Results 11 to 20 of about 21,176 (299)

Detection of Q235 Mild Steel Resistance Spot Welding Defects Based on EMD-SVM

open access: yesMetals
Real-time detection of welding defects in resistance spot welding is a complex challenge. Dynamic resistance (DR) reflects nugget growth and varies with defect types, serving as a key indicator. This study presents an online quality evaluation and defect
Yuxin Wu   +3 more
doaj   +2 more sources

Effect of aluminium sheet surface conditions on feasibility and quality of resistance spot welding [PDF]

open access: yes, 2010
A study investigating the effect of sheet surface condition on resistance spot welding (RSW) of aluminium has been carried out. This concentrates on two automotive aluminium alloys; AA5754 and AA6111, used for structural and closure applications ...
Shergold, Mike   +3 more
core   +1 more source

The influence of position in overlap joints of Mg and Al alloys on microstructure and hardness of laser welds [PDF]

open access: yes, 2013
Structure and properties of laser beam welding zone of dissimilar materials, AZ31 magnesium alloy and A5754 Aluminum alloy, are investigated. The microstructure and quality of the Mg/Al weld were studied by metallography, microhardness and optical ...
BANNOUR, Sana   +11 more
core   +1 more source

Design and Fabrication of Remote Welding Equipment in a Hot-Cell

open access: yesScience and Technology of Nuclear Installations, 2013
The remote welding equipment for nuclear fuel bundle fabrication in a hot-cell was designed and developed. To achieve this, a preliminary investigation of hands-on fuel fabrication outside a hot-cell was conducted with a consideration of the constraints ...
Soosung Kim   +3 more
doaj   +1 more source

Research on microstructure and properties of 3D plasma spray welding repair layer of continuous casting segmented rollers

open access: yesMaterials Research Express, 2023
In this paper, the Fe-Cr-Ni-Si powder was used in a 3D plasma spray welding machine to perform spray welding repair tests on continuous casting segmented rollers for service life improvement.
Yuxiang Li   +7 more
doaj   +1 more source

Development and evaluation of a multi-functional welding protective clothing system

open access: yesJournal of Industrial Textiles, 2023
A new welding protective clothing system has been proposed to enhance the protective performance, comfort, and safety of welding protective clothing, considering the hazards associated with welding processes.
Peng Jin, RT Jiang, Lei Shen
doaj   +1 more source

Optimization of resistance spot welding parameters for microalloyed steel sheets

open access: yesOpen Engineering, 2016
The paper presents the results of resistance spot welding of hot-dip galvanized microalloyed steel sheets used in car body production. The spot welds were made with various welding currents and welding time values, but with a constant pressing force of ...
Viňáš Ján   +2 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

Modified Recurrence Plot for Robust Condition Monitoring of Electrode Tips in a Resistance Spot Welding System

open access: yesApplied Sciences, 2020
Degraded electrodes in a resistance spot welding system should be replaced to ensure that weld quality is maintained. Welding electrodes are subjected to different environmental and operational loading conditions during use. When they are replaced with a
Wonho Jung   +5 more
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

Home - About - Disclaimer - Privacy