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upset welding

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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 Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... the specific forging, thus minimizing loss from cropped ends and excess flash. Procedures that eliminate or minimize machining, such as combined upsetting and piercing, should be used. Backstop tongs should be used to avoid loss in cropped ends. Welded-on or embedded tongholds should be used...
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 the...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.9781627081733
EISBN: 978-1-62708-173-3
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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... computer-aided design in the forging industry. Additionally, the article reviews specific characteristics, process limitations, advantages, and disadvantages of the most common forging processes, namely hot upset forging, roll forging, radial forging, rotary forging, isothermal and hot-die forging...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
... include: Diffusion welding (DFW), which 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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
... require fasteners specifically designed for this task ( Fig. 18 ). These specialty fasteners are designed to form large, blind-side upsets against the composite material without damaging the laminate. A large-diameter footprint is required to reduce bearing stresses due to flight loads. The manner in...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
... diameter. Size designations refer to actual outside diameter and weight per foot. Drill pipe is usually upset, either internally or externally, or both, and is prepared to accommodate welded-on types of joints. Casing is used as a structural retainer for the walls of oil or gas wells, to exclude...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003116
EISBN: 978-1-62708-199-3
... for stainless steels. Alloys toward the top of the figure are more difficult to hot work; those toward the bottom are easier to hot work. Small amounts of delta ferrite can impair the forgeability of some austenitic types—particularly in upset forging, where some of the tangential tensile...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005322
EISBN: 978-1-62708-187-0
... the welding, machining and grinding, and coating of the types of cast iron. annealing surface hardening cast iron chemical composition coating grinding heat treatment machining magnetic properties materials selection microstructure normalizing physical properties solidification...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003992
EISBN: 978-1-62708-185-6
... difficult alloys to forge are those with the greatest strength at elevated temperatures. Open-die, closed-die, upset, and roll forging and ring rolling are among the methods used to forge stainless steel. As in the forging of other metals, two of these methods are...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... casting methodology. This low fluidity may result in shrinkage cavities forming in areas of a casting where flow conditions are upset. Therefore, zirconium requires larger or greater numbers of metal distribution gates and additional risers to minimize shrinkage voids. All castings have volumetric...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003997
EISBN: 978-1-62708-185-6
..., such as gears, bearings, and hydraulic pumps. Upset forging is seldom applied to copper alloys because the materials are so easily extruded. A copper nail can be made by extruding the shaft from the head, whereas steel requires upsetting the head from the shaft. Some products do benefit from...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
...-circular cylinders between flat, parallel dies (a generic upsetting operation) and pressing of long, round bars along their lateral surfaces, also between flat, parallel dies—a process aptly known as sidepressing . The former is perhaps the simplest type of axisymmetric deformation, and the latter the...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003978
EISBN: 978-1-62708-185-6
... expensive, and such forgings are produced only under unusual circumstances. Generally, most open-die forgings can be grouped into four categories: cylindrical (shaft-type forgings symmetrical about the longitudinal axis), upset or pancake forgings, hollow (including mandrel and shell-type forgings), and...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
... (A). 2.25× Fig. 758 A Surface of a fatigue fracture that originated at the inside of a hollow drill of AISI W1 tool steel. Fracture initiation was attributed to distortion of the bore of the drill during the production of a hot upset joint. 1.8× Fig. 759 Five fatigue-fracture...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... an upset area that occurred during shrink-fit insertion of the plug. The upset area provided high contact pressure between the plug and the hole, resulting in a high hoop tension stress condition. (f) A typical section adjacent to the interference-fit hole (arrow B) showing intergranular crack growth...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004036
EISBN: 978-1-62708-185-6
... replacement or modification of the closed-die hammer and press process by other forging processes, such as no-draft forging, ring rolling, upset forging, or piercing and extruding. Each of these processes will affect the location of flash and fix the location within narrow limits. A third control available...