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self-fluxing

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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
... 915–955 1675–1750 RBCuZn Chloride-base + borax (c) 980–1205 1800–2200 BNi Cyanide-base 1120 2050 BCu Chloride-base Ferrous and nonferrous 675–1010 1250–1850 BAg (d) Chloride-base (a) Salt acts as both filler metal and heating medium. (b) Self-fluxing. (c...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005742
EISBN: 978-1-62708-171-9
..., which force the strip to turn into a coil, use a nickel-base self-fluxing alloy that is combustion sprayed and fused. This is one of only a very few coatings that has worked in this extremely harsh environment. Other surface-modification processes, such as submerged arc or welded coatings, also can...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005732
EISBN: 978-1-62708-171-9
...-shrouded technology to minimize oxidation. Another example of process optimization is through posttreatments. One example is torch and/or furnace fusing of NiCrBSiC self-fluxing alloys to improve bonding for better impact resistance. Key fundamental articles in this Section that highlight the benefit...
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
... to lower corrosion resistance. Zinc-containing filler metals sometimes lose this element or form voids if overheating is allowed to occur. The copper-phosphorus (BCuP) filler metals are self-fluxing when used to braze copper. Fluxes may be necessary when joining other copper alloys. The high-phosphorus...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005597
EISBN: 978-1-62708-174-0
... properties and self-shielded flux cored arc welding. arc welding argon carbon dioxide dissociation flux cored arc welding gas metal arc welding gas purity helium hydrogen mechanical properties nitrogen oxidation potential oxygen plasma arc welding reactivity potential recombination self...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001355
EISBN: 978-1-62708-173-3
... arc between a continuous filler metal electrode and the workpiece. A tubular, flux-cored electrode makes this welding process unique. The flux contained within the electrode can make the electrode self-shielding. Alternatively, an external shielding gas may be required. Process Features Flux...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005601
EISBN: 978-1-62708-174-0
... formulations using gas blends of 85 to 90% Ar/balance CO 2 were designed and used in common applications. Process Features Flux cored welding electrodes are supplied in two distinct product types: Gas-shielded flux cored arc welding (FCAW-G) process Self-shielded flux cored arc welding (FCAW-S...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005643
EISBN: 978-1-62708-174-0
... welding Arc Alternating or direct current Automatic or semi-automatic; arc maintained in cavity of molten flux formed from granular material Slag and self-generated gas Carbon, low-alloy, and high-alloy steels; copper alloys 1 mm (0.04 in.) and upward (but generally over 10 mm, or 0.4 in.) Downhand...
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 presence of phosphorus (another potential melting-temperature depressant element) could cause unacceptable joint brittleness. Of the alloy additions that promote the self-fluxing of the filler metal during brazing, boron has the greatest “penetrating power.” On the other hand, phosphorus is a beneficial...
Image
Published: 31 October 2011
Fig. 13 Splicing a column during the erection of a building in Los Angeles using the semiautomatic self-shielded, flux cored arc welding process More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001392
EISBN: 978-1-62708-173-3
... the braze joint. Therefore, self-brazing materials often eliminate the need for pretreatments and fluxes to ensure adequate flow and wetting. Clad brazing materials should not be used solely as a substitute material or as a joining method in an existing design that is based on conventional assembly...
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
... with high-resistivity electrodes or electrode facings is an efficient method of providing localized heating at the joint in this highly conductive metal, but avoiding fusion of the copper base metal. In addition, copper is the only frequently used metal that can be brazed in air with self-fluxing filler...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006079
EISBN: 978-1-62708-175-7
... (particularly in cobalt-base alloys). Self-fluxing nickel-base powders are routinely made by this process, because oxygen pickup is minimal and the process is more economical. Apparent density and flow rate also depend on the characteristics mentioned above. Irregular particle shape, numerous satellites...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005571
EISBN: 978-1-62708-174-0
... and ferro-additions. The two types of flux cored electrodes are gas-shielded flux cored electrodes and self-shielded flux cored electrodes ( Ref 26 ). Table 10 ves typical chemical compositions for the three types of carbon-dioxide-shielded cored electrodes. Table 11 gives the typical chemical...
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
..., such as AWS BCuP, BNi-6, and BNi-7, are considered self-fluxing and can remove the need for external flux. The self-fluxing characteristic occurs because the element phosphorus possesses a greater affinity for oxygen than for the base metal. These braze filler metals should not be used to braze any iron...
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
... abrasive cleaning. Thin, high-silicon-content braze foil should only be degreased to prevent the loss of available filler metal that is needed at the braze joint. Assembly In flux brazing, self-fixturing is an excellent assembly method. It may be accomplished through the use of tabs, rivets...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005580
EISBN: 978-1-62708-174-0
... with automatic or semiautomatic processes. The Innershield process, also referred to as the self-shielded, flux cored arc welding process, solved the problem by incorporating the fluxing and shielding materials inside tubular filler-metal wire. The result was a self-shielded electrode that could be coiled...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001339
EISBN: 978-1-62708-173-3
...) Flux-cored arc welding (FCAW) uses a hollow wire filled with flux reagents and ferro-additions. The two types of flux-cored electrodes are carbon-dioxide-shielded flux-cored electrodes and self-shielded flux-cored electrodes ( Ref 26 ). Table 8 gives typical compositions for the three types of carbon...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006419
EISBN: 978-1-62708-192-4
.... Furthermore, rolls and rollers for steel production, which must operate flawlessly under relatively tough conditions, can be coated by thermal spray. In particular, nickel-base, self-fluxing alloys and cermets, such as WC-Co and NiCr-Cr 3 C 2 , applied by the HVOF process, are suitable for these demanding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001442
EISBN: 978-1-62708-173-3
... brazing alloy compositions specifically for use with the spray-and-fuse process (for which their self-fluxing properties are ideal). During the fusing cycle of this process, it is believed that oxides within the sprayed coating combine with some of the silicon and boron to form a borosilicate slag (which...