Results 21 to 30 of about 10,476 (314)
It was found that the ultrasonic spot welding may serve as an efficient method to join relative large thin-walled parts made of fiber-reinforced thermoplastics. In this study, a new control method for the ultrasonic spot-welding process was investigated.
Shahan Tutunjian +4 more
doaj +1 more source
The influence of position in overlap joints of Mg and Al alloys on microstructure and hardness of laser welds [PDF]
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
Experimental investigation of the influence of the FSW plunge processing parameters on the maximum generated force and torque [PDF]
The paper presents the results of an experimental investigation, done on the friction stir welding (FSW) plunging stage. Previous research works showed that the axial force and torque generated during this stage were characteristic for a static ...
ZIMMER-CHEVRET, Sandra +3 more
core +1 more source
Modal Analysis of Ultrasonic Spot Welding for Lightweight Metals Joining
Ultrasonic spot welding (USW) represents one of the unique solid-state joining methods for lightweight materials such as magnesium alloy and aluminum alloy.
Jian Chen +3 more
core +1 more source
Hot-stamped ultra-high strength steels have been widely used in automobile structural parts. Considering the high splash tendency in resistance spot welding due to their extremely high hardness, in this work, microstructural characteristics and ...
Zhixia Qiao +4 more
doaj +1 more source
Quality Analysis of Welds Made with an Automatic Battery Pack Spot Welding Machine
This paper presents quality testing of battery pack welds for different welding time parameters of an automatic resistance spot welding machine. Several quality testing methods commonly used in studies of welded joints were described.
Szymon Racewicz, Robert Fijałkowski
doaj +1 more source
The frame optimization and validation of resistance spot welding gun
Resistance spot welding gun is generally used to bond parts in the automotive and consumer electronics industries. In the automotive industry, chassis assembly operations use resistance spot welding.
Hong Ji-Su, Lee Kwang-Hee, Lee Chul-Hee
doaj +1 more source
Spot Welding of 6061 Aluminum Alloy by Friction Stir Spot Welding Process
This study was focused on the effect of welding parameters on the lap-shear fracture load of the welded joints prepared by friction stir spot welding. Four different weld parameters were analyzed: rotational speed, dwell time, pin length and shoulder size of the welding tool.
Tashkandi, M. A. +2 more
openaire +3 more sources
Interaction time and beam diameter effects on the conduction mode limit [PDF]
Laser welding has two distinctive modes: keyhole and conduction mode. Keyhole mode is characterized by deep penetration and high welding speeds, while conduction mode has higher quality welds with no defects or spatter.
Assunção, Eurico +2 more
core +1 more source
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar +2 more
wiley +1 more source

