Results 21 to 30 of about 1,189 (245)

Optimization of recycled slag-fresh flux mixture based upon weld bead quality for submerged arc welding of stainless steel

open access: yesJournal of the Mechanical Behavior of Materials, 2021
Submerged arc welding (SAW) has been performed using slag-fresh flux mixture on duplex stainless steel plates. Experiments were performed by recycled slag-fresh flux mixtures with iron powder; iron powder is mixed to maintain and enhance the weld ...
Jindal Sandeep, Singh Harpreet
doaj   +1 more source

Differentiation in the SiC Filler Size Effect in the Mechanical and Tribological Properties of Friction-Spot-Welded AA5083-H116 Alloy

open access: yesFibers, 2022
Ceramic reinforced friction stir spot-welding (FSSW) is one of the unique welding techniques used to fabricate spot joints. This study is intended to investigate the effect of reinforcement additive particle size in achieving higher weld strengths ...
S. Suresh   +3 more
doaj   +1 more source

Reinforcement test of epoxy-filled steel sleeves for girth weld defects of X80 pipelines

open access: yesYou-qi chuyun, 2021
In order to verify the applicability of epoxy-filled steel sleeves for reinforcement of the girth weld defects in X80 steel pipelines, X80 pipe fittings with 1 016 mm diameter were selected as the specimens and on the specimens two girth welds with same ...
Dongliang YU   +6 more
doaj   +1 more source

Profile Map of Weld Beads and Its Formation Mechanism in Gas Metal Arc Welding

open access: yesMetals, 2019
In order to investigate the profile map of weld beads and its formation mechanism in gas metal arc welding (GMAW), bead-on-plate welding was carried out with different average currents, and the dimensions of a weld bead were measured.
Zhanhui Zhang, Jiaxiang Xue
doaj   +1 more source

Composite welds reinforced in volume with lanthanides

open access: yesLitiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), 2023
Under the conditions of dynamic impact of high‑speed clusters of powdered micro‑particles on the volume zone of welding between 110G13 and St.10 steel plates, longitudinal strengthening channel elements are formed, and rare earth elements such as lanthanum and cerium are also synthesized.
Y. S. Usherenko   +3 more
openaire   +2 more sources

Mechanical Properties of Welded Deformed Reinforcing Steel Bars

open access: yesARO-The Scientific Journal of Koya University, 2016
Reinforcement strength, ductility and bendability properties are important components in design of reinforced concrete members, as the strength of any member comes mainly from reinforcement. Strain compatibility and plastic behaviors are mainly depending
Ghafur H. Ahmed
doaj   +1 more source

Incorporating oxygen-free copper to improve the microstructure and mechanical properties of friction-stir-welded joints for aluminum alloys

open access: yesScience and Engineering of Composite Materials, 2018
The main objective of the present work was to establish a friction-stir-welding process to weld dissimilar metal joints on AA6082 and AA6066 aluminum alloy plates.
Huang Her-Yueh   +2 more
doaj   +1 more source

Optimization of TIG Welding Parameters for Ti-6Al-4V Titanium Alloy using the Taguchi Design of Experiment

open access: yesNUST Journal of Engineering Sciences, 2022
This paper presents the effect of tungsten inert gas welding parameters (i.e. welding current, welding speed and filler wire speed) on weld bead geometry, notch tensile strength (NTS) and weld bead hardness of 2.0 mm thick annealed Ti6Al4V titanium ...
Abdul Sattar   +6 more
doaj   +1 more source

Effect of Local Fluid Disturbance Induced by Weld Reinforcement Height on the Corrosion of a Low Alloy Steel Weld

open access: yesMetals, 2023
Weld corrosion exists widely in the petrochemical industry and attracts great attention. Most research proves that weld corrosion originates from the material factors introduced during the welding process. However, it is noted that local fluid turbulence
Kexin Zheng   +5 more
doaj   +1 more source

DEVELOPMENT OF LOW-ALLOY SOLID SECTION WIRES AND EFFECTIVE WELDING PRACTICES OF HIGH-RESISTANCE STEELS FOR OPERATIONS IN THEEXTREME NORTH CONDITIONS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
Currently applied welding materials do not always meet the requirements towards cold resistance and resistance to brittle failure of welding joints metal. The existing practice of welding for ensuring the equal strength of a weld joint requires execution
A. P. Baryshnikov   +3 more
doaj   +1 more source

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