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upset welding

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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
... Abstract Upset welding (UW) is a resistance welding process utilizing both heat and deformation to form a weld. A wide variety of shapes and materials can be joined using upset welding in either a single-pulse or continuous mode. This article discusses the advantages and disadvantages of upset...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003209
EISBN: 978-1-62708-199-3
... Abstract This article describes the mechanism, advantages and disadvantages, fundamentals, capabilities, variations, equipment used, and weldability of metals in solid-state welding processes, including diffusion bonding, explosion welding, friction welding, ultrasonic welding, upset welding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003209
EISBN: 978-1-62708-199-3
...Abstract Abstract This article describes the mechanism, advantages and disadvantages, fundamentals, capabilities, variations, equipment used, and weldability of metals in solid-state welding processes, including diffusion bonding, explosion welding, friction welding, ultrasonic welding, upset...
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.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...
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
... is: Apply sufficient pressure to firmly seat the faying surfaces against one another. Heat the joint to welding temperature. Rapidly apply additional pressure to mechanically upset the weld zone. Typical weld durations are 1 to 2 min. A less common procedure is to initially apply high pressure...
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...
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
... to upset the weld zone. Typical weld durations are 1 to 2 min. A less common procedure is to initially apply high pressure and permit deformation to occur during the heating cycle. Most forge welding employs sufficient pressure to upset the surface until the increase in the surface area is 125% or more...
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
.... Other methods of RW include: Upset welding is a solid-state variation of RW. Rather than fusion (melting followed by coalescence), the primary method of creating a joint during upset welding is on forging (“upsetting”) with some resistance heating to improve plastic deformation during upsetting...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.9781627081740
EISBN: 978-1-62708-174-0
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
... decomposition retained oxide dissociation solid-state bonding solid-state welding SOLID-STATE WELDING PROCESSES encompass all the methods in which metallic bonding occurs without the presence of resolidified liquid metal. These processes range from cold methods (cold-pressure welding) to hot upset...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
.... As Fig. 1 shows, the cost of oxyfuel gas welding equipment is about $1000, whereas a highly automated laser beam or electron beam system can cost $1 million. The percussion welding process is closely allied with flash welding (a resistance welding method) and upset welding (a resistance solid-state...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
... is also commonly referred to as diffusion bonding (DB) Explosion welding (EXW) Forge welding (FOW) Cold welding (CW) Coextrusion welding (CEW) Roll welding (ROW) Friction welding (FRW) Ultrasonic welding (USW) Upset welding (UW) Process conditions with each of these methods...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005647
EISBN: 978-1-62708-174-0
... TTT time-temperature transformation TW thermit welding; thermite welding UNS Unified Numbering System USW ultrasonic welding UTS ultimate tensile strength UW upset welding v velocity V volt VIM-VAR vacuum induction melted-vacuum arc remelted vol volume vol...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005515
EISBN: 978-1-62708-197-9
... zone; TMAZ, thermomechanically affected zone. Source: Ref 31 Fig. 10 Characteristic predicted (lines) and measured (data points) variations in (a) angular velocity and (b) axial upset through the inertia welding process for nickel alloy cylinders (ω 0 = 7.667 rev/s; I 0 = 102 kg/m 2...
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
... or dissimilar metals are jointly upset. The two bars are placed in a device or machine having suitable clamping shoes ( Fig. 3 ). The compressive force applied along the axis of the bars causes an expansion of the contact surfaces and forms a bulb. Both bar ends will weld together when the contact surfaces have...
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
... rely on the control of the process and the machine that is used to produce the welds. In direct-drive FRW, both rotational speed and axial force affect axial shortening or upset in addition to the mechanical properties of the weld produced. There can be a correlation between the upset...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
... (FW) commonly is used to join sections of metals and alloys in production quantities. It is a resistance/forge welding process in which the items to be welded are securely clamped to electric current-carrying dies, heated by the electric current, and upset ( Fig. 9 ). Clamping ensures good electrical...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003207
EISBN: 978-1-62708-199-3
.../forge welding process in which the items to be welded are securely clamped to electric current-carrying dies, heated by the electric current, and upset ( Fig. 9 ). Clamping ensures good electrical contact between the current-carrying dies and the workpiece and prevents the parts from slipping during...