Results 21 to 30 of about 336,157 (237)

Advances in ultrasonic welding of lightweight alloys: A review

open access: yesHigh Temperature Materials and Processes, 2023
The lightweight alloy sheet materials have been widely used in industries such as automobiles, aviation, and aerospace. However, there are huge challenges in the structural joining process.
Abbas Zeshan   +4 more
doaj   +1 more source

Optimization and mechanism of ultrasonic welding process of CF/PEI composite

open access: yesCailiao gongcheng, 2023
Carbon fiber reinforced polymer composites (CFRP) are widely used in the aerospace field. The efficient bonding technology has an important effect on the manufacturing cost and safety of CFRP components.
WANG Jing   +6 more
doaj   +1 more source

Melt Pool and Keyhole Behavior Analysis for Deep Penetration Laser Welding [PDF]

open access: yes, 2010
One usually defines the main characteristic of the welding performances of a given laser system by its “penetration curve” that corresponds to the welding depth as a function of the welding speed Vw for a given set of operating parameters.
R Fabbro, Fabbro, R, FABBRO, Rémy
core   +1 more source

Process investigation on ultrasonic vibration enhanced friction stir welding of 2195 aluminum-lithium alloy

open access: yesCailiao gongcheng, 2021
A novel ultrasonic vibration enhanced friction stir welding (UVeFSW) process was employed to join the rolled 2195 aluminium-lithium alloy of 4 mm thickness.
SHI Lei, DAI Xiang, WU Chuan-song, FU Li
doaj   +1 more source

Ultrasonic Welding of Thermoplastic Composites

open access: yesFrontiers in Materials, 2019
Ultrasonic welding is a very fast and energy-efficient technique for the joining of thermoplastic composites. This article looks into main aspects of ultrasonic welding of continuous fiber-reinforced thermoplastic composites, namely energy directors ...
Irene Fernandez Villegas
doaj   +1 more source

Using Taguchi method to optimize welding pool of dissimilar laser welded components [PDF]

open access: yes, 2008
In the present work CO2 continuous laser welding process was successfully applied and optimized for joining a dissimilar AISI 316 stainless steel and AISI 1009 low carbon steel plates. Laser power, welding speed, and defocusing distance combinations were
Anawa, E., Olabi, Abdul-Ghani
core   +2 more sources

The prediction of risk of welding defects at the procedure stage using computer knowledge based systems. [PDF]

open access: yes, 1992
The purpose of this research was to develop a methodology to evaluate the likelihood of defective welds as a procedure proposal is entered into a computerised database system.
Da Costa, S. C.
core   +7 more sources

Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement

open access: yesGeophysical Monograph Series, Page 27-82., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm   +2 more
wiley  

+1 more source

Research on the synergistic regulation of weld formation and multiple performance parameters in ultrasonic-assisted TIG welding of 2219 aluminum alloy thick plates [PDF]

open access: yesAPL Materials
To address the issues of significant deformation, high residual stress, and poor joint performance in the conventional welding process of 2219 aluminum alloy, this paper constructs an ultrasonic-assisted TIG welding system.
Peng Yin   +5 more
doaj   +1 more source

Ultrasonic vibration enhanced friction stir welding process of aluminum/steel dissimilar metals

open access: yesCailiao gongcheng, 2022
A novel ultrasonic vibration enhanced friction stir welding (UVeFSW) process was employed to join the 6061-T6 aluminum alloy and QP980 high-strength steel.
WU Chenghao   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy