Friction Welding

Akinlabi, Esther Titilayo; Mahamood, Rasheedat M.

doi:10.1007/978-3-030-37015-2_2

Cited by 2 publications

(2 citation statements)

References 27 publications

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“…The solid-state welding technique with less welding heat input is able to suppress the width of the welded joint zone and the eutectoid transformation, thus making a sound welded joint with excellent mechanical properties. Continuous-drive friction welding (CDFW) is a basic mode of a solid-state welding method with the advantages of high joining quality, high production efficiency, energy-saving, and pollution-free [16,17]. It has been widely used in the realms of aviation, aerospace, oil drilling, automobile manufacturing, etc.…”

Section: Introductionmentioning

confidence: 99%

Influence of CDFW Process Parameters on Microstructure and Mechanical Properties of U75V Rail Steel Welded Joint

Zhang

Chang-an

Zhu

2022

Metals

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In the present paper, the continuous-drive friction welding (CDFW) technology has been successfully applied to join the U75V rail steel. The base metal (BM) of U75V rail steel is lamellar pearlite, and the weld zone could be clearly divided into three subzones (i.e., heat affected zone, thermo-mechanical affected zone (TMAZ), and central weld zone (CWZ)). Electron back-scattered diffraction examinations revealed the martensitic evolution in TMAZ and CWZ, suggesting that the experienced high temperature, severe plastic deformation, and fast cooling rate induce the microstructure transition during the CDFW process. The hard and brittle martensite structure explains the raised microhardness profiles and the reduced impact absorption energy of the as-welded joints. The CDFW process parameters govern the joint properties via influencing the welding heat input and plastic deformation by spindle speed and friction pressure at the friction stage, and the plastic deformation layer (flash) extrusion by upsetting pressure at the upsetting stage. More favorable results could be obtained at small set values of spindle speed (1800 rpm) and friction pressure (75 MPa) with less heat input and plastic deformation, and a large set value of upsetting pressure (175 MPa) with more flash extrusion, whose tensile strength reached 94.3% of that of the BM.

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Section: Introductionmentioning

confidence: 99%

Influence of CDFW Process Parameters on Microstructure and Mechanical Properties of U75V Rail Steel Welded Joint

Zhang

Chang-an

Zhu

2022

Metals

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“…There are phenomena different from those occurring during friction welding of rods with equal cross section. [1,[3][4][5]…”

Section: Introductionmentioning

confidence: 99%

Welding of Valve Steels of Different-Sized Cross Sections

Osipov

Bezgans

Lodkov

2019

MSF

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This paper considers the results of studies of the welded joints formation in conventional friction welding of pieces with different-sized cross sections. The features of the formation of joints associated with the asymmetry of the temperature field in the pieces are defined. The results of studies of the main parameters of the welding process are given which influence on the appearance, the microstructure of the joints and the valve after the stamp. The optimum parameters of the welding mode are set; recommendations are given.

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Friction Welding

Cited by 2 publications

References 27 publications

Influence of CDFW Process Parameters on Microstructure and Mechanical Properties of U75V Rail Steel Welded Joint

Influence of CDFW Process Parameters on Microstructure and Mechanical Properties of U75V Rail Steel Welded Joint

Welding of Valve Steels of Different-Sized Cross Sections

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