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drag soldering

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Published: 01 January 1993
Fig. 2 Schematic showing sequence of operations for a drag soldering machine More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001344
EISBN: 978-1-62708-173-3
... Abstract This article presents an introduction to brazing, including information on its mechanics, advantages, and limitations. It reviews soldering with emphasis on chronology, solder metals, and flux technology. The article also provides useful information on mass, wave, and drag soldering...
Image
Published: 01 December 2004
Fig. 3 Casting defects in a Mg-Al-Ca-Sr alloy die cast computer housing. Defects are associated with ejection. (a) Cold or hot cracking (tearing) through the outside of the casting opposite the ejector pin. (b) Cracking on the same side as the ejector pin. (c) Drag or scoring along vertical More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001460
EISBN: 978-1-62708-173-3
... specifications. Excessive contaminant levels are detrimental to the quality of solder joints made by full-scale assembly equipment. Such processes, which use large baths as the solder source (wave, drag, or dip soldering), are particularly prone to impurity buildup from the dissolution of PWB and lead finishes...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001459
EISBN: 978-1-62708-173-3
... Abstract Soldering technology has been used in applications ranging from the packaging of integrated circuit chips to the fabrication of industrial heat exchangers and consequently in structural or electronic applications. This article provides information on various soldering parameters...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001346
EISBN: 978-1-62708-173-3
... Abstract Soldering is defined as a joining process by which two substrates are bonded together using a filler metal with a liquidus temperature. This article provides an overview of fundamentals of soldering and presents guidelines for flux selection. Types of fluxes, including rosin-base...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003205
EISBN: 978-1-62708-199-3
..., drag, or dip machines has been a preferred method for making high-quality, reliable connections for many decades. Correctly controlled, soldering is one of the least expensive methods for fabricating electrical connections. Advantages of Brazing and Soldering Advantages of brazing and soldering...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005646
EISBN: 978-1-62708-174-0
... wetting by the welding circuit through which current is con- backing shoe A nonconsumable backing device solder. ducted and which terminates at the arc. used in electroslag and electrogas welding. actual throat The shortest distance between the arc welding gun A device used in semiauto- weld root...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005552
EISBN: 978-1-62708-174-0
...; and fusion welding with directed energy sources, such as laser welding, electron beam welding. The article reviews the different types of nonfusion welding processes, regardless of the particular energy source, which is usually mechanical but can be chemical, and related subprocesses of brazing and soldering...
Book Chapter

By K. Sampath
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002488
EISBN: 978-1-62708-194-8
... between the base metal and soldered joint continues until the completed part is cooled to room temperature. Mechanical properties of soldered joints, therefore, are generally related to, but not equivalent to, the mechanical properties of the soldering alloy. Mass soldering by wave, drag, or dip...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.9781627081740
EISBN: 978-1-62708-174-0
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001256
EISBN: 978-1-62708-170-2
... Abstract Electrodeposition of tin alloys is used to protect steel against corrosion or wear, to impart resistance to etching, and to facilitate soldering. This article focuses on the compositions, operating conditions, advantages, and limitations of methane sulfonic acid plating solutions...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001483
EISBN: 978-1-62708-173-3
... between point of entry and exit is called drag (see Fig. 1 ). Fig. 1 Schematic cross section of work metal during OFC showing drag on cutting face Drag Drag influences edge quality. Optimum edge quality results from zero drag—the oxygen stream enters and leaves the cut in a straight line...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... cutting variables on the quality of cut. Fig. 10 Comparison of surface finish of gas cut specimens. (A) Proper speed, preheat, and cutting oxygen pressure. Note clean face and nearly straight drag lines. (B) Proper speed and cutting-oxygen pressure, too much preheat. Note excessive slag...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001308
EISBN: 978-1-62708-170-2
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001253
EISBN: 978-1-62708-170-2
..., and even solderable coatings could be achieved. This led to the development of perhaps another 100 formulations that could meet all of the requirements mentioned above as well as the different purities and hardnesses of the military gold plating standard MIL-G-45204 with its various modifications...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006525
EISBN: 978-1-62708-207-5
... soldering, but iron causes the formation of intermetallics that degrade ductility. Second generation aluminum die casting alloys rely on high levels of manganese for their die soldering resistance in order to reduce iron levels. The latest generation uses optimized levels of iron and manganese and in some...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... a roughening on the drag surface of the casting as zinc liquid is drawn up into the casting. Both a reduction in underside shrinkage and a sound casting can be ensured when chills are used to promote directional solidification and to increase the solidification rate. The addition of rare earth elements has...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005175
EISBN: 978-1-62708-186-3
..., or cutting speed too high, the lower portions of the cut react more slowly, and the cutting face curves behind the torch. The horizontal distance between point of entry and exit is called drag ( Fig. 1 ). Fig. 1 Schematic cross section of work metal during oxyfuel gas cutting showing drag on cutting...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001264
EISBN: 978-1-62708-170-2
... alloys, especially in Europe. Electroless nickel is an engineering coating, normally used because of excellent corrosion and wear resistance. Electroless nickel coatings are also frequently applied on aluminum to provide a solderable surface and are used with molds and dies to improve lubricity...