Results 21 to 30 of about 6,687 (249)

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

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

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

Local Plastic Deformation and Quality of Cu-Cu Joints Obtained by Ultrasonic Welding

open access: yes, 2023
Joints of copper sheets with a thickness of 0.8 mm were produced by ultrasonic welding. To assess the quality of the joints, tensile lap-shear strength, area fraction of bonding, distributions of normal strains in the cross sections of welded samples ...
Mariya A. Murzinova   +4 more
core   +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

Research on ultrasonic welding of copper wire harness and aluminum alloy: based on experimental method and GA-ANN model

open access: yesJournal of Materials Research and Technology, 2023
Ultrasonic welding can realize the high-strength connection between wire harnesses, and has the technical characteristics of energy conservation and environmental protection, so it has a broad application prospect in the field of new energy vehicles ...
Dewang Zhao   +3 more
doaj   +1 more source

Recrystallization Behavior of a Pure Cu Connection Interface with Ultrasonic Welding

open access: yes, 2020
Three-dimensional metal waveguide components are key components in the next generation of radio telescopes. Ultrasonic additive manufacturing technology combining ultrasonic welding and micro electrical discharge machining (micro-EDM) provides a new ...
Zhengqiang Zhu   +4 more
core   +1 more source

Research status of ultrasonic continuous welding of carbon fiber reinforced thermoplastic composites

open access: yesCailiao gongcheng
Carbon fiber reinforced thermoplastic composites(CFRTP) have superior comprehensive mechanical property,as well as rapid prototyping,weldability and recyclability.The application of CFRTP are gradually increasing in aerospace,vehicle manufacturing and ...
ZHANG Zhaolong   +4 more
doaj   +1 more source

Research progress in ultrasonic testing for friction stir welding of aluminum alloy

open access: yesCailiao gongcheng, 2022
The defects in friction stir welding (FSW) of aluminum alloy, e.g., tunnel defect, lack of penetration (LOP) and kissing bond, are with complex shape and narrow gap by inappropriate welding parameters.
JIN Shijie, TIAN Xin, LIN Li
doaj   +1 more source

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