1-20 of 77 Search Results for

upset butt welds

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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...
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...
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...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001366
EISBN: 978-1-62708-173-3
..., control the weld current, and precisely control the platen position during flashing and upsetting. These controls often comprise programmable controllers, welding current controllers, and either motor or servovalve controllers. Silicon-controlled rectifier (SCR) contactors (solid-state switches) are used...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005625
EISBN: 978-1-62708-174-0
... projections, the fit-up tolerance must be tightened so that all of the projection areas can participate equally. Resistance welding can be used to create butt joints rather than lap joints, using processes such as flash welding, upset welding, and high-frequency induction (HFI) welding, as is widely used...
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
... bond, upsetting is performed two to six times. When welding aluminum-aluminum, aluminum-copper, and copper-copper, the weld strength is greater than the base-metal strength, and there is no increase of electrical resistance in the welds. Fig. 18 (a) Schematic outline of cold butt welding with...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005631
EISBN: 978-1-62708-174-0
... Flash welding (FW) … … X X … … X Upset welding (UW) … … X X … … X Oxyfuel gas Oxyacetylene welding (OAW) X … X X X X X Oxyhydrogen welding (OHW) X … X X … … X Pressure gas welding (PGW) X … X … … … X Solid state (b) Cold welding (CW) … … X...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003209
EISBN: 978-1-62708-199-3
... 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, whereas an upset weld can be controlled, through joint design and welding parameters, to have essentially no...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
... casting may result in the upsetting or distortion of the hot, expanding metal in the weld zone. When upsetting of the weld zone does not occur during heating, stresses can develop away from the weld zone, which may also lead to warping or fracture. On cooling, solidification shrinkage of the weld metal...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001443
EISBN: 978-1-62708-173-3
... cross-wire welding flash welding high-frequency resistance welding projection welding resistance seam welding resistance spot welding resistance welding seam welding machines stainless steels upset welding welding electrodes RESISTANCE WELDING (RW) encompasses a group of processes in which...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001437
EISBN: 978-1-62708-173-3
... welding, and when a high hold-down pressure is used, the heat of welding creates an expansive force that results in compression in the line of the weld. This compression will have an upsetting effect on the hot weld metal and can cause the weld to develop a slight top and bottom crown, or weld...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005552
EISBN: 978-1-62708-174-0
...: Ref 2 Another hybrid method involves welds to be formed when two parts are slowly brought into contact to first arc (across initial points of contact) and then heat by Joule (I 2 R) heating. The weld is fully formed when the two parts are rammed together using an upsetting force. Two of these...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... examinations are only effective for surface defects, which are not common in this process. If impurities are properly dispelled during upsetting, friction or inertia welds are generally free of voids and inclusions. Incomplete center fusion can occur when flywheel speed is too low, when the amount of upset...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006510
EISBN: 978-1-62708-207-5
... Abstract Weldability is a function of three major factors: base material quality, welding process, and design. This article focuses on base-metal weldability of aluminum alloys in terms of mechanical property degradation in both the weld region and heat-affected zone, weld porosity, and...
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
.... 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 to remove following extrusion. Typical joint configurations used for automatic forge welding operations are shown in Fig. 3...
Book Chapter

By R.J. Glodowski
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001016
EISBN: 978-1-62708-161-0
... Abstract Wire rod is a semifinished product rolled from billet on a rod mill and is used primarily for the manufacture of wire. Steel wire rod is usually cold drawn into wire suitable for further drawing; for cold rolling, cold heading, cold upsetting, cold extrusion, or cold forging; or...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001421
EISBN: 978-1-62708-173-3
... conventional aluminum alloys is typically characterized by very fast flashing rates and upset velocities. Similar approaches are recommended for the flash welding of Al-MMCs. Other process features that contribute to weld quality are the use of shielding gases during flashing (minimizing bond-line oxidation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... processes in which metal-to-metal bonding is accomplished by using heat caused by the flow of high-frequency current at the faying surfaces, with upsetting forces perpendicular to the interface added in most cases. Although similar in many respects, two separate high-frequency welding processes can be...