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brazing alloy systems

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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
... and their causes. It describes the role of proper brazing procedures in controlling corrosion. The article concludes with information on the corrosion resistance of various brazing alloy systems. brazed joints brazing corrosion corrosion resistance soldered joints brazing alloy systems CORROSION...
Image
Published: 30 August 2021
Fig. 1 Segments of a type 321 stainless steel radar coolant-system assembly that broke at a brazed joint between a bellows and a cup because of inadequate bonding between the brazing alloy and the stainless steel. (a) Portions of the broken coolant-system assembly; bellows is at A, cup at B More
Book Chapter

By J.F. Libsch
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001387
EISBN: 978-1-62708-173-3
... of the operator once the generator, coil, and heating program have been set up. The amount of handling of the component parts, the brazing alloy preforms, and flux depend upon the degree to which the application is automated. In fully automated systems, the operator oversees the operations and ensures the supply...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001385
EISBN: 978-1-62708-173-3
... and zirconium, cannot be torch brazed, because no flux is available Large assemblies can be difficult to heat, because of the localized nature of flame heating Applications Torch brazing is commonly used on copper, brass, and other copper alloys, as well as steel, stainless steel, aluminum, carbides...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001458
EISBN: 978-1-62708-173-3
..., is inserted at the appropriate locations. To simplify the assembly operation, the brazing filler metal can be clad to the materials to be brazed, as in aluminum-clad brazing sheet, where the brazing alloy is hot roll bonded to the aluminum alloy sheet ( Ref 1 ). When the brazing filler metal is an integral...
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
... a 16 h postbraze diffusion cycle at the solidus temperature. The other recommended alloy systems for high-temperature performance include Ti-48Zr-4Be (brazing temperature of 986 °C, or 1810 °F), Ti-25Cr-21V (brazing temperature of 1482 °C, or 2700 °F), and Ti-28Zr-8Ge (brazing temperature of 1327 °C...
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
... and solids are assumed to remain constant. In real systems, however, these interactions occur ( Ref 14 ): Alloy formation between liquid and base metal Diffusion of base metal into brazing filler metal Diffusion of filler metal into grains of base metal Penetration of filler metal along grain...
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
... types of engineering materials considered in the selection of a brazing process. The engineering materials include low-carbon steels, low-alloy steels, and tool steels; cast irons; aluminum alloys; copper and copper alloys; nickel-base alloys; heat-resistant alloys; titanium and titanium alloys...
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
..., however, indicated that a flux had been used on the faying surfaces. Fig. 1 Segments of a type 321 stainless steel radar coolant-system assembly that broke at a brazed joint between a bellows and a cup because of inadequate bonding between the brazing alloy and the stainless steel. (a) Portions...
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
..., copper … 10C Vacuum 1 × 10 −3 torr (0.133 Pa) and lower … … … … BNi, BAu, BAlSi, Ti alloys Stainless steels, heat- and corrosion-resistant alloys, aluminum, titanium, zircon, and other refractory metals … Note: Brazing atmosphere types AWS-6, AWS-7, and AWS-9 include reduced pressures...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001386
EISBN: 978-1-62708-173-3
... directly or indirectly, all furnaces must provide a uniform work-load temperature. For example, the brazing of high-temperature nickel-base alloys at 1095 °C (2000 °F) and higher generally requires a hot-zone uniformity of ±8 °C (±15 °F). When brazing aluminum alloys, the temperature uniformity must be ±3...
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
... of the base metal. Thermal Cycles Consideration must be given to the effect of the brazing thermal cycle on the base metal. Filler metals that are suitable for brazing nickel-base alloys may require relatively high temperatures. This is particularly true for the filler-metal alloy systems most...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001450
EISBN: 978-1-62708-173-3
... THE ULTIMATE GOAL of brazing and soldering technologies is to join parts into an assembly through metallurgical bonding ( Ref 1 , 2 , 3 , 4 , 5 ). This can be achieved by placing a relatively low-melting-temperature alloy, or filler metal, in the clearance, or gap, between the base materials to be joined...
Book Chapter

By Daryl D. Peter
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001388
EISBN: 978-1-62708-173-3
... Dip brazing systems can be described by the type of pot vessel, heating method, and heating media that is used. Vessel construction can be ceramic, fired brick, or, possibly, cast ( Fig. 1 ). A metal tank of a suitable alloy can also be used. Heating is facilitated by either gas or electric current...
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
... a single representative aluminum brazing system is considered here, as a benchmark. The system consists of aluminum alloy 3003 mating surfaces with one of the two parts being a composite multilayer brazing sheet. The assembly is exposed to a heating sequence under protective atmosphere, known...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001454
EISBN: 978-1-62708-173-3
... are loaded on trays) systems. The objective is to achieve minimum-cost operation for the particular application. Another advantage is that a number of joints can be brazed simultaneously in a furnace. Copper and copper alloys are often furnace brazed on a conveyor or mesh belt system. This allows the use...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0009239
EISBN: 978-1-62708-173-3
... aluminides, and titanium matrix composites Brazed structures Base metal Service temperature Main stresses °C °F Airframe, chassis, life-support systems Large-cell honeycomb wings and fuel tanks Ti alloys <400 <750 Tensile, fatigue Stringer components of wings and rudders...
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
... or controlled atmospheres, which feature an automatic conveying system; (3) retort type, with controlled atmospheres; and (4) vacuum type. The batch- and continuous-type furnaces are used most frequently for brazing of carbon and low-alloy steel assemblies. The method of heating varies with the application...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006302
EISBN: 978-1-62708-179-5
... and chemical reactions). For both soldering and brazing, the fillers tend to be alloys with eutectic or near-eutectic compositions from alloy systems having eutectics. Fluxes in brazing and soldering also are used to remove oxides from the base metal surface, to protect the clean surface from reoxidation...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001390
EISBN: 978-1-62708-173-3
... brazed joint Diffusion Brazing Processes The most advanced diffusion brazing processes are used in the aerospace industry, particularly for brazements involving titanium, nickel, cobalt, and aluminum alloys. However, many similar and dissimilar metal combinations can be diffusion brazed...