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flash welding

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Image
Published: 01 January 2015
Fig. 12.10 Transformer capacity as a function of weld area in flash welding titanium and other materials More
Image
Published: 01 November 2011
Fig. 3.9 Weld produced when using the flash welding process: (a) workpieces securely clamped in current-carrying dies before upsetting operation is initiated; (b) finished weld produced after upsetting operation. Source: Ref 3.4 More
Image
Published: 01 November 2011
Fig. 3.11 Massive arcing and expulsion during flash welding More
Image
Published: 01 July 1997
Fig. 4 A failed flash-welded joint in a 300M steel arresting-hook stinger. Light-colored radial manganese sulfide inclusions are evident. 0.5x 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... of service failures. The discussion covers various factors that may lead to the failure of arc welds, electroslag welds, electrogas welds, resistance welds, flash welds, upset butt welds, friction welds, electron beam welds, and laser beam welds. corrosion deformation fracture inspection mechanical...
Image
Published: 01 January 2015
Fig. 12.11 Maximum machine upset pressure required as a function of weld area in flash welding. The upset pressure capacity required for titanium is much less than for stainless and high-strength, low-alloy steels. More
Image
Published: 01 January 2015
Fig. 12.9 Comparison of total metal allowance as a function of stock thickness in flash welding titanium and steel. Allowances include metal loss in the flashing and upsetting operations. More
Image
Published: 01 November 2011
Fig. 3.10 Cross-sectional view of typical peaks and flow lines generated in a flash weld. Source: Ref 3.4 More
Image
Published: 01 December 1984
Figure 1-25 Macroetching (solution consisting of 1.5 mL HF, 15 mL HNO 3 , and 80 mL H 2 O) was used to reveal the macrostructure of this titanium flash weld. The extent of the metal extruded from the joint and the grain refinement in the junction is clearly revealed. (Courtesy of R. D More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... special techniques to shield weld Gas metal arc Requires special techniques to shield weld Plasma arc Must use inert gas Electron beam Hard vacuum excellent Resistance spot and seam Excellent Flash Excellent Diffusion Excellent Pressure Excellent Friction stir welding...
Image
Published: 01 August 1999
Fig. 11.8 (Part 1) Electric-resistance flash butt weld. 0.1% C (0.12C-0.20Si-0.45Mn, wt%). (a) Weld region. 5% nital. 3×. (b) Weld region. Arrow indicates approximate position of the weld interface. 3% nital. 250×. (c) Fully austenitized zone immediately adjacent to weld. 3% nital. 250 More
Image
Published: 01 August 1999
Fig. 11.9 Electric-resistance flash butt weld regions, showing oxygen enrichment at the weld plane. 0.1% C (0.12C-0.20Si-0.45Mn, wt%). (a) Satisfactory weld. Alkaline chromate. 100×. (b) Satisfactory weld. Picral. A, 100×. B, 500×. (c) Defective weld. Alkaline chromate. 100×. (d) Defective More
Image
Published: 01 August 2018
to the weld and to the bars. Fusion zone, flash protruding out of the weld, and heat-affected zones in both bars. (c) From left to right, acicular martensite, ferrite, and partially spheroidized pearlite and base material not affected by the thermal cycle. Courtesy of ArcelorMittal Aços Longos, Juiz de Fora More
Image
Published: 01 August 2018
and longitudinal section in the bottom rebar. Fusion zone, flash protruding out of the weld, and the heat-affected zones can be seen in both bars. (c) Region marked as “L” in (b). Longitudinal cross section of the bottom bar. Deformed ferrite and pearlite. (d) Fusion zone, acicular microstructure. (e) Region More
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
... weld. The probability of the weld surfaces being decarburized or internally oxidized during heating for welding, and of layers of this nature being incorporated in the weld, is also reduced. A considerable flash forms at the weld plane ( Fig. 11.5 ), although this flash usually is removed before use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... Abstract This chapter covers the welding characteristics of titanium along with the factors that determine which welding method is most appropriate for a given application. It discusses the joinability of titanium alloys, the effect of heat on microstructure, the cause of various defects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820169
EISBN: 978-1-62708-339-3
... metals as steel, stainless steel, and copper. These are made by rolling, explosion welding, friction welding, flash welding, or hot pressure welding and provide the easiest method for fusion welding aluminum to other metals. Conventional GTAW and GMAW methods, as well as resistance spot welding, are used...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
..., or a retardant to further oxidation. However, other functional requirements can necessitate the removal of tarnish from parts. Tarnish should always be removed before welding or brazing. Oxide and/or Scale Oxide and scale are synonymous in some respects. The essence of superalloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930365
EISBN: 978-1-62708-359-1
..., 302) … … … … Arc welding not recommended. Flash welding possible. Austenitic stainless steel types: 303, 304 L, 304, 305, 309, 310, 314, 316, 321, 347 Not recommended 950–1150 If undertaken—or stress relieve below 650 °C (to avoid weld decay). Excellent weldability. Filler materials...