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brazing flux

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Published: 01 August 2005
Fig. 3.8 B:K:F atom ratios of common brazing fluxes More
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...
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
... Abstract Brazing and soldering processes use a molten filler metal to wet the mating surfaces of a joint, with or without the aid of a fluxing agent, leading to the formation of a metallurgical bond between the filler and the respective components. This chapter discusses the characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... absorb mismatch stresses in the joint. Fluxes and active filler alloys can be used to improve wetting and reduce void levels. These and other possible remedies to problems associated with the formation of brazed joints are detailed in the following sections. If it transpires...
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...
Image
Published: 01 August 2005
Fig. 3.17 Schematic cross section of a tube-to-plate joint designed such that braze flow will sweep gas and flux out of the joint gap. Formation of an external fillet provides evidence that some braze spreading and wetting has taken place. This design of joint also protects the braze preform More
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
..., as adhesives do not have high temperature stability, they are never used in combination with brazes. 1.1.3 Brazing and Soldering Brazing and soldering use a molten filler metal to wet the mating surfaces of a joint, with or without the aid of a fluxing agent, leading to the formation of metallurgical...
Image
Published: 01 August 2005
Fig. 3.10 Wetting mechanism of self-fluxing filler metals. (a) Self-fluxing filler applied to copper component. (b) Filler and its oxide melt and wet the oxide film on the component surface. (c) Oxide film on the component dissolves in the molten braze to form a slag that floats to the free More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
... thermal conductivity, which make these materials fairly difficult to join using local heat sources that do not envelop the workpiece. The condition of the surface of the parent material may affect its compatibility with brazes, especially when fluxes are not used. As an obvious example, filler metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... and density such that it displaces the flux, and, after cooling, the joint will be filled with solid filler metal, while the solid flux will be found at the joint periphery. Capillary flow is the dominant brazing mechanism, provided that both faying surfaces are wetted by the molten filler metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t5123000x
EISBN: 978-1-62708-351-5
... Abstract This chapter briefly reviews the history of brazing from ancient times to the early 20th century. brazing Origins of Brazes and Brazing Brazing is not a modern invention. Archaeological evidence shows that it has been practiced continuously since ancient times. Because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230189
EISBN: 978-1-62708-351-5
... into account, so, on average, chain meets the caratage requirement. An alternative approach involves using stock of braze-cored wire. This needs to be formed only into links, fluxed, and heated. A cross section through the joint in a chain link made using braze cored wire is shown in Fig. 5.1 [ Grimwade 2002...
Image
Published: 01 August 2005
Fig. 2.3 Liquidus surface of the Ag-Cu-Cu 3 P partial ternary system. The range of alloy compositions that are widely used as self-fluxing brazes is indicated by the shaded region. 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├Ś. Source: Ref 1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050317
EISBN: 978-1-62708-311-9
... Abstract This appendix provides practical information on induction coils and how they are made. It discusses soldering methods, preferred materials, design challenges, and best practices and procedures. It also discusses the design, construction, and application of magnetic flux concentrators...
Image
Published: 01 June 1988
Fig. 10.3 Methods for continuous movement of parts through a controlled atmosphere during induction heating. (a) Brazing of brass watchband clips without flux in a forming-gas atmosphere. (b) Fixture using an elevator-pushrod arrangement. From Anon., Lepel Review , Vol 1, No. 10, p 1 ( Ref 2 ) More
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... Soldering and Brazing Soldering and brazing involve using a molten filler metal to wet the mating surfaces of a joint, with or without the aid of a fluxing agent, leading to the formation of metallurgical bonds between the filler and the respective components. In these processes, the original surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
..., 1950 ( Ref 1 ) Multiplace coils may be of both plate and tubing types. Plate coils provide a rugged assembly for production operations, particularly brazing in which rapid part handling and the corrosive action of a flux can deteriorate coil materials. When part height-to-diameter ratios...