Results 21 to 30 of about 3,324 (206)

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

APL 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, Chunguang Xu, Wenkai Li, Zekai Wang, Tingting Hao, Lin Wang   +5 more
doaj   +1 more source

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

Cailiao 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, LIU Tao, GAO Song, SHI Lei, LIU Hongtao   +4 more
doaj   +1 more source

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

Cailiao 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, WANG Tianzheng, ZHOU Haipeng, AO Sansan, LI Yang   +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

Journal 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, Wanting Wang, Daxin Ren, Kunmin Zhao   +3 more
doaj   +1 more source

Three-dimensional simulation of finite element ultrasonic welding of aluminum alloy AA-6061

Journal of Mechanical Engineering and Sciences
Ultrasonic metal welding is often used as a rapid and effective technique for joining sheet metals without causing them to melt. Precise management of the welding process parameters is crucial for achieving excellent joint quality. However, modeling the
My Nu Ho Thi, Cao Ky Dinh Le, Truyen Le The   +2 more
doaj   +1 more source

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

Cailiao 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

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
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, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

Challenges in Contacting Metal–Polymer Current Collectors in Pouch Cells

Journal of Manufacturing and Materials Processing, 2023
Recent research focuses on replacing metal current collectors with metallized polymer foils. However, this introduces significant challenges during cell production, as manufacturing steps must be adapted.
Hakon Gruhn, Tobias Krüger, Malte Mund, Maja W. Kandula, Klaus Dilger   +4 more
doaj   +1 more source

Resistance Rapid Heating of Aluminum Coatings in an Extreme High Vacuum–Adequate Atmosphere for Hot Stamping

Advanced Engineering Materials, EarlyView.
The subject of this work is the development of a corrosion‐protective coating on steel sheets for form hardening. Rapid heating in an extreme high vacuum (XHV)‐adequate atmosphere is a useful method to prevent oxidation during alloying of 22MnB5 and aluminum to obtain a metallurgical bonding.
Lorenz Albracht, Alexander Schnettger, Ulrich Holländer, Sven Hübner, Bernd‐Arno Behrens, Hans Jürgen Maier   +5 more
wiley   +1 more source

Follow-up ultrasonic vibration assisted laser welding dissimilar metals for nuclear reactor pump can end sealing

Nuclear Materials and Energy, 2021
A novel follow-up ultrasonic vibration assisted welding process was proposed to reduce the common defects in laser welding of dissimilar metals for nuclear reactor pump can end sealing, such as unmixed zone, precipitated phase, and uneven element ...
Siyu Zhou, Baoxing Wang, Dongjiang Wu, Guangyi Ma, Guang Yang, Wenyi Wei   +5 more
doaj   +1 more source