Results 91 to 100 of about 1,939,604 (205)

Brittleness and Control Mechanism of 0Cr21Al6 Stainless Steel Self-Fusion Joint

open access: yesTaiyuan Ligong Daxue xuebao
[Purposes] Exploring the brittleness of FeCrAl stainless steel is of great significance. Because FeCrAl is an ultra-pure ferritic stainless steel, its weld metal grain is coarse, brittle, easy to generate welding cracks, making it difficult to be used in
GUO Zihao   +4 more
doaj   +1 more source

Effect of Vibration Amplitude and Welding Force on Weld Strength of Ultrasonic Metal Welding

open access: yesJournal of Applied Mechanical Engineering, 2015
Ultrasonic metal welding has been the subject of ongoing research and development, most recently concentrating on metal joining in miniature devices, for example to allow solder-free wire bonding. As well as at the small scale, there are also opportunities to research the joining of thicker sheet metals and to widen the range of similar and dissimilar ...
openaire   +1 more source

Effects of Ultrasonic-Frequency Pulse Current on Arc Stability, Acoustic Signal Emission and Weld Quality in Underwater Wet Multi-Layer Multi-Pass Welding with Q345 Steel

open access: yesPolish Maritime Research
ITo address limitations of poor arc stability and inadequate weld quality in conventional underwater wet welding for marine structural repairs, this study developed an ultrasonic-frequency pulsed (UFP) assisted underwater wet welding (UFP-UWW) process by
Li Hongliang   +6 more
doaj   +1 more source

Experimental investigation and numerical simulation of ultrasonic spot welding for Al/Mg/Al three-layer plates

open access: yesHanjie xuebao
Aluminum/magnesium alloys have increasingly important applications in the lightweight design and manufacturing of launch vehicles due to their excellent mechanical properties. The bodies and body cover panels of new energy vehicles contain numerous three-
Dewang ZHAO   +4 more
doaj   +1 more source

A vibration signal processing method based on SE-PSO-VMD for ultrasonic machining

open access: yesSystems and Soft Computing
Ultrasonic Machining (USM) has broad applicability in numerous industrial fields. Accurate capture of ultrasonic vibration signals is pivotal to the functioning of USM, making them areas of significant research interest.
Honghuan Chen
doaj   +1 more source

Ultrasonic Welding of Ceramics and Metals

open access: yesThe Proceedings of Conference of Hokuriku-Shinetsu Branch, 2003
Shin-ichi MATSUOKA, Hisashi IMAI
openaire   +2 more sources

Effect Of Vibration Amplitude And Welding Force On Weld Strength Of Ultrasonic Metal Welding

open access: yes, 2016
Ultrasonic metal welding has been the subject of ongoing research and development, most recently concentrating on metal joining in miniature devices, for example to allow solder-free wire bonding. As well as at the small scale, there are also opportunities to research the joining of thicker sheet metals and to widen the range of similar and dissimilar ...
openaire   +2 more sources

Welding Techniques for Magnesium Alloy Joints: A Comprehensive Review. [PDF]

open access: yesMaterials (Basel)
Poliak M   +6 more
europepmc   +1 more source

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