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platinum plating

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... to develop or to enhance specific properties, such as lubricity or wear resistance. In addition to coatings for lubricity, titanium is coated or plated with corrosion-resistant metals (e.g., copper and platinum) as an alternative to oxide formation or as the basis for subsequent plating. Coatings...
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...
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
... and to a lesser extent, with palladium. It is also used as a plating on jewelry metals for whiteness and wear resistance. Rhodium is the whitest of the platinum-group metals. Iridium Iridium, in unalloyed form, is fabricated into large crucibles that are used in the production of single crystals of yttrium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... Abstract This chapter discusses the compositions, properties, and applications of nonferrous metals, including zirconium, hafnium, beryllium, lead, tin, gold, silver, and platinum group metals. It also addresses fusible alloys and provides melting temperatures for several compositions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560221
EISBN: 978-1-62708-291-4
.... 6.6 , and may be recognized in a section by the regular array of the plates of ferrite and cementite ( Fig. 9.1 (Part 1) f and 9.2a , but see discussion of Fig. 9.11 ). Fig. 9.1 (Part 1) Pearlite formation (at 705 and 650 °C) in isothermal transformation of 0.8% C eutectoid steels. 0.81C...
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 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560283
EISBN: 978-1-62708-291-4
... within martensite plates (at transformation twins and at the midrib) and at plate interfaces. The platelets later agglomerate to form spheroidal particles that coarsen rapidly at high temperatures. Decomposition of Retained Austenite . Retained austenite decomposes to a mixture of ferrite...
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
... corrosion resistance is enhanced by alloying with palladium and by ion plating a thin coating of platinum. Titanium Grades The various titanium grades, as defined by ASTM International and the American Society of Mechanical Engineers, are numbered from 1 and upwards, where all numbers except 6 and 8...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860515
EISBN: 978-1-62708-348-5
... construction of the device. Very little energy is required to increase the temperature of small specimens because heat capacity decreases with temperature; for example, the ratio of heat capacity at 300 K to that at 20 K is 18 for platinum, 50 for copper, and 76 for nickel. The Peltier heating or cooling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030180
EISBN: 978-1-62708-282-2
... The cathode should be a permanent-type electrode that is not dissolved by the solution or the currents impressed between the vessel wall to be protected and the electrode. The cathodes used in most of the initial applications were made of platinum-clad brass ( Ref 1 , 3 – 6 ). These cathodes were excellent...
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
.... Surface Treatment Precious metals, such as platinum and palladium, have been ion plated, ion implanted, or thermal diffused into titanium alloy surfaces to achieve improved resistance to reducing acids. This approach has not been used commercially for industrial components because of high cost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910049
EISBN: 978-1-62708-250-1
... results in ferrous ions combining with electrons to form new iron atoms at the metal surface. This is equivalent to a metal plating process. The reaction from right to left involves the removal of an iron atom from the metal surface with the formation of a new ferrous ion (Fe 2+ ) in solution. Two...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... and special glass components, the molten glass must be kept free of contaminants. For this reason, it is generally melted in a platinum crucible. It is also important that the glass be kept free of the products of combustion. Hence, the platinum crucible is induction heated. Because platinum has a low...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560453
EISBN: 978-1-62708-291-4
... Saturated solution of ammonium nitrate in water. Method of Use Etch electrolytically at approx. 0.1 A/cm 2 at 6 V for up to 3 min. Specimen anode. The cathode may be of platinum or stainless steel. Use Distinguishes between grain-boundary sulfide precipitation and grain-boundary liquation...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030184
EISBN: 978-1-62708-282-2
... Table 5 Consumption rates of impressed-current anode materials Material Typical anode current density Consumption rate per A · yr A/m 2 A/ft 2 Pb-6Sb-1Ag 160–220 15–20 0.045–0.09 kg (0.1–0.2 lb) Platinum (plated on substrate) 540–1080 50–100 0.006 g (0.0002 oz) Platinum...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
... and other salts dissolved in water. This sequence is called the galvanic series and is shown in Table 1 for many pure metals and select alloys. 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...
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: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850509
EISBN: 978-1-62708-260-0
.... Use electrolytically with polished surface. Platinum or stainless steel cathode, 60-100°F, 6 V dc, 1 A/in2, 2-7 min. Good for welds (Miller and Houston). Use electrolytically with polished sample. Use stainless steel cathode, 3 A/in2. Instantaneous contact made with specimen. Current density cut...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6