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resistance spot welding

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Published: 01 October 2011
Fig. 6.31 Schematic of resistance spot welding process. Courtesy of R. Matteson, Taylor Winfield More
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Published: 01 October 2012
Fig. 2.40 Setup for resistance spot welding. Cross section shows shape of nugget and position of nugget relative to inner and outer surfaces of workpieces. Source: Ref 2.30 , 2.31 More
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Published: 01 August 2013
Fig. 12.20 Principal components in resistance spot welding More
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Published: 01 August 2013
Fig. 12.21 Process conditions for resistance spot welding. Source: Adapted from Ref 12.12 More
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Published: 01 November 2011
Fig. 3.2 Setup for resistance spot welding. Cross section shows shape and position of nugget relative to inner and outer surfaces of workpieces. Source: Ref 3.2 , Ref 3.3 More
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Published: 30 June 2023
Fig. 10.30 Resistance spot welding (a) process and (b) weld nugget produced during RSW of automotive body sheet. Sheet thickness is approximately 1 mm More
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Published: 01 April 2013
Fig. 16 Ultrasonic thickness measurements of resistance spot weld nuggets. (a) Satisfactory weld. (b) Resulting attenuation of the ultrasonic wave. (c) Unsatisfactory weld. (d) Resulting wave attenuation. Source: Ref 1 More
Image
Published: 01 July 1997
Fig. 14 Ultrasonic thickness measurements of resistance spot weld nuggets. (a) Satisfactory weld. (b) Resulting attenuation of the ultrasonic wave. (c) Unsatisfactory weld. (d) Resulting wave attenuation More
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Published: 01 July 1997
Fig. 17 Relation of strength of resistance spot welds in carbon steel coupons to number of AEs during the martensitic phase transformation More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290061
EISBN: 978-1-62708-306-5
..., namely resistance spot welding, resistance seam welding, projection welding, flash welding, and upset welding. flash welding projection welding resistance seam welding resistance spot welding upset welding RESISTANCE WELDING is a group of processes in which the heat for welding...
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Published: 01 July 1997
Fig. 16 Schematic showing typical AE signals obtained during various stages of resistance spot welding More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... are combined at their contacting surfaces by the application of heat and/or pressure. Welding processes are divided into two main categories: Fusion welding , such as arc welding, resistance spot welding, oxyfuel gas welding, electron beam welding, and laser beam welding Solid-state welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... evaluation of the welds including surface indentation, weld thickness, nugget width, internal void width, and location were determined. Figure 14.1 shows the geometric features of a spot weld. Results of the project produced general information that can be used to determine the performance of resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... (see the section “ Cold Cracks in Base Metal ” in the discussion of electroslag welding). Failures in Resistance Welds The general term resistance welding includes resistance spot welding, resistance seam welding, and projection welding, which are all closely related. Flash welding (a resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... to include the number of counts (emissions exceeding a threshold level), their amplitude, and the rise time of pulses. Acoustic emission testing has three important applications in the welding field: the in-process monitoring of resistance welds, the detection of leaking welds in storage tanks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870161
EISBN: 978-1-62708-299-0
...). These methods eliminate the potential hazard of flux removal inherent with oxyfuel gas welding and shielded metal arc welding (SMAW). Flux residues, of course, are corrosive. If the welding method requires flux, the joint must permit thorough flux removal. Galvanic Effects The resistance to corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... the welding processes that are adaptable to titanium and its alloys. Acceptable processes include gas tungsten arc, plasma arc, gas metal arc, electron beam, friction stir, and resistance spot and seam welding methods where, depending on the method, inert gas, vacuum, and/or metal contact provide the required...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820143
EISBN: 978-1-62708-339-3
... is much lower for aluminum alloys. Electrical Conductivity Electrical conductivity has little influence on fusion welding but is a very important property for materials that are to be resistance welded. In resistance welding, resistance of the metal to the flow of welding current produces heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340211
EISBN: 978-1-62708-427-7
... melted to form a finished watertight joint. Various welding technologies developed originally for steels have been successfully adapted and applied to aluminum alloy products. This section briefly describes the technologies of brazing, welding, and resistance spot welding, as they apply to downstream...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
..., the metal melts in the vicinity of the current flow. Pressure keeps the faces together. When the current is interrupted, a solidified weld nugget is formed. The nugget is contained within the metal being joined and does not reach an external surface. Resistance welding is fast. When done locally, a spot...