Results 21 to 30 of about 19,220 (254)

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

On arc efficiency in gas tungsten arc welding [PDF]

open access: yesSoldagem & Inspeção, 2013
The aim of this study was to review the literature on published arc efficiency values for GTAW and, if possible, propose a narrower band. Articles between the years 1955 - 2011 have been found. Published arc efficiency values for GTAW DCEN show to lie on a wide range, between 0.36 to 0.90.
openaire   +4 more sources

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

Analysis of Welding Current Variation of SMAW and GTAW Combination Welding with Double V Groove on The Mechanical Properties and Microstructure of SS304 Stainless Steel

open access: yesSpecta, 2023
In this paper, the combination of shielded metal arc welding (SMAW) and gas tungsten arc welding (GTAW) welding methods are used in a double V groove SS304 10 mm thick plate. Welding current variation of 110A SMAW/120A GTAW, 100A SMAW/130A GTAW, and 90A
lia amalia   +3 more
doaj   +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

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

Effect of torch angle on arc properties and weld pool shape in stationary GTAW [PDF]

open access: yes, 2013
In this paper, a three dimensional numerical simulation is performed on a stationary arc to study the effect of torch angle in gas tungsten arc welding (GTAW) of SS304 stainless steel.
Abid, Muhammad   +4 more
core   +1 more source

Measurement and analysis on the sensitization behavior of SS-304 welds using Nb-based stabilization through flux-coated gas tungsten arc welding

open access: yesMeasurement + Control, 2019
The objective of this research work is to enhance the microstructure and intergranular corrosion resistance of AISI 304 stainless steel by diffusing the stabilizing element, that is, Niobium (Nb), using a comparatively new methodology termed as flux ...
Chitkarnvir Singh   +2 more
doaj   +1 more source

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