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industrial gold plating

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t5123000x
EISBN: 978-1-62708-351-5
...Abstract Abstract This chapter briefly reviews the history of brazing from ancient times to the early 20th century. brazing Origins of Brazes and Brazing References References • Bradbury F. , 1912 . History of Old Sheffield Plate , MacMillan 10.5479/sil...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230189
EISBN: 978-1-62708-351-5
... much other industrial assembly. A good example is silver and gold chain production, in which the links are formed, brazed, and finished on fully automatic machines at many tens of links per second. In former times, chain was handcrafted, and premium-quality items are still made this way. Chain...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... was not obtained in metallic form until about 1850. It was more expensive than gold at that time because of the difficulty in extracting it from its ores. Around 1875, it was discovered that metallic aluminum could be plated out of molten salts made from aluminum ores. That is essentially the process still...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
.../BF03214726 • Hunt C. and Wallis D. , 1995 . Solderability Standard: A Gold-Plated Nickel Reference Material , Solder. Surf. Mt. Technol. , Vol 21 (No. 1 ), p 6 – 9 10.1108/eb037904 • Hwang J.S. , 1996 . Environment Friendly Electronics: Lead-Free Technology...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... 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 cost. Platinum has the benefit of exceptionally low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
... industry and for orthopedic implants. Iridium, rhodium, palladium, and platinum are, along with gold, termed the precious metals. They are all very dense and very corrosion resistant. However, the term precious metals comes from the fact that all these metals are expensive. Because of this expense...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
...–1265 … 63.0 28.5 0 6.0 2.5 … 690–800 1275–1470 BAg-21 Industrial gold brazing alloys Table 2.5 Industrial gold brazing alloys Composition, wt% Melting range AWS designation Au Ag Cu Ni Pd °C °F 20.0 … 80.0 … … 1020–1040 1865–1905 … 29.0 45.0 26.0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440049
EISBN: 978-1-62708-352-2
... in lead-tin solder. The addition of 0.5 to 0.6% Bi to the Au-20Sn solder is said to improve the wettability when the alloy is used for joining gold-plated products [ Rapson and Groenewald 1978 ]. Although the presence of aluminum is undesirable in conventional solders, as it greatly exacerbates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
... of machinery 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...
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
... applications in the jewelry and dental fields as well as a number of important industrial uses. Jewelry Alloys Electrical Contact Alloys Dental Alloys Gold Brazing Alloys All six platinum-group metals are closely related and commonly occur together in nature. Their most distinctive trait...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... of the electronics industry. Removing the high-gold-content alloys from consideration, the highest-melting-point solders are the lead-rich alloys, which melt at about 300 °C (570 °F). The lowest-melting-point brazes that are used commercially in significant quantities are the reasonably ductile aluminum-silicon...
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 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
.... Silver plating of stainless steel fasteners has been widely used to reduce stainless-to-stainless galling in fasteners. A 25 μm plating of silver on one member often prevents thread galling. Gold plating of electrical contacts has become a popular treatment for preventing fretting wear and erosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250001
EISBN: 978-1-62708-287-7
... of Abraham Darby 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
... to oxidation is its outstanding property; 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...
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: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
...Galvanic series in seawater at 25 °C (77 °F) Table 1 Galvanic series in seawater at 25 °C (77 °F) Cathodic end (least easily corroded) Platinum Gold Graphite Titanium Silver Chlorimet 3 Hastelloy C Inconel alloy 625 Incoloy alloy 825 Type 316 stainless steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250153
EISBN: 978-1-62708-287-7
... Institute of Technology (MIT) after a brief career in industrial metallurgy. He later accepted a professorship at Columbia University and was the first professor of metallurgy in the School of Mining Engineering in 1897. Howe was born in 1848 to parents who were well known in Boston’s intellectual...