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precious metals

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
...-resistance alloys, superalloys, refractory metals, low-melting-point metals, reactive metals, precious metals, rare earth metals, and metalloids or semimetals. It also provides a brief summary on special-purpose materials, including uranium, vanadium, magnetic alloys, and thermocouple materials. light...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... precious metals that, in addition to being measures of wealth, have important industrial applications. Finally, the fusible alloys are a group of over 100 alloys that have melting points lower than that of lead-tin eutectic solder. References 1. Fusible Alloys...
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
... properties as well as corrosion resistance. gold alloys silver alloys platinum alloys Composition Selected References • Johnson A.A. and von Fraunhofer J.A. , Precious Metals , Metals Handbook Desk Edition , American Society for Metals , 1984 , p. 13–1 to 13...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
... 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, the precious metals are used as catalysts and for applications that typically call for small...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... discuss some of the other metals that are used along with stainless steels to address environmental degradation issues: Nickel-base alloys Cobalt-base alloys Selected refractory metals Selected precious and pure metals Selected light metals Many applications of metals in hostile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
...-temperature strength of niobium. The weakening of niobium by titanium additions has been observed by a number of investigators. McAdam showed that the precious metals osmium, iridium, and ruthenium were effective strengthening elements, but they were not considered for engineering alloys because of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... Abstract This chapter describes the processes involved in the fabrication of wrought and cast metal products. It discusses deformation processes including bending and forming, material removal processes such as milling, cutting, and grinding, and joining methods including welding, soldering...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170003
EISBN: 978-1-62708-297-6
... form in these regions as the weld metal shrinks during cooling. High-temperature brazing fillers can be produced from alloys containing silver and other precious metals with nickel and copper, while low-temperature solder alloys are made from lead, tin, silver, indium, antimony, cadmium, and zinc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... obtained in a single material. The early use of clad metals in the jewelry industry combined the aesthetics of precious metals with the low cost strength of base metals. These materials systems are currently being used for electrical and electronics applications, such as contacts and connectors with...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
.... , Kohno T. , and Morikawa M. , Development of Precious Metals Clay , J. Jpn. Soc. Powder Powder Metall. , Vol 40 , 1993 , p 837 – 840 10.2497/jjspm.40.837 • Kanoko Y. , Ameyama K. , Tanaka S. , and Hefler B. , Production of Ultra-Thin Porous Metal Paper by Fiber Space...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... versions of ultrasonic welding systems used for spot welding applications: (a) wedge-reed system and (b) lateral drive system. Source: Ref 6.12 Most industrial metals can be joined to themselves or to other metals by ultrasonic welding. Ductile metals, aluminum and copper alloys, and precious...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120123
EISBN: 978-1-62708-269-3
... − Precious metal ions Pt 2+ , Pt 4+ , Pd 2+ , Ru 3+ , Ir 3+ , Rh 3+ , Au 3+ Oxidizing organic compounds Picric acid, o -dinitrobenzene, 8-nitroquinoline, m -nitroacetanilide, trinitrobenzoic acid, and certain other nitro, nitroso, and quinone organics Others O 2 , H 2 O...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
....” Precious metals are used for impressed-current anodes because they are highly efficient electrodes and can handle much higher currents than anodes fabricated from other materials. Precious metal anodes are actually platinized titanium or niobium anodes; the platinum is either clad or electroplated on the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... copper and copper-base alloys and precious metals. It is also used for higher-temperature alloys, such as nickel bronze and cupronickel, and, to a lesser extent, for melting ferrous metals, such as gray iron. Crucible melting is a simple and flexible process, and crucible furnaces can generally be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... the corrosion behavior of the major classes of metals and alloys as well as some nonmetallic materials, describe typical corrosion applications, and present some unique weaknesses of various types of materials. It also aims to point out some unique material characteristics that may be important in...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850165
EISBN: 978-1-62708-260-0
... Controlled Microstructural Contrast by Color, ” Microscope , vol. 15 , 1967 , pp. 427 – 479 . 147. Piotrowski T. , and Accinno D. J. : “ Metallography of the Precious Metals, ” Metallography , vol. 10 , 1977 , pp. 243 – 289 . 10.1016/0026-0800(77)90031-3 148. Dickerson R. F...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... Abstract The term heat treatable alloys is used in reference to alloys that can be hardened by heat treatment, and this chapter briefly describes the major types of heat treatable nonferrous alloys. The discussion provides a general description of annealing cold-worked metals and describes some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... Abstract This chapter discusses the use of coating methods and materials and their impact on corrosion and wear behaviors. It provides detailed engineering information on a wide range of processes, including organic, ceramic, and hot dip coating, metal plating and cladding, and the use of weld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... characteristics of various metals and materials systems, and the subsequent corrosion response. corrosive environments atmospheric environments underground environments water environments acidic environments alkaline environments corrosion characteristics corrosion response pH temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... classified according to the major constituents of the more common types of filler metals used: Aluminum brazing Silver brazing Copper brazing Nickel brazing Precious metal brazing The five essential properties for brazing filler metal are: Ability to wet and make a strong, sound...