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Published: 30 November 2018
Fig. 11 (a) Examples of sheet metal joints created by seaming (hemming). (b) Examples of cupped or tubular parts with seamed joints More
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Published: 01 January 2005
Fig. 5 Four degrees of susceptibility to seaming during thread rolling. (a) Negative susceptibility to form seams. Metal flow adjacent to the die surface is slower than in the middle of the roll form. This is characteristic of metals having a relatively high coefficient of friction More
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Published: 01 January 1989
Fig. 5 Four degrees of susceptibility to seaming during thread rolling. (A) Negative susceptibility to form seams. Metal flow adjacent to the die surface is slower than in the middle of the roll form. This is characteristic of metals having a relatively high coefficient of friction More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005608
EISBN: 978-1-62708-174-0
... Abstract This article describes the process applications, advantages, and limitations of resistance seam welding. The fundamentals of lap seam welding are also reviewed. The article details the types of seam welds, namely, lap seam welds and mash seam welds, and the processing equipment used...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001365
EISBN: 978-1-62708-173-3
... Abstract Resistance seam welding (RSEW) is a process in which the heat generated by resistance to the flow of electric current in the work metal is combined with pressure to produce a welded seam. This article discusses the various classes of the RSEW process, namely roll spot welding...
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Published: 01 January 1993
Fig. 11 Process variations of seam welding. (a) Lap seam welding. (b) Mash seam welding. (c) Metal finish seam welding. (d) Electrode wire seam welding. (e) Foil butt seam welding More
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Published: 01 January 2002
Fig. 26 Seam in rolled 4130 steel bar (a) Closeup of seam. Note the linear characteristics of this flaw. (b) Micrograph showing cross section of the bar. Seam is normal to the surface and filled with oxide. 30× More
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Published: 01 January 2006
Fig. 17 Muffler lock seam constructions. The double-lock seam construction (right) helps prevent liquid penetration between the wraps. More
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Published: 30 August 2021
Fig. 9 Seam in rolled 4130 steel bar. (a) Closeup of seam. Note the linear characteristics of this flaw. (b) Micrograph showing cross section of the bar. Seam is normal to the surface and filled with oxide. Original magnification: 30× More
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Published: 15 January 2021
Fig. 36 (a) Surface of Ti-6Al-4V bar with seams. (b) Section through seams showing oxide and blunt tips. Kroll’s etch More
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Published: 31 October 2011
Fig. 2 (a) Lap seam weld, (b) mash seam weld with flat electrodes, and (c) mash seam weld with radiused (contoured) electrodes. Flat electrodes in mash seam welding should not be used when sheet thickness is less than 1mm (0.040 in.). Radiused electrodes can be used for sheet thicker than 1mm More
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Published: 31 October 2011
Fig. 18 Diagrams of seam and mash seam welding More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005640
EISBN: 978-1-62708-174-0
... with seam welding. It concludes with a discussion on the welding equipment and other factors associated with resistance spot and seam welding. aluminum alloys copper alloys electrode force low-carbon steel resistance spot welding seam welding stainless steel surface preparation weld lobe weld...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
... Abstract This article discusses the three characteristics that are important in evaluating and selecting metals for thread rolling, namely, rollability, flaking, and seaming. It reviews the capabilities and limitations of flat-die rolling, radial-infeed rolling, tangential rolling, through-feed...
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...
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Published: 01 January 1987
Fig. 99 Fractures in AISI 5160 wire springs that originated at seams. (a) Longitudinal fracture originating at a seam. (b) Fracture origin at a very shallow seam, the arrow indicates the base of the seam. (J.H. Maker, Associated Spring) More
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Published: 01 January 2002
Fig. 2 4340 steel wing-attachment bolt that cracked along a seam. (a) Bolt showing crack (arrows) along entire length. (b) Branching cracks (arrows) at head-to-shank radius. (c) Head of bolt showing cracking (arrows) about halfway through bolt-head diameter. (d) Section through bolt showing More
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Published: 01 January 2002
Fig. 11 Failures in wire springs. (a) Longitudinal failure originating at a seam. 45×. (b) Origin of failure at a very shallow seam. The arrow indicates the base of the seam. 115× More
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Published: 01 January 2002
Fig. 32 Photograph of catastrophic fishmouth rupture of seam-welded high-energy piping. These failures are typically brittle and are not predicted using simple life fraction rule calculations. More
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Published: 01 January 2002
Fig. 25 Light micrographs of two cross-sectional views of a seam found on a closed-die forged pitman arm showing decarburization and internal oxidation. Etched with 2% nital More