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multiple-layer alloy plating

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001260
EISBN: 978-1-62708-170-2
... plating and pulsed-potential plating are also discussed. electrodeposition multiple-layer alloy plating multiple-layer alloys process parameters pulsed-current plating pulsed-potential plating MULTIPLE-LAYER ALLOY PLATING is an emerging technology for engineering desirable properties into...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001242
EISBN: 978-1-62708-170-2
... wastewater treatment COPPER PLATING DEPOSITS are used for both functional and decorative applications. They are used widely as underplates in multiplate systems, as barrier coatings, as stopoffs in heat treatment, and for heat transfer (e.g., as heat sinks). They also find use in electroforming, in...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001243
EISBN: 978-1-62708-170-2
... molds. The rebuilding of mismachined or worn parts comprises large segments of the industry. One specialized application is a thin chromium layer used as a lacquer adhesive layer in the manufacture of “tin” cans. Hard chromium plating is also known as industrial, functional, or engineering chromium...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001265
EISBN: 978-1-62708-170-2
..., requires that any mechanism employed to promote coverage, such as use of strong catalyst promoters, be carefully controlled so as not to introduce weak boundary layers in the plated composite. Fig. 7 Backlight test cuopons. (a) Showing pinpoints voids. (b) Showing total electroless copper coverage...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005808
EISBN: 978-1-62708-165-8
... mechanical properties of ferrous and nonferrous alloys. The techniques are physical vapor deposition, chemical vapor deposition, sputtering, ion plating, electroplating, electroless plating, and displacement plating. The article describes five categories of laser surface modification, namely, laser surface...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005333
EISBN: 978-1-62708-187-0
..., copper, and iron. The article illustrates a characteristic five-layer microstructure of zinc alloy casings. It discusses the various methods of finishing of zinc alloy die castings, including chromium plating, polishing, painting, and electropainting. The article describes the casting of inserts and...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005201
EISBN: 978-1-62708-187-0
... rates for different steels and alloys are a function of ingot diameter. The presence of an ingot slag skin not only improves the ingot surface quality but also, more importantly, eliminates the presence of a solute-lean shelf layer on ESR ingots. (As oxide particles from the electrode are dissolved...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
... of plating and organic finishing of magnesium alloys are also reviewed. The article concludes with a description of health and safety precautions to be followed during the surface treatment process. anodic treatment appearance barrel tumbling buffing chemical cleaning chemical treatment...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003125
EISBN: 978-1-62708-199-3
... unrecrystallized, the latter condition generally being more highly directional (see the following discussion on “Grain Structure” ). In the case of heat treated extruded shapes, there is usually a very thin surface or peripheral layer of recrystallized grain structure surrounding an unrecrystallized core. Since...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... boundaries between which the lubricant must operate. These surfaces are complex. The chemistry of the surface is not the same as the bulk chemistry of the sheet or tools. The lubricant interacts with an oxide layer of varying complexity; various contaminants may infiltrate the oxide layer (such as oils...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001271
EISBN: 978-1-62708-170-2
...) or to control a postplating process (e.g., a thin nickel layer may be deposited to limit tin-iron alloy growth during reflowing or subsequent processing of tinplate). Fig. 10 Twenty vertical plating cells in a continuous plating line that applies zinc and zinc-nickel alloy coatings on sheet...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005258
EISBN: 978-1-62708-187-0
... centrifugally cast ic tubes, although it may be beneficial to cast the inner layer of such tubes from a material that is more fusible than the outer material. In addition, relatively thin inner layers should be manufactured from alloys with coefficients of thermal expansion smaller than that of the outer alloy...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
.... Copper underplates also enhance buffing and polishing when multiple-layer plating is used. Copper itself is relatively corrosion resistant, but is subject to tarnishing and staining. It is occasionally used alone for decorative effect, but should be provided with an overcoat of lacquer. Some use of...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001322
EISBN: 978-1-62708-170-2
... health regulations as cadmium. Although chromate passivation treatments do improve the corrosion-control performance of plating systems, the Table 4 data were developed using both chromated and nonchromated plating layers ( Ref 3 ). Replacing cadmium with one of the replacement plating processes shown...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005308
EISBN: 978-1-62708-187-0
... investment casting and lost foam casting. In investment casting, a single-use wax pattern is made in metal dies and coated with multiple layers of a ceramic or plaster slurry that hardens to form a thin rigid mold. The mold is heated to fire the ceramic and to melt out the wax, leaving an empty mold cavity...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003827
EISBN: 978-1-62708-183-2
... fluids chemical environment anodized coatings plasma-sprayed coatings BERYLLIUM, like aluminum, is a thermodynamically reactive metal that forms a thin, well-bonded oxide layer on the surface at room temperature. Of the structural metals, only magnesium is more reactive. The oxide film on...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006455
EISBN: 978-1-62708-190-0
... plates, cylinders, and flanges. The article discusses various control methods, including the use of lead screens; protection against backscatter and scatter from external objects; and the use of masks, diaphragms, collimators, and filtration. The radiographic appearance of specific types of flaws is also...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006469
EISBN: 978-1-62708-190-0
... LLWs in composites ( Ref 14 ). A matrix method solved the problem of wave propagation in multilayered anisotropic media subjected to time-harmonic (single-frequency) or transient (pulse) disturbances. The method was applied to obtain a formal solution of the response of layered composite plates. The...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001304
EISBN: 978-1-62708-170-2
... tensile loading, and cracks will propagate from a surface defect or other stress riser. Shot peening prevents these failures by creating compressive stress layers in the surfaces of parts. As a part is loaded, its critical surface area will not develop tensile stresses until the shot-peen-induced...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... contaminated layer. For graphite mold systems, it is a carbon-stabilized layer. For refractory mold systems, an oxide layer known as “alpha case” forms. Depending on the application, this hard, brittle layer should be removed from the surface because it may be a source of contaminants during subsequent weld...