1-20 of 650 Search Results for

gold

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006146
EISBN: 978-1-62708-163-4
...Abstract Abstract This article is a compilation of binary alloy phase diagrams for which gold (Au) is the first named element in the binary pair. The diagrams are presented with element compositions in weight percent. The atomic percent compositions are given in a secondary scale. For each...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001253
EISBN: 978-1-62708-170-2
...Abstract Abstract Gold electroplating was invented in 1840. During the first 100 years electrodeposited gold was used primarily for its aesthetic appeal as a decorative finish. This article provides a description of the gold plating process and the electrolytes used. It discusses the decorative...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001266
EISBN: 978-1-62708-170-2
...Abstract Abstract This article focuses on the electroless gold plating technique, describing the advantages and limitations, applications, and properties of plated deposits. It also reviews process variables of the technique, including gold concentration, reducing agent, agitation...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006234
EISBN: 978-1-62708-163-4
...Abstract Abstract This article is a compilation of ternary alloy phase diagrams for which gold (Au) is the first-named element in the ternary system. The diagrams are presented with element compositions in weight percent. The article includes five phase diagrams: Au-Cu-Ni boundaries of solid...
Image
Published: 01 January 2003
Fig. 7 Fretting of cobalt-gold-plated copper flats in contact with solid gold in an electrical contact. (a) After 1000 cycles. (b) After 10 4 cycles. (c) After 10 5 cycles. (d) After 10 6 cycles. Source: Ref 8 More
Image
Published: 01 January 1986
Fig. 8 AES peak-to-peak amplitudes as a function of primary beam energy for gold 2024 eV and 69 eV peaks. More
Image
Published: 01 January 1986
Fig. 21 Auger spectrum from a large surface area of a gold-nickel-copper metallization sample that was heated 4 h in air at 300 °C (570 °F). More
Image
Published: 01 January 1986
Fig. 22 Depth-composition profile obtained from a nickel-rich area of a gold-nickel-copper metallization surface. More
Image
Published: 01 January 1986
Fig. 23 Results of a scanning Auger microprobe study performed on a gold-plated stainless steel lead frame. (a) Secondary electron image. (b) Iron Auger image. (c) Oxygen Auger image. (d) Gold Auger image. (e) Nickel Auger image More
Image
Published: 01 January 1986
Fig. 21 Rocking curve and topographs of a gold single crystal. (a) Rocking curve with (311)⟨123⟩ orientation strained 5% in tension. (b) Topographs taken at angular positions 1 through 5 More
Image
Published: 01 November 2010
Fig. 18 Dependence of grain-boundary energy on composition in gold-copper alloys. From interferometric measurements of the boundary groove angles in specimens thermally etched at 850 °C. Source: Ref 41 More
Image
Published: 01 January 2002
Fig. 20 Affect of accelerating voltage on imaging. Sample is gold-coated ZnS powders imaged using (a) 25 kV and (b) 5 kV. Note enhanced surface information at 5 kV. Both 20,000× More
Image
Published: 01 December 2004
Fig. 29 Gold-enhanced replicas representing the microstructure of an indefinite-chill double-poured roll. Graphite seen as very dark (black) constituent in (b). Vilella's reagent on original surface. (a) Original magnification 100× and (b) Original magnification 200× More
Image
Published: 01 December 2004
Fig. 30 Gold-enhanced replicas representing the microstructure of two different high-speed steel work rolls for the early stands of a hot strip mill. Vilella's reagent. Original magnification 500× More
Image
Published: 01 December 2004
Fig. 34 Temperature hysteresis of thermoelastic martensite transformation in gold-cadmium and nonthermoelastic iron-nickel. Source: Ref 38 . Reprinted with permission More
Image
Published: 01 January 2003
Fig. 6 Porosity versus deposit thickness for electrodeposited, unbrightened gold on a copper substrate. Compare with Fig. 7 . More
Image
Published: 01 January 2003
Fig. 7 Porosity versus deposit thickness for pulse-plated gold on a copper substrate. The curve for an unbrightened gold deposit on a copper substrate (top) is shown for comparison (see also Fig. 6 ). More
Image
Published: 01 December 2004
Fig. 4 Gold casting, smaller than those in Fig. 1 , 2 , 3 reveals equiaxed grains. Etched with boiling aqua regia (HCl:HNO 3 , 3:1) for 10 to 20 s More
Image
Published: 01 December 2004
Fig. 5 A gold bar that was pressed, undergoing cold deformation, shows a very fine disordered grain structure. Etched with boiling aqua regia (HCl:HNO 3 , 3:1) for 10 to 20 s More
Image
Published: 01 December 2004
Fig. 10 An 18 k white-gold (75Au-10Cu-15Pd) casting showing shrinkage porosity. 50× More