Results 21 to 30 of about 8,528 (155)
ABSTRACT Currently, limited research exists on the structural response and protection methods of the converter transformer tank for ± 800 kV ultra‐high voltage direct current transmission project to high energy arc faults. This research investigates the dynamic response and the vulnerable areas of the ultra‐high voltage converter transformer under the ...
Ke Wang +5 more
wiley +1 more source
Monitoring and Quality Control of Stud Welding
This study is conducted to carry out a straightforward way appropriate for quality monitoring and stability of arc stud welding process, followed by a number of procedures to control the quality of welded samples, namely torque destructive testing and ...
Nabeel K. Abid Al-Sahib +2 more
doaj +2 more sources
Thermal Finite Element Analysis and Optimization of Carbon Steel Stud Arc Weld [PDF]
This work investigates the temperature distribution during the stud arc welding process by building a thermal finite element (FE) model with the aid of Comsol- program. Also, the aim of this study was to optimize the ultimate applied torque of the welded
Hussein, Sabah K.
core +2 more sources
Fatigue Lifetime Assessment of HFMI‐Treated Welded Joints According to the Peak Stress Method
ABSTRACT High‐frequency mechanical impact (HFMI) is an effective post‐weld treatment that enhances fatigue strength by inducing compressive residual stresses, localized strain hardening, and increasing weld toe radii. The peak stress method (PSM) was recently extended to evaluate the fatigue strength of HFMI‐treated steel joints under uniaxial loading ...
Alberto Campagnolo +2 more
wiley +1 more source
Abstract Salt's inherent weakness and capacity for ductile deformation create significant mechanical contrasts that locally perturb the stress field in surrounding rocks, often leading to deviations from regional tectonic stresses. Variations in local stress are a critical factor for wellbore stability, seal integrity, and fluid flow in subsurface ...
Lauren J. Reeher +3 more
wiley +1 more source
Arc stud welding of dissimilar AISI 420 to AISI 316L stainless steels
This study investigates the joining of AISI 316L austenitic stainless steel (ASS) and AISI 420 martensitic stainless steel (MSS) using arc stud welding.
Muhaed Alali +8 more
doaj +1 more source
Feasibility of remotely manipulated welding in space: A step in the development of novel joining technologies [PDF]
A six month research program entitled Feasibility of Remotely Manipulated Welding in Space - A Step in the Development of Novel Joining Technologies is performed at the Massachusetts Institute of Technology for the Office of Space Science and ...
Agapakis, J. E. +3 more
core +1 more source
Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels
Architected lattices with tunable negative thermal expansion are fabricated from common steels using laser powder bed fusion metal additive manufacturing. Optimized multimaterial interfaces and geometry‐driven design produce robust, defect‐minimized structures that remain dimensionally stable up to 300 °C, enabling scalable solutions for thermal ...
Devashish Dubey +4 more
wiley +1 more source
Metallic large-scale freeform lattice structures can be manufactured by wire arc additive manufacturing (WAAM). These structures are especially interesting for applications in civil engineering, such as lightweight structural elements and reinforcement ...
F. Riegger, D.L. Wenzler, M.F. Zaeh
doaj +1 more source
This article proposes an integrated design method for a 12 kV intelligent ring main unit and constructs a fault diagnosis and isolation model. Firstly, building an integrated hardware platform can significantly improve perception speed and fusion potential.
Rongrong Shan, Jieyun Qiu, Dong Han
wiley +1 more source

