Results 21 to 30 of about 511,940 (310)
Activated TIG welding has been performed on Al – 8% SiC composite 5mm plate with various fluxes such as Al2O3, MnO2, CaO, MgO, SiO2 & TiO2, to study & analyze the Microstructure, Micro hardness and cooling rate.
Pichumani Sivachidambaram +2 more
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SIMULATED HEAT AFFECTED ZONE IN WELDED STAINLESS STEEL 304L
This work is a contribution study of the heat-affected zone in the real welded joint of stainless steel 304L. This zone was compared to the heat-affected zone obtained by using a thermal cycle simulation of welding.
Soumia Hamza +3 more
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Technology Of MIG-MAG Welds Strength Enhancement [PDF]
A new technology of MIG MAG welding control is developed. Authors introduce use of power AC and pulse feed of welding wire in the arc zone, that downsizes the heat affected zone, stabilizes formation of electrode metal droplets, as external magnetic ...
Solodsky, Sergey Anatolievich +3 more
core +2 more sources
By using miniature SENB specimens, the fracture properties of the materials in the region of welded metal, 321 stainless steel heat affected zone, 690 alloy heat affected zone of 321/690 dissimilar metal girth welded joints were tested.
Bao Chen +5 more
doaj +1 more source
Physical Nature of the Processes in Structure Forming, Phase and Chemical Composition of pipe Permanent Joints when MMA Welding [PDF]
The paper outlines peculiarities of structure formation, phase and chemical composition in regard to heat content in molten electrode metal beads when pipe steel (steel 09G2S) welding using power sources with various energy characteristics.
Chinakhov, Dmitriy Anatol'evich +3 more
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A comprehensive study on the microstructure and mechanical properties of arc girth welded joints of spiral welded high strength API X70 steel pipe [PDF]
In the paper, the effect of welding technology on the microstructure and mechanical properties of girth welded joints was presented. Metallographic examinations based on light microscopy and SEM were conducted on girth welded joints of API X70 steel pipe.
De Waele, Wim +6 more
core +1 more source
In this work, the corrosion behaviour of an X80 carbon steel welded joint in a H2O-saturated supercritical-CO2 (SC-CO2) environment (40°C, 10 MPa) was studied with SEM, XRD and electrochemical techniques.
Yongbo Yan +4 more
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The present research investigated the effects of welding current and welding time on the shearing strength of resistance spot-welded joints of low carbon steel and stainless steel plates.
Lei Chen +7 more
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Single-pulse MIG welded Perform 700 steel joints with various welding parameters
In this work, Perform 700 steel sheets with 5-mm thickness were welded with single pulse MIG welding method with different welding currents and welding speeds.
Fatih Özen
doaj +1 more source
The authors propose a thermal welding technology with ultrasound treatment for NPP circulation pipe-lines. This technology can significantly increase the strength of welded connections by reducing residual stresses, grain size and welded joint degassing.
S.I. Minin, A.I. Trofimov, M.A. Trofimov
doaj +1 more source

