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electrical resistance welding

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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
... Abstract Resistance welding is a group of processes in which the heat for welding is generated by the resistance to the flow of an electrical current through the parts being joined. This chapter discusses the processes, advantages, and limitations of specific resistance welding processes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
..., including electroslag, TIG, gas, electron-beam, and arc welding as well as vacuum diffusion, forge, friction, electrical-resistance, and explosive welding. It also discusses the effect of welding temperature, pressure, and composition on the transformations that occur in and around the weld, and it includes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... Abstract Arc welding applies to a large and diversified group of welding processes that use an electric arc as the source of heat to melt and join metals. This chapter provides a detailed overview of specific arc welding methods: shielded metal arc welding, flux cored arc welding, submerged arc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
.../or sulfidation resistance Improved wear resistance Reduced frictional energy losses Improved mechanical properties, for example, enhanced fatigue or toughness Improved electronic or electrical properties Improved thermal insulation Improved aesthetic appearance As indicated in...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... welding is readily done on most types of stainless steel. Allowance must be made for the lower thermal and electrical conductivity of stainless steels compared to other common materials. Most resistance welds, including both seam and spot welds, have deep, tight crevices adjacent to the welds. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030169
EISBN: 978-1-62708-282-2
... enumerated in the following paragraphs. Fabrication operations that create residual stress, change grain shape, and alter boundary composition can negatively impact corrosion resistance. Operations of particular concern include bending, stretching, shearing, punching, and welding. All of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120123
EISBN: 978-1-62708-269-3
... largely immune to corrosion-related failure in most environments, although titanium alloys are generally less resistant to corrosion than CP titanium. In unalloyed titanium and many titanium alloys, weld zones are just as resistant to corrosion as the base metal is. Other fabrication processes (such...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... perpendicular to the interface. Although similar in many respects, two separate high-frequency welding processes can be identified: high-frequency resistance welding and high-frequency induction welding, In high-frequency resistance welding, heating current enters the work through electrical contacts on the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... grain growth to stop abruptly at the centerline of the weld with little change in grain orientation, producing a boundary-like structure, as illustrated in Fig. 23.1 [ Devletian and Wood 1983 ]. Such welds have been found to have the poorest resistance to cracking and may be especially prone to hot...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
..., and copper-copper, the weld strength is greater than the base metal strength and there is no increase of electrical resistance in the welds. Fig. 6.13 (a) Schematic outline of cold butt welding with multiple upset, and (b) cold butt welded copper bar, cross section 3 × 5 mm. Source: Ref 6.8...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... mechanical strength. Silver-cadmium alloys are more resistant to arc erosion and welding than fine silver and silver-copper alloys. A small addition of platinum increases the hardness, wear resistance, and corrosion resistance of silver, but concurrently decreases its electrical conductivity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... available drive and control systems for the sheet material type, the gage, and the required production rate. Four types of press brake drives are commonly used: mechanical, hydraulic, hydraulic-servo, and alternating current electric servo. Each of these designs has its own special features and applications...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... melting the base metal. Conventional spot-welding equipment is used for resistance brazing titanium. High-conductivity electrodes are preferred over graphite and other electrode materials that have high electrical resistance. In this process, the brazing filler metal (in the form of foil) is placed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... maximum creep resistance. As grain size increases, ductility of a metal decreases and weldability may be reduced. A compromise is to limit welding processes for coarser grain metals to those methods that use low heat input. These alloys do not precipitate γ′ phase. However, they contain generous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... austenitic stainless steels as well as several forms of corrosion associated with welding. The effects of gas-tungsten arc weld shielding gas composition and heat-tint oxides on corrosion resistance are then covered. Microbiological corrosion of butt welds in water tanks is also illustrated. In addition, the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the fatigue behavior of bolted, riveted, and welded joints. It describes the relative strength of machined and rolled threads and the effect of thread design, preload, and clamping force on the fatigue strength of bolts made from different steels. It explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... techniques are based on physical phenomena, it is useful to describe the properties of the discontinuity of interest, such as composition and electrical, magnetic, mechanical, and thermal properties. Most significant are those properties that are most different from those of the weld or base metal. It is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... many joining options available. While thermosets are restricted to adhesive bonding and mechanical fastening, thermoplastic composites can be joined by melt fusion, dual resin bonding, resistance welding, ultrasonic welding, or induction welding, as well as by conventional adhesive bonding and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... as one-pass welding of titanium alloy plate up to 12.7 mm (0.5 in.) thick, using square-groove butt joints and the keyhole technique. Resistance welding, which is another fusion welding process, occurs when heat is generated by resistance to electrical current at two surfaces in contact with each...