Results 31 to 40 of about 49,004 (210)

Three-Dimensional Numerical Study on the Metal Rotating Spray Transfer Process of High-Current GMAW

Chinese Journal of Mechanical Engineering, 2022
A three-dimensional numerical model based on the volume-of-fluid (VOF) method is typically preferred for studying high-current gas metal arc welding (GMAW) metal transfer mechanism and then controlling it.
Lei Xiao, Ding Fan, Jiankang Huang
doaj   +1 more source

Difficulties and redressal in joining of aluminium alloys by GMA and GTA welding: a review

Journal of Materials Research and Technology, 2023
The article reviews the difficulties and its redressal in fusion welding (especially the most used welding processes in the industry; gas metal arc (GMA) and gas tungsten arc (GTA) welding) of aluminium alloys.
Rajesh P. Verma, K.N. Pandey, Kovács András, Rohit Khargotra, Tej Singh   +4 more
doaj   +1 more source

Physicomathematical modeling of the formation features of fillet welds of bridge metal structures under submerged-arc welding

Advanced Engineering Research, 2020
Introduction. The weld formation under the submerged-arc welding of bridge metal structures is investigated. The work objective is to study possibilities to increase the welding performance during the arc welding of fillet seams.
A. A. Mosin, V. A. Erofeev, M. A. Sholokhov   +2 more
doaj   +1 more source

The Influence of Two-Jet Gas Shielding Parameters on the Structure and Microhardness of Steel 45 Joints during Consumable Electrode Welding

Metals, 2023
The paper presents the study results of the parameters influence of arc welding with a consumable electrode with two-jet gas shielding in CO2 on the structure and microhardness of high-strength steel 45 welded joints with slotted edges.
Dmitry A. Chinakhov, Dmitry Pavlovich Il’yashchenko   +1 more
doaj   +1 more source

Welding high-strength aluminum alloys [PDF]

, 1974
Handbook has been published which integrates results of 19 research programs involving welding of high-strength aluminum alloys. Book introduces metallurgy and properties of aluminum alloys by discussing commercial alloys and heat treatments.
Hasemeyer, E. A., Hoppes, R. V., Masubuchi, K., Parks, P. G.   +3 more
core   +1 more source

A computational fluid dynamic analysis of the effect of weld nozzle geometry changes on shielding gas coverage during gas metal arc welding [PDF]

, 2013
Three geometry changes to the inner bore of a welding nozzle and their effects on weld quality during gas metal arc welding (GMAW) were investigated through the use of computational fluid dynamic (CFD) models and experimental trials. It was shown that an
Campbell, Stuart, Galloway, Alexander, McPherson, Norman, Ramsey, Gemma   +3 more
core   +1 more source

Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels

Advanced Materials Technologies, EarlyView.
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, Eskandar Fereiduni, Mohamed A. Elbestawi, Mehedi H. Mahfuz, Ryan B. Berke   +4 more
wiley   +1 more source

Establishment on the chloride resistant clad rebar weld process in simulated seawater

Case Studies in Construction Materials
To enhance the weld process of the new type of clad rebar construction in the marine environment, the weld process of the clad rebar was established. Four different weld processes were used to weld the clad rebars. The microscopy of the welded joints was
Zecheng Zhuang, Weiping Lu, Zhe Gou, Lei Zeng, Rifeng Wang, Xuehai Qian, Erte Lin, Zhen Li, Yong Xiang, Jianping Tan   +9 more
doaj   +1 more source

Laser‐Based Solidification of Cermets/Cemented Carbides: Processing‐Microstructure‐Property Relationships

Advanced Materials Technologies, EarlyView.
Recent research on laser‐processed cermets and cemented carbides highlights significant advancements, yet a notable paucity of studies and persistent challenges remain. Efforts are increasingly focused on developing low‐cost, environmentally friendly cermets as alternatives to conventional materials.
Himanshu Singh Maurya, Farid Akhtar, Konda Gokuldoss Prashanth   +2 more
wiley   +1 more source

Comparative study of electrogas and shielded metal arc welding processes on steel A537 welded joints

Materials Research Express
In this research, the electro-gas welding process was compared with a shielded metal arc welding process for welding steel A573 from a mechanical properties point of view.
Mahmoud Abbas, Essam Ahmed, Mohammad Hassan, Hamed Ahmed Abdel-Aleem   +3 more
doaj   +1 more source