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Oxyacetylene welding

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Published: 01 December 2015
Fig. 4 Corrosion of three aluminum weldments in HNO 3 service. (a) and (b) Gas tungsten arc (GTA) and oxyacetylene welds, respectively, showing crevice corrosion on the inside surface. (c) Standard GTA weld with full penetration is resistant to crevice corrosion. More
Image
Published: 01 August 1999
Fig. 3 Corrosion of three aluminum weldments in HNO 3 service. (a) and (b) Gas tungsten arc (GTA) and oxyacetylene welds, respectively, showing crevice corrosion on the inside surface. (c) Standard GTA weld with full penetration is resistant to crevice corrosion. More
Image
Published: 01 December 2006
Fig. 3 Corrosion of three aluminum weldments in HNO 3 service. (a) and (b) Gas tungsten arc (GTA) and oxyacetylene welds, respectively, showing crevice corrosion on the inside surface. (c) Standard GTA weld with full penetration is resistant to crevice corrosion. More
Image
Published: 30 April 2021
oxyfuel; PAS, plasma arc spraying; EB, electron beam; SMAW, shielded metal arc welding; OAW, oxyacetylene welding More
Image
Published: 01 August 1999
Fig. 11.27 (Part 1) Gas weld (oxyacetylene fusion butt weld). Parent metal: 0.19C-0.07Si-0.55Mn (wt%). CE = 0.20. Weld metal: 0.17C-0.06Si-0.55Mn (wt%). The structure of the parent metal was similar to that illustrated in Fig. 11.8 (Part 2) (f) ; its hardness was 120 HV. (a) to (c More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... Abstract This chapter discusses the fusion welding processes, namely oxyfuel gas welding, oxyacetylene braze welding, stud welding (stud arc welding and capacitor discharge stud welding), high-frequency welding, electron beam welding, laser beam welding, hybrid laser arc welding, and thermit...
Image
Published: 01 March 2001
Fig. 2 Relative costs (based on pounds of alloy deposited) for various weld overlay and thermal spray processes. SAW, submerged arc welding; FCAW, flux-cored arc welding; GMAW, gas metal arc welding; SMAW, shielded metal arc welding; OAW, oxyacetylene gas welding; FLSP, flame spraying; PSP More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... by the presence of hard chromium carbide particles. Some alloy compositions have tungsten carbide additions to further improve wear resistance. Hardfacing materials are applied by either welding or thermal spraying. Weld overlay is a form of hardfacing that is applied by oxyacetylene or an arc welding process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... that are of the order of 1000 W/cm 2 , such as oxyacetylene flames or electroslag welding, require interaction times of 25 s with steel, whereas laser and electron beams, at 1 MW/cm 2 , need interaction times on the order of only 25 μs. Welders often begin their training with the oxyacetylene process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
... in HNO 3 service. (a) and (b) Gas tungsten arc (GTA) and oxyacetylene welds, respectively, showing crevice corrosion on the inside surface. (c) Standard GTA weld with full penetration is resistant to crevice corrosion. Researchers have shown that aluminum alloys, both welded and unwelded, have...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... to be welded and adjacent surfaces often are abraded using draw and rotary files to control porosity. Surfaces resulting from oxyacetylene, flame, abrasive, and plasma arc cutting operations have a heavy scale and can contain microcracks due to excessive contamination. Flame-cut surfaces are best cleaned...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... employing oxyacetylene torches, a slightly reducing flame affords some atmospheric protection. Vacuum, inert, and reducing atmospheres have also been used. The normal welding sequence is to: (1) apply sufficient pressure to firmly seat the faying surfaces against one another, (2) heat the joint...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... carbon; PVD, physical vapor deposition; HVOF, high-velocity oxyfuel; PAS, plasma arc spraying; EB, electron beam; SMAW, shielded metal arc welding; OAW, oxyacetylene welding Figure 12.1 is also an estimate of the relative size of the technology components that comprise the material-modification...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... guidelines for cost comparisons. Fig. 2 Relative costs (based on pounds of alloy deposited) for various weld overlay and thermal spray processes. SAW, submerged arc welding; FCAW, flux-cored arc welding; GMAW, gas metal arc welding; SMAW, shielded metal arc welding; OAW, oxyacetylene gas welding; FLSP...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820143
EISBN: 978-1-62708-339-3
... Abstract The nonferrous alloys described in this chapter include aluminum and aluminum alloys, copper and copper alloys, titanium and titanium alloys, zirconium and zirconium alloys, and tantalum and tantalum alloys. Some of the factors that affect the corrosion performance of welded nonferrous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870161
EISBN: 978-1-62708-299-0
... Abstract This chapter describes the factors that affect the corrosion performance of aluminum assemblies joined by methods such as welding, brazing, soldering, and adhesive bonding. The factors covered include galvanic effects, crevices, and assembly stresses in products susceptible to stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
... Abstract Welded joints in any component or structure require a thorough inspection. The role of nondestructive evaluation (NDE) in the inspection of welds is very important, and the technology has become highly developed as a result. This article describes the applications, methods, evaluation...
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
... Abstract This chapter examines the effects of welding on the structure of metal, particularly the changes induced in the isothermal regions adjacent to the weld. It presents more than 150 images identifying structures and features associated with fusion and solid-state welding processes...
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
..., oxyacetylene. Filler rods 3.5C-3Si-0.6P Ferritic gray irons are readily welded but complex irons are difficult to weld. Increasing silicon above 2% also decreases weldability. Preheat to 400–600 °C or to 1000 °C with 60/40 brass filler (bronze welding). Preheat to avoid hard brittle deposit. Difficult...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.9781627083591
EISBN: 978-1-62708-359-1