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platinum-base alloys

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003776
EISBN: 978-1-62708-177-1
... and contrasting the microstructural features of gold, platinum, iridium, palladium, and ruthenium-base alloys. It examines pure gold, intermetallic gold compounds, gold and platinum jewelry alloys, platinum-containing shape memory alloys, and alloys consisting of platinum, aluminum, and copper. References...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005670
EISBN: 978-1-62708-198-6
... mechanical properties modern stents noble metals osmium palladium physical properties platinum precious metals rhodium ruthenium traditional amalgam alloys THE FOCUS of this article is a review of noble and precious metal use for biomedical applications. The noble metals include gold, platinum...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001088
EISBN: 978-1-62708-162-7
...-Base Brazing Filler Metals Commercial Names Common Name Silver brazing filler metals Former Names Silver solders, hard solders, silver-brazing alloys Specifications ANSI/AWS A5.8 Chemical Composition Composition Limits See Table 1 . Nominal composition...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003829
EISBN: 978-1-62708-183-2
... (a) Platinum-gold alloys perform better than pure platinum Corrosion of platinum in gases Table 16 Corrosion of platinum in gases Gas Temperature Corrosion rate °C °F mm/yr mils/yr Ammonia, with oxidant (a) 950 1740 <0.05 2 Ammonia, pure Elevated Nitridation Carbon...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... in.) inside diameter by 0.25 to 0.6 mm (0.010 to 0.025 in.) wall thickness and as single lengths about 150 mm (6 in.) long. Base metal tube is available with an outer cladding or an inner lining of platinum, gold, silver, or any of the commercial precious metal alloys. Precious metal powders are produced...
Book Chapter

Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001087
EISBN: 978-1-62708-162-7
... is equal to 32.15 troy ounces. The troy system of weights is based on the troy ounce of 480 grains, 31.1 grams, or 20 pennyweight. One troy ounce is equal to 1.097 avoirdupois ounces. Silver and Gold Platinum-Group Metals Alloys Used for Dental Purposes The precious metals have unusual...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001254
EISBN: 978-1-62708-170-2
.... For decorative platinum deposits, the use of a flash-plated base coat is recommended. Suitable layers include palladium-iron, silver, and copper-tin systems. Detailed information on platinum electroplating is available in Ref 33 , 34 , 35 , 36 , 37 , and 38 . In most aqueous or oxygen-bearing...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006017
EISBN: 978-1-62708-175-7
... a viable technique for producing high-quality iron powder. Powder metallurgy practices were used by the Incas and their predecessors in making platinum before Columbus made his voyage to the “New World” in 1492. The technique used was based on the cementing action of a lower-melting binder, a technique...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001098
EISBN: 978-1-62708-162-7
... Thermocouples Initial Calibration Tolerances Effect of Environment on Base-Metal Thermocouples Effect of Environment on Bare Pt-Rh Thermocouples Cryogenic Applications Troubleshooting Type J Type K Type T Type E Type N Type S Type R Type B 19 Alloy/20 Alloy Iridium...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001097
EISBN: 978-1-62708-162-7
... of platinum and palladium metals used for electrical contacts Alloy Solidus temperature Electrical conductivity (a) , % IACS Hardness, HR15T Tensile strength Density, g/cm 3 Elongation (a) in 50 mm (2 in.), % Annealed Cold worked °C °F Annealed Cold worked MPa ksi MPa ksi...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006259
EISBN: 978-1-62708-169-6
...Abstract Abstract This article describes the annealing behavior of precious metals, namely, gold, silver, platinum, palladium, iridium, rhodium, ruthenium, and osmium. It discusses the annealing practices and their effect on the basic properties of common precious metal alloys. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
...-extrude. (b) Annealed. (c) Cold worked Properties of platinum and palladium metals used for electrical contacts Table 4 Properties of platinum and palladium metals used for electrical contacts Alloy Solidus temperature Electrical conductivity (a) , %IACS Hardness, HR15T Tensile...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003181
EISBN: 978-1-62708-199-3
... (a) Minimum bend radii are based on bending a 152 mm (6 in.) wide specimen through 90°. Influence of cold work on the hardness of platinum, palladium, and the more important platinum alloys, with recommended annealing temperatures Table 15 Influence of cold work on the hardness of platinum...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003158
EISBN: 978-1-62708-199-3
... Pt 1769 104 B BP 70Pt-30Rh 1927 190 Oxidizing, vacuum or inert 1700 3100 BN 94Pt-6Rh 1826 175 Type J Type K Type N Type T Type E Type S Type R Type B 19 Alloy/20 Alloy Iridium-Rhodium Platinum-Molybdenum Platinel Thermocouples Tungsten...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006556
EISBN: 978-1-62708-290-7
... powder. However, laser AM is still an expensive manufacturing process and will most likely be more applicable to gold-, platinum-, and palladium-base alloys. Platinum and palladium alloys have an advantage in AM, because conventional casting of these alloys continues to be far more challenging when...
Book Chapter

By Mark C. Williams
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003602
EISBN: 978-1-62708-182-5
... loading. Johnson Matthey Technology Centre (J-M) presented data that resulted in improved performance in nearly direct proportion to that expected based on the platinum increase ( Ref 25 ). Initial tests by J-M confirmed previous results: using platinum alloy catalyst with a 10 wt% net platinum loading...
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
...) BAu and BAg groups. Pure gold and gold-base alloys can be brazed with materials from the BAu or BAg metals. Pure silver and silver-base alloys can be brazed with the BAg and, in some cases, the BCuP (see Fig. 1 ) filler metals. Platinum and palladium are brazeable with pure gold (which melts at 1063...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005920
EISBN: 978-1-62708-167-2
... is a feasible process. The power of induction systems, use of platinum alloys as a susceptor material, and the ability to fabricate coils to fit the process provide flexibility to tailor the heating to fit the glass. Induction provides a venue to change how the glass is melted or formed; if the glass...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006395
EISBN: 978-1-62708-192-4
... or immersing the base material in a petroleum, mineral, or alcohol solvent followed by drying at elevated temperature. The cleaning step removes inorganic-based deposits from the surface. This includes alloying surface inclusions, nonconducting inclusions, and organic films not removed in the degreasing...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006018
EISBN: 978-1-62708-175-7
..., copper-nickel alloys, cobalt alloys, chrome carbide Automotive (a)  Air conditioners Iron, steel  Alternator regulator, contacts, pole pieces Platinum alloy, iron  Body solder Steel, aluminum, lead, lead alloys  Bushings, bearings Copper, lead, tin, iron, aluminum, graphite, bronze...