Results 31 to 40 of about 127 (93)

Microstructure and mechanical properties of refill friction stir spot welded joints: Effects of tool size and welding parameters

Journal of Materials Research and Technology, 2022
A novel refill friction stir spot welding (RFSSW) technique employing large-sized tools is proposed. The microstructure and mechanical properties of joints produced with a large-sized welding tool and a conventional tool are compared.
Yangfan Zou, Wenya Li, Xiawei Yang, Yu Su, Qiang Chu, Zhikang Shen   +5 more
doaj   +1 more source

Experimental and Numerical Investigation of Impact Resistance of Riveted and RFSSW Stringer-Stiffened Panels in Blunt Impact Tests

Transactions of FAMENA, 2020
Aluminium alloy sheets have come into widespread use in the design of stringer-stiffened aerospace structures. This paper evaluates experimentally and numerically the response of stringer-stiffened Alclad 7075-T6 aluminium alloy panels subjected to impact loading.
Kubit, Andrzej, Jurczak, Wojciech, Trzepiecinski, Tomasz, Faes, Koen   +3 more
openaire   +3 more sources

Thermo-mechanical and material flow characteristics of tool sequencing dynamics in refill FSSW of thin alclad AA7075-T6 sheets: Numerical analysis using meshless smoothed-particle hydrodynamics method

Journal of Advanced Joining Processes
This study is focused on improving the joint strength of AA7075-T6 specimens with aluminium cladding (alclad) joined through the refill friction stir spot welding (RFSSW) process.
Venkata Somi Reddy Janga, Mokhtar Awang, Nabihah Sallih, Tamiru Alemu Lemma   +3 more
doaj   +1 more source

Assessment Of Joints Using Friction Stir Welding And Refill Friction Stir Spot Welding Methods

Archives of Metallurgy and Materials, 2015
FSW (Friction Stir Welding) and RFSSW (Refill Friction Stir Spot Welding) joints have been increasingly used in industrial practice. They successfully replace fusion-welded, riveted or resistance-welded joints.
Lacki P., Więckowski W., Wieczorek P.
doaj   +1 more source

Effect of Tools Geometry and Dwell Time on Mechanical Properties and Macrograph of Two-Stage Refilled Friction Stir Spot Micro Weld [PDF]

MATEC Web of Conferences, 2019
In this present study, the two independent tools were used in the RFSSW process to joint similar material of AA1100 with a thickness of 0.42 mm using lap joint configuration.
Sunar Baskoro Ario, Azwar Amat Mohammad, Andre Widiyanto Muhammad   +2 more
doaj   +1 more source

Evaluation of quantitative ultrasonic C-scan testing for refill friction stir spot welding joints based on time-frequency analysis

Materials Research Express, 2023
This paper focuses on a comparative study of different ultrasonic feature-based C-scan testing imaging methods for characterizing refill friction stir spot welding (RFSSW) joints, and accurately identifying and measuring the nugget boundary.
Hua Zhong, Guocheng Xu, Juan Dong, Guanghao Zhou, Yuting Lin, Qiuyue Fan, Xiaopeng Gu   +6 more
doaj   +1 more source

Effect of Different Friction Stir Spot Welding Techniques on the Mechanical Properties and Microstructure of Aluminum AA2024-T3

مجلة النهرين للعلوم الهندسية, 2019
This paper presents a comparison of using different techniques for stir spot welding of Aluminum 2024-T3, which are refill friction stir spot welding (RFSSW), edited (RFSSW-pin) and conventional friction stir spot welding (FSSW), depending on the ...
Akeel Z. Mahdi, Samir A. Amin, Sadeq H. Bakhy   +2 more
doaj   +1 more source

Microstructures Evolution in Refill Friction Stir Spot Welding of Al-Zn-Mg-Cu Alloy

Metals, 2020
In this study, Al-Zn-Mg-Cu alloy was refill friction spot welded, and the precipitates, dislocation, recovery, and recrystallization characteristics were focused. In the stir zone (SZ), continues dynamic recrystallization occurs under the intense plastic
Yunqiang Zhao, Chunlin Dong, Chungui Wang, Shu Miao, Jinhong Tan, Yaoyong Yi   +5 more
doaj   +1 more source

Recent developments in tensile properties of friction welding of carbon fiber-reinforced composite: A review

Nanotechnology Reviews, 2022
In this review article, the joining of carbon fiber-reinforced polymer composite with metallic materials by using friction welding techniques was discussed and the effects of process parameters on the weld properties were evaluated.
Asmael Mohammed, Safaei Babak, Kalaf Omer, Zeeshan Qasim, Aldakheel Fadi, Nasir Tauqir, Yang Zhicheng   +6 more
doaj   +1 more source

EFFECT OF PROCESS PARAMETERS ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF RFSSW LAP JOINTS OF THIN AL7075-T6 SHEETS

Archives of Metallurgy and Materials, 2018
1. Financial support of The National Centre for Research and Development, European Union, PZL Mielec A Sikorsky Company in the framework of European Regional Development Fund Project “Advanced techniques for the fabrication of airframe structures using innovative friction stir welding (FSW) technology”, Nr INNOLOT/I/4/NCBR/2013 is gratefully ...
Andres, J., Wrońska, A., Gałaszczyński, T., Luty, G., Burek, R.   +4 more
openaire   +1 more source