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capacitor discharge welding

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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005554
EISBN: 978-1-62708-174-0
... Abstract This article focuses on the advantages, disadvantages, and applications of capacitor discharge (CD) stud welding as well as equipment used. It describes three modes of CD stud welding: initial-gap, initial-contact, and drawn-arc welding. The article also discusses the responsibilities...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001361
EISBN: 978-1-62708-173-3
... Abstract Capacitor discharge (CD) stud welding is a stud arc welding process in which the tip of the stud melts almost instantly when energy stored in capacitors is discharged through it. This article describes the three basic modes of the CD stud welding: initial-gap welding, initial-contact...
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Published: 31 October 2011
Fig. 2 Initial-gap capacitor discharge stud welding. See text for explanation. Source: Ref 1 More
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Published: 31 October 2011
Fig. 3 Initial-contact capacitor discharge stud welding. See text for explanation. Source: Ref 1 More
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Published: 31 October 2011
Fig. 4 Drawn-arc capacitor discharge stud welding. See text for explanation. Source: Ref 1 More
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Published: 01 January 1993
Fig. 24 Key components of a portable capacitor discharge stud welding system More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001421
EISBN: 978-1-62708-173-3
..., friction welding, transient liquid phase bonding, and capacitor discharge welding. aluminum metal-matrix composites capacitor discharge welding chemical reactions electron-beam welding friction welding gas-metal arc welding gas-tungsten arc welding laser-beam welding material selection...
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Published: 01 January 1993
Fig. 2 A TEM microstructure traverse across a moderately cooled capacitor-discharge weld in Al-8Fe-4Ce alloy. Source: Ref 10 More
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
... on flash welding, high-frequency resistance welding, and capacitor discharge stud welding. It concludes with a discussion on resistance welding of stainless steels, aluminum alloys, and copper and copper alloys. aluminum alloys capacitor discharge stud welding clamping dies copper copper alloys...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001419
EISBN: 978-1-62708-173-3
... such as capacitor-discharge welding, electron-beam welding, and laser welding. In fact, considering the effects of laser wavelength on the weldability of aluminum alloys, the application of the pulsed Nd:YAG laser welding process is preferred because this process provides 1.06 μm wavelength radiation, which is more...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006515
EISBN: 978-1-62708-207-5
... ALUMINUM AND ITS ALLOYS can be welded by several methods. The primary methods used are the gas-shielded arc welding processes, mainly gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). Other arc welding processes include arc stud welding, plasma arc welding, and shielded metal arc...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003208
EISBN: 978-1-62708-199-3
... as stud arc welding and capacitor-discharge stud welding. Both methods involve direct current and arcing. For stud arc welding, a motor-generator, a transformer-rectifier, or a storage battery provides the power supply. The power supply for capacitor-discharge stud welding is a low-voltage electrostatic...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005595
EISBN: 978-1-62708-174-0
... pressure to obtain a weld between the metals. In this process, the sudden discharge of a capacitor bank through a coil of relatively few turns produces a strong transient magnetic field. If this field is coupled with a metal workpiece, an intense impulsive force acts on the material and accelerates...
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Published: 01 January 1993
Fig. 25 Sequence of operations required to weld a stud to a workpiece using the initial gap method of capacitor discharge stud welding More
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Published: 30 November 2018
Fig. 22 Sequence of operations required to weld a stud to a workpiece using the initial gap method of capacitor discharge stud welding More
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Published: 31 October 2011
Fig. 1 Typical current-versus-time curves for the three capacitor discharge stud welding methods. Source: Ref 1 More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005127
EISBN: 978-1-62708-186-3
... generated by a capacitor bank discharge, I max , can be estimated from standard LRC equations for the primary circuit. As long as the circuit resistance is low, this can be estimated as: (Eq 5) I max = V ° C L where V o is the voltage the capacitor bank is initially charged...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005593
EISBN: 978-1-62708-174-0
... is shown in Fig. 6 . For operation, the switch on the left is used to charge the capacitor, while the switch on the right discharges the capacitor energy into the welding circuit. Characteristic values for the circuit include the capacitor charge voltage (V c ), the system capacitance (C),the turns ratio...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001370
EISBN: 978-1-62708-173-3
... personnel safety. Electrical Hazards All lasers used for welding employ high voltages capable of inflicting lethal electric shocks. Therefore, maintenance should be performed by personnel familiar with high-voltage safety procedures. Power supplies for high-power lasers contain capacitors capable...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005641
EISBN: 978-1-62708-174-0
... Abstract This article provides an overview of the fundamentals, mechanisms, process physics, advantages, and limitations of laser beam welding. It describes the independent and dependent process variables in view of their role in procedure development and process selection. The article includes...