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autocatalytic plating

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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
...Abstract Abstract Electroless, or autocatalytic, metal plating is a nonelectrolytic method of deposition from solution that can be plated uniformly over all surfaces, regardless of size and shape. The plating's ability to plate onto nonconductors is an advantage that contributes to the choice...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006395
EISBN: 978-1-62708-192-4
... electroplated chromium, electroplated nickel, electroless (autocatalytic) nickel, electroless nickel composite coatings, electroplated gold, and platinum group coatings. These are specifically tailored toward plated coatings for friction, lubrication, and wear technology. The article concludes with a discussion...
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
... limitations to the thickness of gold that can be achieved with an electroless gold bath ( Fig. 3 ). Fig. 3 Thickness of gold as a function of time for an autocatalytic electroless gold plating bath. Theoretical curve at optimum conditions Many electroless gold bath compositions have been...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005435
EISBN: 978-1-62708-196-2
... nucleation sites and the critical driving force at which they operate. The latter determines the dynamics of unit growth events and influences the degree of dislocation substructure generation determining subunit morphology (plate/lath) and the initial average particle volume, V ¯ o...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001267
EISBN: 978-1-62708-170-2
... displacement alloys. The article concludes with a discussion on the safety and environmental concerns associated with nonelectrolytic deposition processes. dispersion alloy coating electroless alloy deposition electroless alloy plating nonelectrolytic alloy plating nonelectrolytic alloy plating...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003022
EISBN: 978-1-62708-200-6
... with the requirements for metallizing in mind. Electroless Plating Electroless (autocatalytic) plating is the deposition of a metallic coating (usually nickel or copper) by a controlled chemical reduction that is catalyzed by the metal or alloy being deposited. For plastics, it is deposited on a previously...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001323
EISBN: 978-1-62708-170-2
... for the elimination of all chromium in hard chromium plating. Electroless Nickel (EN) Plating Electroless nickel (EN) plating has been in existence for several decades. In this autocatalytic process, nickel ions are reduced to metal by the action of chemical reducing agents, without the need for an electric...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
...Abstract Abstract This article describes the steps, bath composition and characteristics, equipment, plating rate, deposit thickness, and applications for different types of nonelectrolytic deposition processes, including electroless nickel plating, electroless copper plating and mechanical...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003687
EISBN: 978-1-62708-182-5
...) plating. This last method is widely used on parts that cannot be properly plated by electrodeposition. The limitation is that the most prevalent coating applied autocatalytically—electroless nickel—deposits an alloy of nickel and phosphorus (phosphorus content varies with the solution used...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001264
EISBN: 978-1-62708-170-2
... mechanical properties metallurgical properties physical properties plastics solution composition steel ELECTROLESS NICKEL PLATING is used to deposit nickel without the use of an electric current. The coating is deposited by an autocatalytic chemical reduction of nickel ions by hypophosphite...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006491
EISBN: 978-1-62708-207-5
... deposition, as immersion plating, does not require an outer electrical circuit. It involves a chemical reduction, in which the metal is deposited in the presence of a reducing agent. In electroless or autocatalytic plating, no external voltage/current source is required. The reduction is forced by a reducing...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003731
EISBN: 978-1-62708-177-1
...′ (transitional); hcp (0001) ∥ (111), [11 2 0] ∥ [1 1 0] Ag-Cu Ag solid solution; fcc Cu solid solution; fcc Plates ∥ {100}; all directions ∥ Cu solid solution; fcc Ag solid solution; fcc Plates ∥ {111} or {100}; all directions ∥ Ag-Zn β (βAgZn); bcc Ag solid solution; fcc (111) ∥ (110), [1 1 0...
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
...Abstract Abstract This article provides a detailed account of the various alkaline and acid plating baths used for electrolytic copper plating. Dilute cyanide and Rochelle cyanide baths, high-efficiency sodium and potassium cyanide baths, alkaline noncyanide copper plating baths, and alkaline...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001245
EISBN: 978-1-62708-170-2
... parameters of the plating solution. Decorative applications account for about 80% of the nickel consumed in plating; 20% is consumed for engineering and electroforming purposes. Autocatalytic (electroless) nickel plating processes are commercially important but are outside the scope of this section...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004153
EISBN: 978-1-62708-184-9
... zones occur near the flue gas inlet, causing scale deposition. Crevice corrosion can occur beneath these deposits because of the presence of chlorides and possibly fluorides from the coal and the low pH values that develop as corrosion proceeds in an autocatalytic manner. The potential severity...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005707
EISBN: 978-1-62708-171-9
...) and thermochemical (carburizing, nitriding, and boriding) surface modifications, electrochemical treatments (electroplating, and anodizing), chemical treatments (electroless plating, phosphating, and hot dip coating), hardfacing, and thermal spray processes. It provides information on chemical and physical vapor...
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
... Nickel Plating Electroless nickel plating is used to deposit nickel without the use of an electric current. The coating is deposited by an autocatalytic chemical reduction of nickel ions by sodium hypophosphite, sodium borohydride, or organic aminoboranes. When sodium hypophosphite is the reducing...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006335
EISBN: 978-1-62708-179-5
...Abstract Abstract Coating of cast irons is done to improve appearance and resistance to degradation due to corrosion, erosion, and wear. This article describes inorganic coating methods commonly applied to cast irons. The coating methods include plating, hot dip coating, conversion coating...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
... ). Tensile residual stresses can be produced in the coating during plating and can lead to a network of larger cracks on the material. Similar structures are observed for autocatalytic coatings, such as electroless nickel, where phosphorus-containing reducing agents are present in the plating solution...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006428
EISBN: 978-1-62708-192-4
... without the processing related challenges. The plating bath is a careful balance of chemistry consisting of agents that precipitate the desired coating along with stabilizers that keep the bath stable. The component to be plated provides an autocatalytic surface wherein the coating of the desired...