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torch brazing

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Image
Published: 01 November 2011
Fig. 7.5 Automated torch brazing system. Source: Ref 7.6 More
Image
Published: 01 August 2005
Fig. 3.9 Tube-to-plate joint in aluminum engineering alloy components, torch brazed in air using a low-melting-point aluminum-base filler metal and commercially available flux More
Image
Published: 01 April 2013
Fig. 18 Radiograph showing entrapped flux (dark areas) in a low carbon steel joint torch brazed with BAg-1 filler metal (light areas). 1×. Source: Ref 1 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
... No Furnace (vacuum) H L H No M No Dip (flux bath) L/M M/H L/M Yes L No Infrared M L M Y/N L No Abbreviations: H: high; L: low; M: medium. Source: Ref 7.2 7.4.1 Torch Brazing Manual torch brazing is the brazing method most frequently used for repairs, one-of-a-kind...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... is similar to torch brazing with a filler rod, except that joint openings are wider and distribution of filler metal takes place by deposition rather than by capillary action. Equipment and some filler metals used in braze welding are the same as those used in torch brazing. In braze welding of ferrous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... of nondestructive inspection of weldments including visual inspection, liquid penetrant inspection, magnetic particle inspection, radiographic inspection, ultrasonic inspection, leak testing, and eddy current and electric current perturbation inspection. The chapter also describes the properties of brazing filler...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
... Abstract This chapter discusses joining atmospheres that are used for brazing, along with their advantages and disadvantages. It discusses the processes, advantages, and disadvantages of chemical fluxing, self-fluxing, and fluxless brazing. Information on stop-off compounds that are considered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... protection. Conversely, processes such as oxyacetylene torch and shielded metal arc with coated electrodes are unacceptable because active elements and compounds are present. A proprietary flux, which does not contaminate titanium weldments, is used as a backup to protect the root of inert gas metal arc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
.... Contamination cracking can be avoided by minimizing exposure of the molten weld pool and the heated weld region to interstitial elements. This is accomplished by: Thoroughly degreasing the joint prior to welding Providing sufficient inert gas shielding to the torch, trailing shoe, and back side...
Image
Published: 01 August 1999
Fig. 11.2 Brazed and braze-welded joints. (a) 0.10% C (0.09C-0.005SI-0.41 Mn, wt%). Brazed using a gas torch and silver solder (49.6Ag-15.0Cu-18.1 Zn-17.3Cd) as a filler metal. Nital. 250×. (b) 0.1% C (0.09C-0.005Si-0.43Mn, wt%). Furnace brazed using copper filler metal. Nital. 250×. (c More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... Diffusion welding Friction welding Electron beam welding Laser beam welding Torch brazing Furnace brazing Induction brazing Resistance brazing Dip brazing Infrared brazing Diffusion brazing Soldering Carbon steel S X X X X X X X X X X X X X X X X...
Image
Published: 01 August 2005
from direct impingement by the flame of a brazing torch. (a) Braze preform pre-positioned. (b) After reflow More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... Abstract Superalloys, except those with high aluminum and titanium contents, are welded with little difficulty. They can also be successfully brazed. This chapter describes the welding and brazing processes most often used and the factors that must be considered when making application...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... to the heating sources. Of industrial importance are furnace, induction, torch, resistance, dip, diffusion, and infrared brazing. (Furnace brazing is performed using a heated furnace. Induction brazing uses the heat from the resistance of the workpieces subjected to a voltage induced through one or more coils...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230189
EISBN: 978-1-62708-351-5
... ]. The most recent technology used in chain making involves in situ welding of chain by microplasma torch or laser, which dispenses with brazes. Fig. 5.1 Section through a link in a brazed carat gold chain, in which the chain stock comprises braze-cored wire. Courtesy of Cookson Precious Metals Ltd...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... permitting the use of narrow joint gaps. Based on the type of heating used, brazing processes are classified as furnace brazing, vacuum brazing, torch brazing, induction brazing, or electron beam brazing. Prevention of chromium oxide formation, either by keeping the brazing temperature below 593 °C (1100...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... are not new and examples of gold-base artifacts fabricated using pressure welds have been dated to between 1400 and 1000 BC [ Tylecote 1968 ]. A gold ribbon used as a torch or neck ornament, found in a Celtic grave, was joined by the same method. Other ancient examples of welding from Egypt and the Black Sea...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... Abstract This chapter considers the role of materials in brazing operations and the manner in which they impact on the choice of processing conditions and their optimization. The concepts covered are metallurgical and mechanical constraints, and constraints imposed by the components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
... that are required for torch brazing in air and that are not soluble in water (see Chapter 3, section 3.2 ). The Cu-36Ag-3Si-0.15Sn braze was developed as a form-fit-function replacement for silver-copper eutectic, but with half the silver content, and it is therefore considerably cheaper to produce...