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upset butt welds

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Published: 01 January 2002
Fig. 57 Upset butt welded steel wire showing typical acceptable burrs on the welds. Dimensions given in inches More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... welding processes. The article also describes failure origins in other welding processes, such as electroslag welds, electrogas welds, flash welds, upset butt welds, flash welds, electron and laser beam weld, and high-frequency induction welds. arc welding brittle fracture electrogas welds...
Image
Published: 31 October 2011
Fig. 10 Upset weld configurations in butt welds of pipe with an outside diameter of 25 mm (1 in.) and a wall of 3 mm (0.1 in.). Upset has been machined from the outside surface (on left). The internal upset configuration was controlled by adjusting weld parameters and joint design. (a) Minimum More
Image
Published: 01 January 1993
Fig. 1 Upset weld configurations in butt welds of pipe with an outside diameter of 25 mm (1 in.) and a wall of 3 mm (0.1 in.). Upset has been machined from the outside surface (on left). The internal upset configuration was controlled by adjusting weld parameters and joint design. (a) Minimum More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005633
EISBN: 978-1-62708-174-0
... Abstract Flash welding, also called flash butt welding, is a resistance welding process in which a butt joint weld is produced by a flashing action and by the application of pressure. The flash welding process consists of preweld preparation, flashing, upsetting (forging), and postweld heat...
Image
Published: 31 October 2011
Fig. 18 (a) Schematic outline of cold butt welding with multiple upset. (b) Cold-butt-welded copper bar with a cross section of 3 × 5 mm (0.12 × 0.20 in.). Source: Ref 16 More
Image
Published: 01 January 1993
Fig. 3 Cold pressure butt welding of two bars using multiple-step upsetting method More
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006514
EISBN: 978-1-62708-207-5
... Abstract The resistance welding processes commonly employed for joining aluminum are resistance spot welding, resistance seam welding, resistance roll welding, upset and flash welding for butt joining welding, and high-frequency resistance welding. This article discusses the general factors...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001378
EISBN: 978-1-62708-173-3
.... Fig. 3 Cold pressure butt welding of two bars using multiple-step upsetting method Cold pressure butt welding may require one or more steps of upsetting. The parameter characterizing the weld is the surface extension parameter, V o : (Eq 1) V o = ( A s A o...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005567
EISBN: 978-1-62708-174-0
... of extrusion welding over other methods of deformation butt welding of tubes is that there is no flash or upset to remove following extrusion. Fig. 3 Design for butt welding of tubes by extrusion Common Metals Welded The most common metals welded by the coextrusion process include low-carbon...
Book Chapter

By W.R. Kanne, Jr.
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001367
EISBN: 978-1-62708-173-3
... friction welds, which are also solid-state welds. The amount of deformation is usually less for upset welds, and the deformation can be more precisely controlled using upset welding. For example, a pipe butt weld made using inertia friction welding will have a large upset on both the inside and outside...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001377
EISBN: 978-1-62708-173-3
... are heated to the welding temperature and then applied with blows sufficient to cause permanent deformation at the faying surfaces. It is most commonly applied to the butt welding of steels. As contrasted with hot pressure (thermocompression) welding of ductile face-centered cubic (fcc) metals, which...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001379
EISBN: 978-1-62708-173-3
... ). The leading tube contains the female portion of the beveled joint and is the stronger of the two metals in dissimilar metal joints. Extrusion press die angles of 30 to 35° are common. An advantage of extrusion welding over other methods of deformation butt welding of tubes is that there is no flash or upset...
Image
Published: 31 October 2011
Fig. 4 Thermomechanical modeling results showing the relationship between flashing acceleration, upset distance, and contact surface strain for flash-butt welding mild steel More
Image
Published: 01 January 1993
Fig. 5 Copper-aluminum joint obtained by butt welding of two 20 mm ( 25 32 in.) components using two different techniques. (a) Continuous thrust method. (b) Multiple-step upsetting method More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001381
EISBN: 978-1-62708-173-3
..., and axial force. During welding, there is not only an axial shortening of the part length, often called axial displacement or upset, but also a resisting torque of friction to rotation, which also undergoes change. Figure 3 shows the change in various events occurring throughout the whole process. Based...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005574
EISBN: 978-1-62708-174-0
... dies is shown schematically in Fig. 5 . Fig. 4 Thermomechanical modeling results showing the relationship between flashing acceleration, upset distance, and contact surface strain for flash-butt welding mild steel Fig. 5 Use of pinch-off dies in upset welding processes to localize...
Book Chapter

By Niels Bay
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005581
EISBN: 978-1-62708-174-0
... of electrical resistance in the welds. Fig. 18 (a) Schematic outline of cold butt welding with multiple upset. (b) Cold-butt-welded copper bar with a cross section of 3 × 5 mm (0.12 × 0.20 in.). Source: Ref 16 Cold butt welding is applied for joining wire ends in wire-drawing production...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003209
EISBN: 978-1-62708-199-3
... have similar characteristics to inertia friction welds, which are also solid-state welds. The amount of deformation is usually less for upset welds, and the deformation can be more precisely controlled using upset welding. For example, a pipe butt weld made using inertia friction welding will have...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005583
EISBN: 978-1-62708-174-0
... RESISTANCE WEL-DING (HFRW) is a resistance welding process that uses high-frequency currents to concentrate the welding heat at the desired location. The heat generated by the electrical resistance of the workpiece to high-frequency currents produces the coalescence of metals, and an upsetting force usually...