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intermetallic gold compounds

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Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003837
EISBN: 978-1-62708-183-2
... article. High-temperature structural applications are the main driving forces for the development of intermetallic compounds, and corrosion research has focused on degradation in the high-temperature gases of these environments. However, low-temperature aqueous corrosion of...
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 This article focuses on the use of noble and precious metals for biomedical applications. The noble metals include gold, platinum, palladium, ruthenium, rhodium, iridium, and osmium. The physical and mechanical properties of the noble and precious metals are presented in tables. A...
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
... as nitrates, hydroxides, and bisulfates will eventually attack gold but only at elevated temperatures. The corrosion resistance of gold in over 40 organic compounds is given in Table 11 . In all cases, gold was found to be resistant enough for commercial use. Table 10 Corrosion of gold in...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... circuit board assemblies; silver, gold, and platinum-group metals for electrical contacts; the use of organometallic compounds containing platinum for cancer chemotherapy drugs; and many other applications. Precious metals are bought and sold in troy ounces or, in...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006274
EISBN: 978-1-62708-169-6
... Zirconium-containing alloys Manganese is also used to improve the corrosion resistance of magnesium-aluminum and Mg-Al-Zn alloys by removing iron via the formation of harmless intermetallic compounds. The amount of manganese that can be added is restricted to approximately 1.5 wt% because of its low...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001275
EISBN: 978-1-62708-170-2
... chromate coatings. The article also discusses the development of replacement technologies in response to environmental constraints that have developed around the use of chromium-base compounds. chromate conversion coatings coating deposits coating performance environmental constraints substrate...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003834
EISBN: 978-1-62708-183-2
... process and required equipment. Some of the properties that affect the bonding process include ductility, nature and stability of oxide films (for example, the ratio of hardness between the film and the metal itself), and the tendency to form intermetallic compounds. Because bonding processes commonly use...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003211
EISBN: 978-1-62708-199-3
... solubility limit of antimony in tin) in order to prevent the formation of tin-antimony intermetallic compounds, which can severely impact the fluidity of the molten solder or reduce the ductility of the solidified joint. A progressive deterioration in the quality of the solder is observed with increases...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001286
EISBN: 978-1-62708-170-2
... nonhomogeneous growth mode. The extent to which this occurs in reactive deposition is not known. Composite materials are materials that consist of several phases in the form of either layers or phases dispersed in a matrix. Intermetallic compounds are formed from relatively...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006229
EISBN: 978-1-62708-163-4
... called intermetallic compounds, when, like Mg 2 Pb, they have a fixed simple ratio of the two kinds of atoms. Other intermediate phases exist over a range of compositions that are considered intermediate or secondary solid solutions. Intermediate phases can be classified based on their melting behavior...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003831
EISBN: 978-1-62708-183-2
... salts, molten metals, and in air, oxygen, or other gaseous compounds at ambient or elevated temperatures. The effects of diffusion and alloying with the base metal during brazing/soldering/welding (and during service) also influence compatibility. For this reason, each brazing filler metal class must...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003169
EISBN: 978-1-62708-199-3
... metallurgical processes, including pyrometallurgical, hydrometallurgical, and electrometallurgical processes. electrometallurgical process extractive metallurgy hydrometallurgical process mineral processing mining pyrometallurgical process THE REVERSION of metals into compounds is a natural...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006027
EISBN: 978-1-62708-172-6
... linings; glass and porcelain enamels; electroplating; thermal spray coatings; and rubber linings. A conversion coating can be defined as a material applied to a metal surface that chemically reacts and converts the surface of the metal into a compound that becomes part of the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003166
EISBN: 978-1-62708-199-3
... alloys exhibit two-phase microstructures in which the alloying elements are present in the second phases. These second phases are typically intermetallic compounds or alloy-stabilized variations of the γ phase. The second phases increase strength and decrease ductility in the same way that addition of...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005658
EISBN: 978-1-62708-198-6
... scaffold diseased arteries, which was first explored in 1982 ( Ref 13 ). Even though less than 20% of all stents are made from Nitinol, it likely remains the most commercially important Nitinol application (as of 2010). The term Nitinol refers to the equiatomic, intermetallic nickel-titanium compound...
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
..., copper, gold, hafnium, iridium, lead, magnesium, nickel, niobium (columbium), osmium, palladium, platinum, rhodium, ruthenium, silver, tantalum, tin, titanium, uranium, zinc, and zirconium. Also covered in this Section are several specialty nonferrous products that cannot easily be categorized by...
Book Chapter

Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006544
EISBN: 978-1-62708-183-2
... crystallography. For alloys that contain two or more elements, the placement of the alloying elements in the crystal structure can be random or ordered. Random elemental placements are referred to as solid solutions. For example, pure gold and silver have face-centered cubic (fcc) crystal structures, are...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... elevated temperatures. These coatings may be classified as intermetallic compounds, including silicides and aluminides that form compact or glassy oxide layers; alloys that form compact oxide layers; noble metals that resist oxidation; and stable oxides that provide a physical barrier to the penetration of...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005402
EISBN: 978-1-62708-196-2
... thermodynamic models for ordered phases such as the beta-brass B2 intermetallic phases in copper-zinc and nickel-aluminum and the ordered phases based on the face-centered cubic (fcc) structures in copper-gold. Both copper and gold exhibit the fcc structure and form a series of continuous solutions at high...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003818
EISBN: 978-1-62708-183-2
... usually reflowed by momentarily melting the tin coating in a resistance or induction heating unit. In doing so, a thin layer of tin-iron intermetallic compound is formed at the tin/steel interface. Next, an extremely thin passivation film based on chromium oxide is created by immersion or spraying of...