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electroless nickel composite coatings

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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
... Ref 24 Wear resistance of electroless nickel (EN) composites and other common surfaces Table 5 Wear resistance of electroless nickel (EN) composites and other common surfaces Coating type Taber wear index Yarnline abrasive wear rate EN-diamond 0.0115 3.2 EN-silicon carbide...
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
... composite coating. 1000× Fig. 20 Twin tank system for electroless nickel plating. Tanks are used alternately. While one tank is being used to plate, the second is being passivated. Cylindrical tank is used to store 30% nitric acid for passivation. Fig. 17 Effect of heat treatments at 400...
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
... wet paint adhesion Single process bath Environmentally benign Very promising Abstract Abstract This article focuses on alternatives to chromium in both hard chromium plating and chromate conversion coating. These include electroless nickel plating, nickel-tungsten composite...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
... plating. bath composition deposit thickness electroless copper plating electroless nickel plating equipment mechanical plating plating rate Electroless Nickel Plating ELECTROLESS NICKEL PLATING is used to deposit nickel without the use of an electric current. The coating is deposited...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
..., most hypophosphite reduced electroless nickel solutions are operated between 4 and 5.5 pH. Table 1 lists compositions of alkaline and acid plating solutions. Electroless nickel coatings are produced by the controlled chemical reduction of nickel ions onto a catalytic surface. The deposit itself...
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
... electroless nickel plating in printed circuit board applications. The addition of ruthenium reduces the number of palladium atoms on the surface and improves the adhesion of the nickel to the copper. The electroless alloy coatings discussed in this article are produced from aqueous solutions following...
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
... amounts of nickel ions are sufficient to cause a rapid decomposition of the borohydride bath reported by Okinaka. Because of the effects of nickel, the use of an immersion gold coating of about 0.25 μm over a nickel substrate is often recommended prior to electroless gold deposition. Some electroless gold...
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
... coating. Environmental considerations sometimes necessitate substitution for cyanide-containing solutions. Nickel strikes, which are successful as a result of careful control of composition and operation conditions, permit this. Conditions for electroplating various metals on zincated aluminum surfaces...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003022
EISBN: 978-1-62708-200-6
...) is metallized. If possible, the part should be designed with the requirements for metallizing in mind. 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...
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
... produced molded interconnect devices. Courtesy of Shipley Co. Fig. 3 Examples of plastic composite connectors plated with electroless copper and nickel. Courtesy of Shipley Co. Fig. 5 Comparison of electroless copper processes. Unless otherwise stated, it should be assumed that one...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002466
EISBN: 978-1-62708-194-8
.... Baudrand D.W. , Electroless Nickel Plating , Surface Engineering , Vol 5 , ASM Handbook , ASM International , 1994 , p 290 – 310 48. Barmak K. , Banovic S.W. , Petronis C.M. , Susan D.F. , and Marder A.R. , Structure of Electrodeposited Graded Composite Coatings...
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
... is above about 10 wt%, the coating is amorphous and therefore lacks grain boundaries or other crystalline defects at which corrosion can be initiated. Electroless nickel has some advantage over electrolytic nickel in that its thickness and phosphorus content are uniform over the substrate and independent...
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
...- iron, zinc-nickel, and tin-zinc are of ever-growing importance. Ternary alloys, such as karat gold alloys and Cu-Sn-Zn, are also available. Nickel-phosphorus and nickel-boron are readily plated by the autocatalytic (electroless) process. Nickel-phosphorus can also be electrodeposited. Coatings of many...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001259
EISBN: 978-1-62708-170-2
...), and a current density of about 25 A/dm 2 (250 A/ft 2 ). A nickel-chromium alloy anode can be used. Amorphous chromium-nickel deposits, which are similar to chromium-iron coatings, also can be obtained, either by electroless ( Ref 31 , 32 ) or electrolytic ( Ref 33 , 34 ) techniques. These amorphous...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
... resistance. This article describes cleaning, finishing, and coating processes for copper and copper alloys. These processes include pickling and bright dipping, abrasive blast cleaning, chemical and electrochemical cleaning, mass finishing, polishing and buffing, electroless plating, immersion plating...
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
... will adhere to the casting. There are various types of organic and inorganic coatings and methods of application. Inorganic finishes—including metal- and ceramic-based coatings—are applied by a variety of techniques, such as electroplating, electroless plating, thermal spraying, hot dipping, ion plating...
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
... rates Electroless method Temperature pH Deposition rate °C °F μm/h mil/h Gold 65–88 149–190 10.0–13.0 2–5 0.08–0.2 Palladium 45–73 113–165 8.0–12.0 2–5 0.08–0.2 Cobalt 85–95 185–203 9.0–11.0 2.5–10 0.1–0.4 Acid nickel 77–93 170–200 4.4–5.2 12.7–25.4 0.5–1...
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
... carbon steel chromate conversion coatings chromium plating cleaning conversion coatings electrochemical finishing electrogalvanizing electroless nickel plating electroplating finishing hardfacing heat treatment high-strength low-alloy steel hot dip coatings ion implantation laser surface...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001460
EISBN: 978-1-62708-173-3
... or protective layer to prevent the formation of excessive oxidation and/or contamination by organic films on the solderable layer. This solderable surface can be either the base material surface itself or a coating deposited by electroplating, electroless plating, evaporation, pretinning (solder dip coating...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... Other coating processes applicable to aluminum alloys include electroless nickel plating, painting, and porcelain enameling. The common porcelain enameling alloys for the various forms of aluminum are: Sheet: 1100, 3003, and 6061 Extrusions: 6061 Castings: 443 and 356 Surface...