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high-copper amalgam alloys

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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
... on the ancient history of noble and precious metal use in dentistry is provided. The article discusses the use of direct gold dental filling materials, direct silver dental filling materials, traditional amalgam alloys, high-copper amalgam alloys, and gallium alloys in biomedical applications. It also provides...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004209
EISBN: 978-1-62708-184-9
... of Teeth Discoloration of teeth has occurred mainly with amalgam fillings ( Ref 10 ) and with base alloy screwposts ( Ref 11 ). With amalgams, tin and zinc concentrations have been identified in the dentinal tubules of the discolored areas, while with the screwposts, copper and zinc were detached...
Image
Published: 01 January 2006
Fig. 40 Released copper into human saliva from a copper-aluminum crown and bridge alloy (MS) and a high-copper amalgam (Cupralloy) plotted against time for up to 45 days. Source: Ref 75 More
Image
Published: 01 January 2006
Fig. 23 SEM micrograph of polished, etched, and partially repolished high-copper amalgam (Sybraloy). A, alloy particles; B, γ 1 ; C, η′ More
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
... of dental amalgams in the article “Properties of Precious Metals” that follows). Sterling silver (silver-copper alloy) retains its long-established position in uses where elegant appearance is of paramount importance. For jewelry and tableware, high reflectivity makes silver particularly attractive...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
... abrasion tests. Two-body abrasion test result on some typical dental amalgam alloys are given in Table 6 . As indicated by these results, a dispersed high-copper amalgam (Dispersalloy) exhibited better resistance to silicon carbide two-body abrasion than spherical low-copper amalgams. Material loss...
Book Chapter

By Matthew Donachie
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003168
EISBN: 978-1-62708-199-3
... Dental Amalgam Dental amalgam has been in use since the 1800s, generally with limited known detrimental effects on humans. Dental amalgam is made by mixing mercury and a powdered alloy containing silver, tin, copper, and zinc. The amalgam has a composition close to the Ag 3 Sn γ phase...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... elements, and for this reason their cost is high. They occur as native alloys or in mineral compounds in placer deposits, sometimes together with gold; they also occur in lode deposits in basic or ultrabasic rocks, where they may be found together with nickel and copper. Most of the world supply...
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
..., the manufacturer must submit the composition and the results of adequate biological and clinical tests to show that the resulting amalgam is safe and effective for use in the mouth, as directed by the manufacturer. Alloys having higher copper content, for example, have been shown to produce improved creep...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001742
EISBN: 978-1-62708-178-8
... elements separated from those that Copper 0.1994 0.06 10 interfere are aluminum, magnesium, tita- Lead 0.0972-0.6635 0.20 12 T nium, and vanadium. These metals are high Bismuth 0.2013 0.05 15 I in the electromotive series of elements. Antimony 0.1022 0.11 14 I Those much lower amalgamate with mercury I...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... alloy systems are used in dentistry ( Ref 19 ), the main one for which there are concerns regarding corrosion and fatigue is dental amalgam. This material is discussed in the last portion of this section. Uses in Various Surgical Specialties Metallic biomaterials are used in a great many surgical...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004208
EISBN: 978-1-62708-184-9
... cracking (SCC). It discusses some of the mechanical and electrochemical phenomena related to the in vivo degradation of materials used for biomedical applications. These materials include stainless steels, cobalt and titanium-base alloy systems, and dental amalgam. The article addresses key issues related...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003145
EISBN: 978-1-62708-199-3
... of organic compounds. A number of alloy coatings can be electroplated from mixed stannate-cyanide baths, including coatings of tin-zinc and tin-cadmium alloys and a wide range of tin-copper alloys (bronzes). The bronzes range in tin content from 7 to 98%. Red bronze deposits contain up to 20% Sn; high...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001744
EISBN: 978-1-62708-178-8
... ) for amalgam formation is similar to that for Type I, except that the concentrations of M(m) and M in the logarithmic term are their concentrations in the solution and mercury, respectively. Because of their solubility in mercury, metals that participate in electrolytic amalgam formation, for example, copper...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003815
EISBN: 978-1-62708-183-2
..., and 1150 differ somewhat from the others in this series by having minimum and maximum specified copper contents. Corrosion resistance of all 1 xxx compositions is very high, but under many conditions, it decreases slightly with increasing alloy content. Iron, silicon, and copper are the elements present...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003130
EISBN: 978-1-62708-199-3
... the most important, degrading general corrosion resistance by increasing the volume fraction of cathodic and surface-film-weakening intermetallic-phase microconstituents. The 7 xxx Al-Zn-Mg alloys without copper have high general corrosion resistance. The alloys of this group that contain more than 1...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006546
EISBN: 978-1-62708-210-5
... the others in this series by having minimum and maximum specified copper contents. Corrosion resistance of all 1 xxx compositions is very high, but under many conditions, it decreases slightly with increasing alloy content. Iron, silicon, and copper are the elements present in the largest percentages...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003635
EISBN: 978-1-62708-182-5
... representation of the previously mentioned process is given in Fig. 8 , and supporting fractographic evidence is given for high- strength steel ( Fig. 9a ) and beryllium-copper alloys ( Fig. 9b ) broken in liquid metal environments. Conversely, Fig. 9 ( c – e ) and Fig. 10 provide strong support...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006349
EISBN: 978-1-62708-179-5
..., although it is of little benefit under reducing conditions. Copper has a smaller beneficial effect on resistance to sulfuric acid. High-Silicon Irons High-silicon irons are the most universally corrosion-resistant alloys available at moderate cost. They are widely used for handling the corrosive...
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
..., iron alloy, copper, bronze  Seed cleaning Iron  Seed coating Aluminum  Soil conditioning Iron, copper Aerospace  Brake linings Copper, lead, tin, high-nickel alloys, graphite, iron  Cores (electronic components) Iron, MolyPermalloy  Counterweights Tungsten, copper, nickel...