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fluxless brazing

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Published: 09 June 2014
Fig. 7 Fluxless copper brazing of stainless steel using induction heating and atmosphere chambers that protect the heated area of the part. Courtesy of Radyne, an Inductotherm Group Company More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001455
EISBN: 978-1-62708-173-3
...-active and fluoride-active types of fluxes that are used for torch, furnace, or dip brazing processes. The article explains the steps to be performed, including the designing of joints, preblaze cleaning, assembling, brazing techniques (dip brazing, furnace and torch brazing, fluxless vacuum brazing...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006529
EISBN: 978-1-62708-207-5
... resulted in improved quality. Brazing of aluminum is generally limited to parts more than 0.4 mm (0.015 in.) thick, but dip brazing and fluxless vacuum, as well as control atmosphere brazing (CAB) under high purity nitrogen, for example) is used successfully on aluminum fin stock 0.1 mm (0.004...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006728
EISBN: 978-1-62708-210-5
.... The alloy is suitable for all methods of brazing including furnace, dip, torch, and vacuum fluxless brazing. It has good brazing characteristics, and high strength after brazing can be obtained by natural and artificial aging. Brazing temperatures are sufficiently high to effectively solution heat treat...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001456
EISBN: 978-1-62708-173-3
.... The wettability of beryllium with any brazing filler metal is difficult, and the preplacement of aluminum fillers is recommended. With close-tolerance joints, capillary flow is possible with the silver alloys, but not always predictable. Although fluxless brazing is possible, the use of proprietary fluxes...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003831
EISBN: 978-1-62708-183-2
... prominent in martensitic and low-nickel-containing ferritic stainless steels. Using nickel-containing braze alloys and employing fluxless brazing techniques, such as hydrogen atmospheres or furnace brazing techniques, can reduce the chances of interfacial corrosion. Role of Proper Brazing Procedures...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001453
EISBN: 978-1-62708-173-3
..., and the gas that remains in the evacuated chamber. Vacuum brazing is economical for fluxless brazing of many similar and dissimilar basemetal combinations. Vacuums are especially suited for brazing very large, continuous areas where (1) solid or liquid fluxes cannot be removed adequately from...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... quickly resolved this problem by adding 2 to 3% Ni (AWS BAg-3) to the problematic braze filler metals. A more desirable solution came about with the introduction of the ultradry hydrogen atmosphere. This was a prime ingredient in the success of the nickel braze process in the late 1940s. Fluxless brazing...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005848
EISBN: 978-1-62708-167-2
... of the part that require a protective atmosphere. Figure 7 shows atmosphere chambers used to create a controlled atmosphere around stainless steel tube-fitting joints so that they can be fluxless copper brazed using induction heating. Fig. 7 Fluxless copper brazing of stainless steel using induction...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003210
EISBN: 978-1-62708-199-3
... Abstract This article provides information about the selection of brazing processes and filler metals and describes the brazing (heating) methods, including manual torch brazing, furnace brazing, induction brazing, dip brazing, resistance brazing and specialized brazing processes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001452
EISBN: 978-1-62708-173-3
... Abstract The quality of brazed stainless steel joints depends on the selection of the brazing process, process temperature, filler metal, and the type of protective atmosphere or flux. This article provides a detailed discussion on the applicability and brazeability of stainless steel and lays...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001492
EISBN: 978-1-62708-173-3
... 0.05–0.12 0.002–0.005 Brazing atmosphere 0.00–0.05 0.000–0.002 BAlSi Flux 0.05–0.21 (b) 0.002–0.008 (b) Brazing atmosphere 0.21–0.25 (c) 0.008–0.010 (c) BCuP Flux or fluxless 0.025–0.12 0.001–0.005 BCu, BVCu Brazing atmosphere 0.00–0.05 0.000–-0.002 BCuZn, RBCuZn...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001345
EISBN: 978-1-62708-173-3
... brazing in a vacuum, as well as active and inert-gas atmospheres Since the early 1980s, other developments, such as aluminum-clad foils for fluxless aluminum brazing, copper-nickel-titanium filler metals for brazing titanium and some of its alloys, cadmium-free silver filler metals, and vacuum-grade...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3