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industrial gold plating

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t5123000x
EISBN: 978-1-62708-351-5
... produces a liquid phase, which fuses the silver sheets to the copper plate. This material is then rolled down to a thinner sheet, and this was exploited by the industrial pioneer Matthew Boulton in the second half of the 18th century as a cheap substitute for solid silver in domestic wares...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230189
EISBN: 978-1-62708-351-5
... carat gold solders. brazing carat filler metals gold alloys gold jewelry gold solders silver jewelry silverware BRAZES FOR JEWELRY, silverware, and objets d’art merit separate consideration from industrial brazing alloys because, in addition to providing joints that are mechanically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
.... zirconium hafnium beryllium lead tin gold silver platinum fusible alloys industrial applications expansion characteristics chemical properties A NUMBER of miscellaneous nonferrous metals and their alloys are covered in this chapter. Zirconium and hafnium are reactive metals that are used...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170550
EISBN: 978-1-62708-297-6
... to oxidation and sulfidation (i.e., to tarnish). This combination of properties has given gold and its alloys traditional applications in the jewelry and dental fields as well as a number of important industrial uses. Jewelry Alloys Gold and its alloys are the most popular of the jewelry metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2023
DOI: 10.31399/asm.tb.itfdtktmse.t56060001
EISBN: 978-1-62708-440-6
... of a highly adherent, continuous aluminum thin film that adds corrosion protection to steel. Developed by the aerospace industry as a replacement for more hazardous corrosion-resistance coatings such as cadmium plating, IVD aluminum is still applied to many military components ( Ref 5 ). Ion plating may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
... Jordan 5000–3000 B.C. Chalcolithic period: melting of copper; experimentation with smelting Near East 3000–1500 B.C. Bronze Age: arsenical copper and tin bronze alloys Near East 3000–2500 B.C. Lost-wax casting of small objects Near East 2500 B.C. Granulation of gold and silver...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2023
DOI: 10.31399/asm.tb.itfdtktmse.9781627084406
EISBN: 978-1-62708-440-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... of the solder. In the semiconductor and optoelectronic industries, platinum overlaid with a gold flash is a frequent choice of wettable metallization. Thin-film deposition equipment with a platinum sputtering source is often readily available, and the materials cost is insignificant compared to the process...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... are expensive: Au at $1226, Ag at $15, and Pt at $847 per ounce on August 15, 2018. Unfortunately, these metals have industrial importance; there are essential technologies that depend on them. Gold is often necessary for electrical contacts. Silver has many uses in plating processes, and platinum can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440049
EISBN: 978-1-62708-352-2
... a melting range of 309 to 347 °C (588 to 657 °F), has been proposed as a hard solder for die-attach applications in the electronics industry [ Shimizu et al. 1999 ]. Flux pastes of zinc-base solders have also been developed [ Noguchi 1999 ]. 2.1.4 Gold-Bearing Solders Gold is unusual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
... conductivity (77 W/m · K) than high-lead solders, lower thermal expansivity (20 × 10 –6 /K), and, moreover, foil can be produced by hot rolling at 250 °C (482 °F). Fluxless attachment of gold-metallized silicon die to silver-plated copper leadframes has been demonstrated with this solder using a die-bonding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250001
EISBN: 978-1-62708-287-7
... in England in the development of ironmaking. industrial revolution ironmaking metal discovery The history of metals in America started in antiquity when man discovered particles of gold, silver, and copper in riverbeds where they had washed down from the mountains. These particles of soft metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
... and accidents to engineering structures involve a combination of component malfunction and mismanagement. In many such situations, both types of inquiry are necessary. Industrial machinery and structures are made of materials, mostly metallic. As seen in earlier chapters, when these structures fail...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
... by the Corrodkote Procedure • B 457, Method for Measurement of Impedance of Anodic Coatings on Aluminum • B 537, Practice for Rating of Electroplated Panels Subjected to Atmospheric Exposure • B 577, Test Methods for Hydrogen Embrittlement of Copper • B 583, Test Methods for Porosity in Gold...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390001
EISBN: 978-1-62708-459-8
... in the early 12th century, treats wire drawing as an established art. He refers to steel dies used for drawing a tin-lead alloy, and to oak dies for smoothing hammered gold and silver wire. Iron and steel plates bearing a number of holes, connected with a surface channel, have been identified by many...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120295
EISBN: 978-1-62708-269-3
...-7652 ISO 9002, full-line center. Inventory of sheet, plates, bars, tubing, forgings Aerotech Industries P.O. Box 2186 St. James, NY 11780-2186 Tel: 800-725-6556 Fax: 631-584-8203 Specialists in nonstandard items, including titanium bars, rods, wire, forgings, tubing/pipes, plates, sheets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
... used almost exclusively in the jewelry industry. These alloys, known as carat gold “solders” by the trade, were developed to provide goldsmiths with a wide range of relatively low melting point brazes that match the gold content and, especially, the color of carat jewelry alloys. Further details...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.9781627082877
EISBN: 978-1-62708-287-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
...; its color, yellow, is maintained in air or when heated. Gold is usually alloyed to increase its hardness, because chemically pure gold is simply too soft for use in common applications such as jewelry. The greatest use of gold is in jewelry and the arts. Industrial usage (mainly in electronics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910331
EISBN: 978-1-62708-250-1
... materials selections, but it is of major importance in many industries, such as the chemical processing or pulp and paper industries. Eventual choice of material is the result of several compromises. For example, the technical appraisal of any alloy will generally be a compromise between corrosion...