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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
... Abstract Rotary swaging is an incremental metalworking process for reducing the cross-sectional area or otherwise changing the shape of bars, tubes, or wires by repeated radial blows with two or more dies. This article discusses the applicability of swaging and metal flow during swaging. It...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006255
EISBN: 978-1-62708-169-6
... ). Similar stress-relief anneals are suitable for welded or heavily machined tungsten. For swaging of pure tungsten, no recovery anneals are needed. Ingots with a cross section of 16 by 16 mm (0.6 by 0.6 in.) can be swaged to 2.54 mm (0.100 in.) with reheats after every pass ( Ref 2 ). For diameters below...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003994
EISBN: 978-1-62708-185-6
... are typically forged at temperatures higher than molybdenum or TZM because of their higher strengths, and in the case of tungsten, its lower forgeability. Molybdenum-rhenium alloys can be readily hot worked via extrusion, forging, swaging, and rolling, and Mo-47.5Re can also be cold swaged or cold...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003166
EISBN: 978-1-62708-199-3
... poured into either castings of the desired shape or ingots for subsequent metalworking. The ingots are then formed by hot working processes such as rolling, forging, or extrusion, sometimes followed by secondary warm or cold rolling or swaging. Cast or wrought uranium parts exhibit typical metallic...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000601
EISBN: 978-1-62708-181-8
..., was made by vacuum induction melting, chill casting, and swaging. Heat treatment: recrystallize for 30 min at 850 °C (1560 °F), austenitize for 1 h at 1100 °C (2010 °F), air cool. Sample was tensile tested at 700 °C (1290 °F) and an initial strain rate of 1.1× 10 −6 /s. Test was interrupted other 12 h...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003155
EISBN: 978-1-62708-199-3
... > 120 K). Oxide-base superconductors in wire or tape form are produced by packing the powder in a silver tube, which is then swaged or drawn into a wire, or if desired, rolled into a tape. ...
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
... seamless tubing, a circular sheet or plate is hot cupped in a press through several pairs of conical dies, each successive pair being deeper and more nearly cylindrical than the previous set. The rough tube then is drawn to finished size. In tube reducing by rotorolling or pilgering and in swaging, a...
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
.... Most open-die forgings are produced in a pair of flat dies—one attached to the hammer or to the press ram, and the other to the anvil. Swage dies (curved), V-dies, V-die and flat-die combinations, FM (free from Mannesmann effect) dies, and FML (free from Mannesmann effect with low load) dies are also...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... regulators, magnetos, and electric razors. In low-voltage direct current (dc) devices, tungsten is always used as the negative contact, and is paired with a positive contact made of precious metal. Tungsten rods or strips that are consolidated by swaging or rolling from sintered powder compacts have very...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004014
EISBN: 978-1-62708-185-6
.... 2 Example of preform configuration compared with final configuration after flow forming, swaging, and machining. Dimensions are in inches. ID, inside diameter; OD, outside diameter Flow forming also offers flexibility for product designers who are seeking more unitized designs with such...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003151
EISBN: 978-1-62708-199-3
... intergranular fracture under tensile stresses. After billets and ingots have been reduced to more convenient sizes, the materials can be processed by conventional mill techniques, such as hot rolling, cold rolling, or swaging. Tungsten is consolidated to full density by three principal methods, two...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... “Forging Processes” in this Volume. Most open-die forgings are produced in a pair of flat dies—one attached to the hammer or to the press ram and the other to the anvil. Swage (semicircular) dies and V-dies are also commonly used. These...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003989
EISBN: 978-1-62708-185-6
... swage die configurations From a practicality standpoint, V-dies are more complex to fabricate and maintain than flat dies, and each set of dies will have a limited billet diameter that it can process. However, the improvements in throughput and shape control make this configuration very attractive...
Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
... Ingot to Billet” this Volume.) Cold-work radial forging (swaging) can be used to produce bars in primary metals production or to forge parts to close tolerances that are within a few machining steps of completion. The latter is commonly used by automotive parts manufacturers. In the simplest terms...
Book Chapter

By P.S. Grant
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005225
EISBN: 978-1-62708-187-0
... include: Hypereutectic aluminum-silicon-base alloys for cylinder liners (Peak, Germany). Spray cast preforms, such as that shown in Fig. 2 , are extruded and then swaged to parallel side tubes that are used directly as cylinder liners in engine blocks for a number of mass-production automotive...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000619
EISBN: 978-1-62708-181-8
...) and at tensile stress ranging from 7 to 20 MPa (1 to 3 ksi). The material was continuously cast into 19-mm ( 3 4 -in.) diam rod, swaged down to 14-mm (0.55-in.) diam, then machined into buttonhead specimens with gage sections 38 mm (1 1 2 in.) long and 6.4 mm ( 1 4 in.) in...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003149
EISBN: 978-1-62708-199-3
... from a mixture of crystal bar, sponge, and scrap. Wrought zirconium alloys and hafnium are processed by most available techniques including hot forging, hot and cold rolling, hot extrusion of tubing, and hot swaging and cold drawing of rod and wire. Zirconium castings for valves, pumps, and other...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003087
EISBN: 978-1-62708-199-3
... • — — — X X Rotary swaging X • • • • — — • X • • X X Machining Machining from stock • • • • • • • • — — — — — Electrochemical machining • • • • — — — — • • — X X Electrical discharge machining (EDM) X • • • • • — — — • — X X Wire EDM...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006256
EISBN: 978-1-62708-169-6
...). The 650 to 780 °C (1200 to 1435 °F) range is avoided because cracking commonly occurs at these temperatures. Secondary fabrication processes such as rolling, swaging, and straightening are commonly done between room temperature and 500 °C (930 °F). Following heat treatment, machining to final...