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precious metal powder

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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
..., and gold, and tabulates the industrial applications of precious metals. It provides information on the commercial forms (wire, rod, sheet, strip, ribbon, and foil) and uses of precious metals, including semifinished products, precious metal powders, industrial uses, coatings, and jewelry. commercial...
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
... steps, applications, and advantages of direct metal methods, namely laser melting, material extrusion, binder jetting, material jetting, and vat photopolymerization methods. laser melting precious metal powder COMMONLY RECOGNIZED precious metal items include jewelry, watches and watch parts...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... resistance to Cl above about 80 °C Fabrication characteristics of precious metals Table 4 Fabrication characteristics of precious metals Metal Fabricability Ruthenium Wrought forms are limited; products that are available are fabricated by powder metallurgy techniques. Hot working can...
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
... variety. Many of the original precious metal contact materials were derived from existing dental and jewelry alloys. Silver graphite, silver nickel, and silver metal oxides (for example, Ag-CdO) are common switch and relay materials fabricated by powder metallurgy or the oxidation of a wrought alloy...
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
...Abstract Abstract This article focuses on the use of noble and precious metals for biomedical applications. These include gold, platinum, palladium, ruthenium, rhodium, iridium, and osmium. The physical and mechanical properties of noble and precious metals are presented in tables. A brief...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
..., gold metals, precious metal overlays, tungsten, molybdenum, and aluminum, and composite materials. It concludes by discussing the composite manufacturing methods such as infiltration, press-sinter, press-sinter-repress process, press-sinter-extrude process, internal oxidation, and preoxidized-press...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005745
EISBN: 978-1-62708-171-9
... of the areas associated with production and transfer of molten glass. Precious Metals Precious metals such as platinum and certain of their alloys are used extensively for long-term contact with molten glass. The industry is possibly the single largest consumer of platinum and is accustomed to measuring...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001118
EISBN: 978-1-62708-162-7
...Abstract Abstract Many nonferrous metals, including aluminum, nickel, copper, and others, are among the few materials that do not degrade or lose their chemical or physical properties in the recycling process. As a result, these metals can be recycled an infinite number of times. This article...
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
..., namely, copper metals, silver metals, gold metals, metals of the platinum group, precious metal overlays, tungsten and molybdenum, aluminum, and composite materials. Finally, the article provides information on composite manufacturing methods, and tabulates the physical, and mechanical properties...
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
...Abstract Abstract This article explains how to prepare precious metal test samples for metallographic examination. It discusses cutting, mounting, grinding, polishing, and etching and addresses some of the challenges of working with small, relatively soft specimens. It includes dozens...
Book Chapter

By John C. Bittence
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003222
EISBN: 978-1-62708-199-3
...Abstract Abstract This article focuses on the recycling of metals including iron and steel, stainless steel, superalloys, nickel, aluminum, copper, precious metals, lead, magnesium, tin, titanium, and zinc. It provides information on the identification and sorting of scrap metals and discusses...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006065
EISBN: 978-1-62708-175-7
... possibly for precious metals. The manufacturer also claims substantial gas savings. Fig. 7 Schematic of Nanoval nozzle design. Source: Ref 11 Free Fall Nozzle Designs Free fall nozzle designs ( Fig. 8 ) are also known to be used in the aluminum powder industry. In this design, the liquid...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001317
EISBN: 978-1-62708-170-2
... sometimes need to be crushed into powder form prior to use, as in slurry-phase processes. The precipitation method used to prepare metal oxide catalysts is also used to prepare some standard catalyst carrier materials, such as Al 2 O 3 , TiO 2 , and SiO 2 . Their preparation is discussed in detail below...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003814
EISBN: 978-1-62708-183-2
... easily be categorized by elemental base. These include electroplated hard chromium, thermal spray coatings, clad metals, powder metallurgy materials, amorphous metals, intermetallics, cemented carbides, metal-matrix composites, and joints. Copper The most widely used nonferrous materials are those...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006084
EISBN: 978-1-62708-175-7
.... Water-atomized nickel alloy powders are widely used in thermal spray coating and brazing. Water-atomized precious metals are used in dental amalgams, sintered electrical contacts, and brazing pastes. As a general criterion, any metal or alloy that does not react violently with water can be water...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006020
EISBN: 978-1-62708-175-7
...; and attributes of the MIM process. flat faces holes metal injection molding stainless steel surface finish tensile properties undercuts NET-SHAPE COMPONENTS formed using the powder injection molding (PIM) process are made mostly of a variety of metals (approximately 80% of all applications...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006122
EISBN: 978-1-62708-175-7
.... Additionally, using powder alloys provides an opportunity to use near net shape technology, which results in cost saving, design flexibility, and shortened delivery times. Nickel and Nickel Alloy Powders Nickel is added to iron powder metal blends to improve the mechanical properties of sintered PM...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006570
EISBN: 978-1-62708-290-7
...Abstract Abstract This article describes post-processing techniques for machining, finishing, heat treating, and deburring used to remove additive manufacturing (AM) metallic workpieces from a base plate and subsequent techniques to enhance printed workpieces. The AM processes include powder...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006621
EISBN: 978-1-62708-290-7
... to exceed $120 billion by 2020, ( Ref 6 ). Tooling for a broad range of industries are primarily made from metals ( Ref 7 ). Laser powder bed fusion (LPBF) is an AM technique that is useful for the manufacturing of metallic parts ( Ref 8 ). This layer-by-layer process uses a focused laser beam to fuse...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002374
EISBN: 978-1-62708-193-1
... converts a metal powder from a semifluid state into a strong, precise, high-performance shape. Key steps include the shaping or compaction of the powder and the subsequent thermal bonding of the particles by sintering. These two steps can be combined into a single operation, for example in hot powder...