Characteristics of Friction Welding Between Solid Bar of 6061 Al Alloy and Pipe of Al-Si12CuNi Al Cast Alloy

Kimura, Masao; Sakaguchi, Hirozo; Kusaka, Masahiro; Kaizu, Koichi; Takahashi, Tomohira

doi:10.1007/s11665-015-1735-3

Cited by 16 publications

(4 citation statements)

References 33 publications

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“…However, strength in the 5000-series rises until −140 °C before declining at −163 °C. 5 Rotary friction welding (RFW) has made strides in dissimilar aluminium alloy bonding. Research explores welding variables influence on RFW joint properties, backed by macro and microstructure analyses.…”

Section: Introductionmentioning

confidence: 99%

Rotary friction welding properties of AA5083-H112/AA7075-T6 joints: Parameter and low temperature effect

Sasmito,

Suhartono,

Sunyoto

2024

Materials Science and Technology

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This study presents experimental findings from rotary friction welding of AA5083-H112 and AA7075-T6, conducted at consistent 1700 rpm rotational speed with four time intervals. The focus was on exploring the welding parameters influence on joint properties, assessed through mechanical testing, metallography and hardness tests. Prolonged welding led to elevated temperatures, expanding the heat-affected zone, grain growth and microhardness at the interface. The temperatures effect on joint toughness was evaluated through Charpy impact testing at different temperatures, showing lower impact strength at −192 °C. Fracture surfaces exhibited increased micro voids and dimples as the temperatures decreased. The study highlighted a positive link between extended welding times and improved cryogenic impact strength and mechanical properties.

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Section: Introductionmentioning

confidence: 99%

Rotary friction welding properties of AA5083-H112/AA7075-T6 joints: Parameter and low temperature effect

Sasmito,

Suhartono,

Sunyoto

2024

Materials Science and Technology

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“…Rotary friction welding (RFW) is a solid-state welding that has gained importance in the manufacturing industry due to its advantages over other joining processes including high reproducibility, short production time and low energy input. In addition, the welding process can be easily automated, and it is feasible for joining dissimilar materials [8,9]. As the name implies, RSW employs rotation to produce friction heat between two contacting surfaces combined with axial force to accomplish friction welding.…”

Section: Introductionmentioning

confidence: 99%

Effect of Rotational Speed on Static and Fatigue Properties of Rotary Friction Welded Dissimilar AA7075/AA5083 Aluminium Alloy Joints

Sasmito

Ilman

Iswanto

et al. 2022

Metals

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In this work, rotary friction welding processes of dissimilar AA7075/AA5083 aluminium alloy rods with the diameter of 15 mm were performed at varying rotational speeds, typically 370 to 2500 rpm. The aim of this research is to improve mechanical properties, in particular, strength and fatigue performance of the weld joints. Several experiments including macro and microstructural examinations, Vickers microhardness measurements, tensile tests, fatigue tests and residual stress measurements were carried out. Results showed that at higher rotational speeds, typically 540 rpm or above, the dissimilar AA7075/AA5083 rotary friction weld joints revealed a static fracture in the AA5083 base metal side, indicating that the joint efficiency is more than 100%. It seemed that the best weld joint was achieved at the rotational speed of 1200 rpm, in which the friction heat was sufficient to form metallurgical bonding without causing excessive flash and burn-off. In such a condition, the fatigue strength of the weld joint was slightly higher than AA5083 base metal, but it was lower than AA7075 base metal. It was confirmed that the crack origin is observed at the interface followed by fatigue crack growth towards AA5083 side, and the growth of crack seemed to be controlled by microstructure and residual stress.

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“…The best conditions for CDFW of another composite made of Al/SiCp utilizing Taguchi principles were investigated in an earlier study [19]. The joining of a solid bar of Al 6060 to a pipe made of Al-Si2CuNi alloy was also investigated [20]. Another composite material related CDFW study was concerned with joining Al/SiC to AISI 1030 steel; SiC particulates were used as a reinforcement material in AA 356 [21].…”

Section: Introductionmentioning

confidence: 99%

“…Figure20 shows the EDX point analysis for the MMC formed at the welding zone at at 1400 rpm, 2000 N and 5 sec in order to investigate the phases existed in the welding zone. The presence of carbon in the EDX refers to the presence of the GNPs within the MMC in an indication for homogeneous distribution to the GNPs within the matrix.…”

mentioning

confidence: 99%

Thermo-Mechanical and Microstructural Investigations of Aa 6061/GNPS Welded Joints Developed by Continuous Drive Friction Welding

Tashkandi¹,

Gamil

2022

Acta Metall Slovaca

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The paper provides a novel technique for merging graphene nanoplatelets (GNPs) within aluminium matrix (AA 6061) by continuous drive friction welding (CDFW). The welding processes were done at 1400 rpm and 2000 rpm rotational speeds with two different frictional loads 2000 N and 2500 N for 5 sec and 7 sec welding times. The welded joints were subjected to tensile and hardness tests. The heating-cooling cycles through the welding process were monitored. The microstructure investigation was performed using optical and scanning electron microscopes (SEM). The effect of welding conditions on the ultimate tensile strength (UTS) results of AA 6061 and AA 6061/GNPs were completely studied in details. There is no big detectable variation in the mean hardness values due to the GNPs addition. The best welding conditions for achieving the highest mechanical properties were defined. The presence of GNPs in the welded joints results in lower heating at the welded joint at the same welding conditions. Finer grain structure and homogeneous distribution for the GNPs within the welding zone were observed.

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Characteristics of Friction Welding Between Solid Bar of 6061 Al Alloy and Pipe of Al-Si12CuNi Al Cast Alloy

Cited by 16 publications

References 33 publications

Rotary friction welding properties of AA5083-H112/AA7075-T6 joints: Parameter and low temperature effect

Rotary friction welding properties of AA5083-H112/AA7075-T6 joints: Parameter and low temperature effect

Effect of Rotational Speed on Static and Fatigue Properties of Rotary Friction Welded Dissimilar AA7075/AA5083 Aluminium Alloy Joints

Thermo-Mechanical and Microstructural Investigations of Aa 6061/GNPS Welded Joints Developed by Continuous Drive Friction Welding

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