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Research on morphology, porosity, mechanical properties of 7075 aluminum alloy repaired by arc welding and laser shock forging [PDF]
There are many problems in the arc welding repair of aluminum alloy parts, such as excessive pores, coarse grains, and low hardness. Introducing external energy excitation is an effective solution.
Zhichao Chen+5 more
doaj +2 more sources
Composite control of the SiC arc welding power source based on the expert system and neuron PID [PDF]
A third generation wide-band-gap SiC semiconductor device is used in the SiC arc welding power source, which has a higher inverter frequency and greatly improves the dynamic characteristics of the arc welding power source, providing opportunities for ...
Si-min Chen+3 more
doaj +1 more source
Process Simulation and Optimization of Arc Welding Robot Workstation Based on Digital Twin
For the welding cell in the manufacturing process of large excavation motor arm workpieces, a system framework, based on a digital twin welding robot cell, is proposed and constructed in order to optimize the robotic collaboration process of the welding ...
Qinglei Zhang+4 more
semanticscholar +1 more source
The objective of the present experimental work is to obtain an appropriate welding parameter on pulsed current gas tungsten arc welding (GTAW) ferritic stainless steel AISI 409L with a thickness of 4.5 mm. Frequency affected penetration, and the ratio of
R. Venkatesh+7 more
semanticscholar +1 more source
Path Planning With Automatic Seam Extraction Over Point Cloud Models for Robotic Arc Welding [PDF]
This letter presents a point cloud based robotic system for arc welding. Using hand gesture controls, the system scans partial point cloud views of workpiece and reconstructs them into a complete 3D model by a linear iterative closest point algorithm ...
Peng Zhou+4 more
semanticscholar +1 more source
Gas tungsten arc welding (GTAW) technology is widely used in industry and has advantages, including high precision, excellent welding quality, and low equipment cost.
Í. Tomaz+5 more
semanticscholar +1 more source
Research on Arc Length Tracking Control Technology of Tube-Sheet Welding Based on Pulsed TIG
During tungsten inert gas welding process, arc length will change due to thermal deformation, uneven surface of workpiece and tungsten electrode loss. Considering the large fluctuation of arc length in all-position annular seam welding under the action ...
Jianhua Ma+4 more
doaj +1 more source
Experimental Investigation of Oxy-acetylene Welding and Arc Welding with Steel, Brass, and Bronze Electrodes [PDF]
To consider the importance of avoiding corrosion of weld metal under various environmental conditions, the investigation into the efficiency of different welding methods with different types of electrodes will be inevitable.
B. Shervani Tabar+2 more
doaj +1 more source
In recent years, the demand for advanced high-strength steel (AHSS) has increased to improve the durability and service life of steel structures. The development of these steels involves innovative processing technologies and steel alloy design concepts.
Ashok Kumar Perka+3 more
semanticscholar +1 more source