robust regression analysis for the relationship between welding parameters and microhardness of 410 NiMo martensitic steel deposits on SAE 1020 steel

open access: yesActa Scientiarum: Technology, 2020
The objective of this study was to analyze the flux-cored arc welding (FCAW) welding parameters and microhardness levels on surface quality of 410 NiMo martensitic stainless-steel coatings.
João Roberto Sartori Moreno   +6 more
doaj   +1 more source

Review of Application of the Electrical Structure in Resistance Spot Welding

open access: yesIEEE Access, 2017
Resistance spot welding (RSW) is frequently employed in current industrial occasions. This paper reviewed recent advances of the electrical structure of the RSW system. Two types of electrical structures are used in RSW machines.
Kang Zhou, Ping Yao
doaj   +1 more source

Microstructure and Corrosion Resistance of Fusion Welding Zone for Duplextubes Welded with Q345R Tube Sheet under Different Welding Currents

open access: yesMetals, 2022
Duplextubes are widely used in oil and gas storage and transportation, the nuclear industry, and other fields, but the welding quality of metals is an important factor affecting the use of equipment.
Guofu Ou   +4 more
doaj   +1 more source

EVALUATION OF CONSTANT CURRENT WELD CONTROL FOR PINCH WELDING [PDF]

open access: yes, 2005
Modern weld controllers typically use current to control the weld process. SRS uses a legacy voltage control method. This task was undertaken to determine if the improvements in the weld control equipment could be implemented to provide improvements to the process control.
Korinko, P, STANLEY, S, HOWARD, H
openaire   +2 more sources

Analysis of the Effect of Shielding Gas Composition and FCAW Parameters on Shipbuilding Steel Plate for Ship Hull Production

open access: yesKapal
Shielding gas is an important thing to protect the weld metal from impurities during the welding process. Ar, CO2, and mixing gas of Ar-CO2 are often used as a shielding gas in the marine industry.
Mochammad Karim Al Amin   +12 more
doaj   +1 more source

Improvement of process window for medium and thicker plates welded by K-TIG

open access: yes工程科学学报, 2020
The welding of 8-mm thick Q235 low-carbon steel plates by keyhole tungsten inter gas welding (K-TIG), a deep penetration argon arc welding technique with tungsten electrode, is associated with many problems, including an unstable welding process and a ...
Tai WANG   +5 more
doaj   +1 more source

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