Processing and tooling considerations in joining by forming technologies; part B—friction-based welding

Salamati, Masoud; Soltanpour, Mahdi; Fazli, Ali

doi:10.1007/s00170-019-04845-1

Cited by 9 publications

(1 citation statement)

References 266 publications

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“…Seven different welding rotational speeds are used for RFW. Figure 13 shows the welded parts of RFW using seven different rotational speeds after removing the flash collar [34]. The height of the flash is about 1.15-5.1 mm.…”

Section: Resultsmentioning

confidence: 99%

Rotary Friction Welding of Polyetheretherketone Biopolymer Rods Using Variable Rotational Speed

Kuo,

Liang,

Huang

et al. 2023

Polymers

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Polyetheretherketone (PEEK) is a promising biomaterial due to its excellent mechanical properties. Most PPEK manufacturing methods include additive manufacturing, injection molding, grinding, pulse laser drilling, or incremental sheet forming. Rotary friction welding (RFW) is a promising bonding technique in many industries. However, very few studies have focused on the RFW of PEEK. Conventionally, the number of revolutions is fixed during the welding process. Remarkably, the rotary friction welding of PEEK polymer rods using an innovative variable rotational speed is investigated in this study. The average bending strength of the welded part using a three-stage transformation rotational speed was enhanced by about 140% compared with a rotational speed of 1000 rpm. The advantage of computer numerical controlled RFW of PEEK using variable rotational speed is a reduced cycle time of RFW. A reduction in cycle time of about 6% can be obtained using the proposed RFW with a three-stage transformation rotational speed. The innovative approach provides low environmental pollution and high energy efficiency and complies with sustainable development goals.

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Section: Resultsmentioning

confidence: 99%

Rotary Friction Welding of Polyetheretherketone Biopolymer Rods Using Variable Rotational Speed

Kuo,

Liang,

Huang

et al. 2023

Polymers

View full text Add to dashboard Cite

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Effect of faying surfaces and characterization of aluminium AA6063–steel AISI304L dissimilar joints fabricated by friction welding with hemispherical bowl and threaded faying surfaces

Murugan

Sathiya

Haq

2021

Int J Adv Manuf Technol

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This work describes the effect of newly introduced faying surfaces on the microstructure and the mechanical properties of dissimilar weld joints of AA6063 and AISI304L alloys that fabricated through the rotary friction welding process (RFW). The experiments were done as six different experimental methods ('A' to 'F') at 1300 rpm rotation, 18 MPa friction pressure (FP), 24 MPa upset pressure (UP) and 5 sec friction time (FT) with the faying surfaces of hemispherical bowl and thread of 1 mm pitch on the weld specimens. The fabricated joints and the weld zones were characterized by macro and micro-study, Energy Dispersive X-ray Spectroscopy (EDS) spectrums, tensile properties, Vickers microhardness, impact toughness and fractography. The results showed that these faying surface modi cations strengthen the bonding between the weld specimens and in uences the performance of the joints. The hemispherical bowl showed better results than the threaded surfaces. Axial shortenings were within the acceptable limit in the range of 20-27 mm. Macro and microstructural studies showed the defect-free weld joints and the strong bonding between AA6063 and AISI304L alloys. The hemispherical faying surface on AISI304L alloy formed a U-shaped weld interface (WI) in the dissimilar joints. EDS proved the formation of the Fe-Al intermetallic and the element 'O' at weld zone. The joint e ciency for all the methods was around ≥ 100%. Maximum tensile strength was recorded as 238 MPa for method 'F'. The threaded surface showed good hardness property nearby WI and method 'A' yielded maximum impact toughness for the joint.

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Development and application of a mold clamping mechanism for improving dimensional accuracy of vacuum casting parts and reducing mold production cost

Kuo

Liu

et al. 2021

Int J Adv Manuf Technol

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Processing and tooling considerations in joining by forming technologies; part B—friction-based welding

Cited by 9 publications

References 266 publications

Rotary Friction Welding of Polyetheretherketone Biopolymer Rods Using Variable Rotational Speed

Rotary Friction Welding of Polyetheretherketone Biopolymer Rods Using Variable Rotational Speed

Effect of faying surfaces and characterization of aluminium AA6063–steel AISI304L dissimilar joints fabricated by friction welding with hemispherical bowl and threaded faying surfaces

Development and application of a mold clamping mechanism for improving dimensional accuracy of vacuum casting parts and reducing mold production cost

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