Results 11 to 20 of about 18,132 (228)

Difficulties and redressal in joining of aluminium alloys by GMA and GTA welding: a review

open access: yesJournal of Materials Research and Technology, 2023
The article reviews the difficulties and its redressal in fusion welding (especially the most used welding processes in the industry; gas metal arc (GMA) and gas tungsten arc (GTA) welding) of aluminium alloys.
Rajesh P. Verma   +4 more
doaj   +1 more source

Gas Pool Coupled Activating TIG Welding Method with Coupling Arc Electrode

open access: yesChinese Journal of Mechanical Engineering, 2018
Gas pool coupled activating TIG (GPCA-TIG) welding put forward in-house can dramatically enhance weld penetration of TIG welding through introducing active element oxygen to reverse the Marangoni convection flow in the molten pool.
Yong Huang, Rui-Lin Liu, Yan-Zhao Hao
doaj   +1 more source

Effect of Residual Stresses of GTA Welding for Dissimilar Materials [PDF]

open access: yesMaterials Research, 2018
The purpose of the present work is to understand the evolution of residual stresses in weldments. The study made to weld the multipass dissimilar of Nickel-based superalloy Inconel 625 and stainless steel 316L using Continuous Current Gas Tungsten Arc ...
Harinadh Vemanaboina   +3 more
doaj   +2 more sources

Residual stress evaluation in API 5L X65 girth welded pipes joined by friction welding and gas tungsten arc welding

open access: yesJournal of Materials Research and Technology, 2019
The present study compared the residual stress states in friction welded pipes of API 5L X65 to those achieved by gas tungsten arc welding (GTAW). X-ray diffraction (XRD) was used to assess residual stresses.
Carlos Alexandre Pereira de Moraes   +4 more
doaj   +1 more source

Microstructure and Mechanical Properties of Thick 08Cr9W3Co3VNbCuBN Heat-Resistant Steel welded Joint by TIP TIG Welding

open access: yesMaterials Research, 2023
In this paper, the multi-layer multi-pass welding process was used to weld 115mm 08Cr9W3Co3VNbCuBN (G115) steel pipe, the gas tungsten arc welding (GTAW) was used in root pass welding, subsequent welding by dynamic hot wire gas tungsten arc welding (TIP ...
Yongbin Wang   +4 more
doaj   +1 more source

Numerical Investigation of Arc-Pool-Metal Vapor Behavior in GTAW with an External Magnetic Field

open access: yesMetals, 2020
Gas tungsten arc welding with an external magnetic field is proven to suppress weld defects while improving welding speed. A three-dimensional numerical model that considers interactions among the arc plasma, weld pool, metal vapor, and external magnetic
Yu Han   +4 more
doaj   +1 more source

Characteristics of Welding and Arc Pressure in the Plasma–TIG Coupled Arc Welding Process

open access: yesMetals, 2018
In this article, a novel hybrid welding process called plasma-TIG (Tungsten Inert Gas welding) coupled arc welding was proposed to improve the efficiency and quality of welding by utilizing the full advantage of plasma and TIG welding processes.
Bo Wang   +4 more
doaj   +1 more source

High Frequency Gas Tungsten Arc Welding Process for Dressing of Weldment [PDF]

open access: yes, 2017
The present investigation aims to apply High frequency GTAW variants to apply for the purpose of dressing of weldments. Numerous studies has reviled that the different dressing techniques has improved the life for weldments by modifying the weld bead ...
J, C. A. (Cibi), Thilagham, K. T. (K)
core   +1 more source

Characterizations of TIG welded joints of Unalloyed Commercially Pure Titanium Gr-2 for Weld Process Parameters

open access: yesFracture and Structural Integrity, 2019
Titanium and Titanium Alloys can be welded by gas tungsten arc, gas metal arc, plasma arc and electron beam welding processes. Titanium material is a reactive metal and is sensitive to embrittlement by oxygen, nitrogen, and hydrogen gas, at elevated ...
Hiralal S. Patil, D. C PATEL, C. S PATIL
doaj   +3 more sources

Effect of Process Parameter in SAW- A Review [PDF]

open access: yes, 2017
In research organizations and industries, most widely used welding methods are shield metal arc welding (SMAW), gas metal arc welding (GMAW), gas tungsten arc welding (GTAW) and submerged arc welding (SAW).
Gautam, U. (Uma)
core   +1 more source

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