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iridium

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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
... Abstract This article discusses the compositions, properties, and uses of silver, gold, and platinum group metals, including platinum, rhodium, iridium, ruthenium, and osmium. It describes the role of various alloying elements and explains how they affect physical, mechanical, and electrical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
... of gold with only a small sacrifice in corrosion resistance. Au-10Cu is used in low-voltage dc devices such as alternators or voltage regulators, and as a positive contact paired with a platinum-iridium negative contact. Under light closing forces, this combination provides a low transfer rate and good...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060469
EISBN: 978-1-62708-261-7
... 0.035 6.0 30.6 Indium 156.6 2073 7.30 0.196 0.056 24.8 9 Iridium 2447 4500 22.42 0.14 0.0312 6.8 5.3 Iron 1538 2870 7.86 0.17 0.107 12.1 10.1 (a) Lanthanum 920 3464 6.166 0.035 0.0479 5 5.70 Lead 327.5 1750 11.34 0.082 0.031 29.0 20.6 Lithium...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300445
EISBN: 978-1-62708-323-2
... Zinc Zn Germanium Ge Arsenic As Zirconium Zr Molybdenum Mo Rhodium Rh Silver Ag Cadmium Cd Indium In Tin Sn Antimony Sb Hafnium Hf Tantalum Ta Tungsten W Rhenium Re Osmium Os Iridium Ir Platinum Pt Gold Au Mercury Hg Lead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850538
EISBN: 978-1-62708-260-0
... edge preparation schemes. A very wide range of materials have been coated in this way. For metals, the procedures [ 19 ] [1] used can be categorized as follows: Direct plating . Iron, cobalt, nickel, ruthenium, palladium, osmium, iridium, and platinum. Galvanic initiation . Copper, silver...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... particles prevent sticking and welding and minimize arc erosion. Dental amalgam is a silver-mercury alloy for restoring lost tooth structure. In this application, it is commonly referred to as a silver filling. The platinum group metals include ruthenium, rhodium, palladium, osmium, iridium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
...-point metals (bismuth, indium, lead, tin, zinc) Reactive metals (hafnium, titanium, and zirconium) Precious metals (gold, silver, platinum, palladium, iridium, rhodium, ruthenium, and osmium) Rare earth metals Semimetals (also known as metalloids) As this list indicates, some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130541
EISBN: 978-1-62708-284-6
... Hafnium (Hf) 5.7–7.0 3.2–3.9 Pure Zirconium (Zr) 6.3–6.6 3.5–3.7 Pure Cerium (Ce) 6.2–6.7 3.4–3.7 Pure Rhenium (Re) 6.5 3.6 Pure Tantalum (Ta) 4.9–8.2 2.7–4.6 Pure Chromium (Cr) 6.8 3.8 Pure Iridium (Ir) 2.0–12 1.1–6.7 Magnetically soft iron alloys 7.1 3.9 Pure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240583
EISBN: 978-1-62708-251-8
..., iridium, and platinum. A DBTT does not exist for the pure metal. It is unique among refractory metals in that it does not form carbides. A rather unique application for rhenium is for exhaust nozzles for the small, low-thrust engines that boost communication satellites from low-Earth orbit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
..., including nitrates. By elimination of nitrates, it is possible to use lead-base anodes at a considerable cost-savings compared to the iridium-base titanium anodes. Figure 27.2 shows the process flow diagram considering the use of solvent extraction. The purity of copper electrolyte has been...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
... of its natural corrosion resistance, titanium is also used in the chemical process 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... such as cobalt 60, cesium 137, thulium 170, or iridium 192. Gamma ray equipment is very useful for fieldwork. In neutron radiography, thermal neutrons from a reactor are made to impinge on the component and the emitted β-rays are made to expose a film. Depth of penetration is much more than in conventional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170308
EISBN: 978-1-62708-297-6
... to those of iridium and osmium ( Ref 20 ). As temperature increases from room temperature to 725 °C (1340 °F), the modulus decreases only about 20%. This implies that structures made of rhenium will have excellent mechanical stability and rigidity, permitting the design of parts having thin sections...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000059
EISBN: 978-1-62708-313-3
... and tungsten (and also the nonrefractory elements ruthenium and iridium), can increase the solidus and liquidus temperature of the nickel matrix ( Ref 32 ). Molybdenum and tungsten not only influence alloy strength directly but can also modify the behavior of other strengthening elements. For example...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
... densities. Thus, the specific strength of new alloys containing larger amounts of rhenium and/or ruthenium may not be much superior to existing SCDS superalloys. When one considers the cost benefit situation for alloys containing elements such as rhenium, ruthenium, and even platinum or iridium, it is hard...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240303
EISBN: 978-1-62708-251-8
... and therefore decreases the reflectivity of metallic surfaces. Ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold are the exceptions. These eight metals have such low chemical activity that they are called noble metals. When a metal is heated to a very high temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
.... One application, patented by Accufiber, makes use of a sapphire fiber probe. This probe is coated with iridium to form a black-body cavity. The radiation from this cavity when heated is readily measured using a standard radiation detector to yield a very accurate temperature measurement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... radiography γ-ray source Half-life Photon energy, MeV Radiation output (a) , RHM/Ci Penetrating power, mm (in.) of steel Thulium-170 128 d 0.054 and 0.084 (b) 0.003 13 (0.5) Iridium-192 74 d 12 rays from 0.21–0.61 0.48 75 (3) Cesium-137 33 yr 0.66 0.32 75 (3) Cobalt-60 5.3...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480331
EISBN: 978-1-62708-318-8
..., or iridium produces similar results. Table 14.17 Resistance of titanium alloys to crevice corrosion in boiling salt solutions Boiling solution pH Titanium grade 2 Titanium grade 12 Titanium grade 7 Saturated ZnCl 2 3.0 Failed Resistant Resistant 10% MgCl 2 4.2 Failed...