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electroless nickel-phosphorus coatings

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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
...Physical and mechanical properties of electroless nickel-boron and nickel-phosphorus deposits Table 6 Physical and mechanical properties of electroless nickel-boron and nickel-phosphorus deposits Properties are for coatings in the as-deposited condition, unless noted. Property...
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
... Engineering Nickel Coatings,” B689-97(2013), ASTM International , 2013 22. “Standard Specification for Autocatalytic (Electroless) Nickel-Phosphorus Coatings on Metal,” B733-15, ASTM International , 2015 23. “Standard Specification for Autocatalytic Nickel Boron Coatings for Engineering Use...
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
... to use gloves, goggles, and aprons when mixing and handling chemicals used in these processes. The use of a mask is required on some processes, and careful study of the material safety data sheet is required. Electroless nickel-phosphorus is the most common nonelectrolytic alloy coating system...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
..., or borohydride compounds. Nickel-phosphorus (6 to 12% P), nickel-boron (∼5% B), and composite electroless coatings are deposited on carbon and alloy steels, 300 and 400 series stainless steels, aluminum alloys, copper alloys, and plastics. Composite coatings, which are the most recently developed types...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
... by an autocatalytic chemical reduction of nickel ions by hypophosphite, aminoborane, or borohydride compounds. Nickel-phosphorus (6 to 12% P), nickel-boron (∼5% B), and composite electroless coatings are deposited on carbon and alloy steels, 300 and 400 series stainless steels, aluminum alloys, copper alloys...
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
...Plate characteristics of hard chromium plating and prospective alternative processes Table 1 Plate characteristics of hard chromium plating and prospective alternative processes Characteristic Chromium electrodeposition Low-phosphorus electroless nickel (generic) Ni-W-B...
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 Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003022
EISBN: 978-1-62708-200-6
... as the reducing agent ( Ref 10 ). Two important side reactions with electroless nickel are the deposition of phosphorus and the evolution of hydrogen. The addition of phosphorus gives a coating that is more corrosion-resistant than pure nickel. The hydrogen evolution maintains a turbulent interface with a good...
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
... Baths , Hyomen Gijutsu , Vol 43 ( No. 9 ), 1992 , p 835 – 838 32. Cedarleaf C.E. , Solution for Electroless Chromium Alloy Plating , U.S. Patent 4,028,116 , June 1977 33. Gruberger J. et al. , A Sulfate Solution for Deposition of Nickel-Chromium-Phosphorus Alloys...
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
...). The process includes grinding, degreasing bath, etching bath, pretreatment (zincate; nickel strike; adsorbed HP adlayer), and electroless nickel depositions ( Table 6 , Ref 7 ). Composition and operating conditions of degreasing, etching, and electroless nickel-phosphorus baths for 7075-T6 aluminum alloy...
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
..., nickel-base, and even titanium and zirconium materials in terms of range of services covered and product cost. Two major applications of organic coating, as described further in this section, are coating of cast irons for corrosion protection with atmospheric exposure and protection of underground...
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: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.9781627081849
EISBN: 978-1-62708-184-9
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
... spray H H Good conductivity; hard, dense coat; very effective Special equipment needed; prone to flaking; may distort housing Conductive paints  Silver VH VH Good conductivity; conventional equipment; resists flaking; easy to apply Expensive  Nickel L M Conventional equipment...
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.a0001245
EISBN: 978-1-62708-170-2
... are required for semibright nickel plating. (c) Typical properties of bright nickel deposits are as follows: elongation, 2 to 5%; Vickers hardness, 100 gram load, 600 to 800; internal stress, 12 to 25 MPa (compressive). Coating systems on steel giving best performance after 15 years of outdoor...
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
... that cause delamination of the coating and the entrapment of organic plating compounds and gases that in turn cause the deterioration of solderability. Coatings used as solderable surfaces are typically the elemental metals, that is, nickel or copper. Multi-elemental thick-film layers are used as solderable...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004184
EISBN: 978-1-62708-184-9
... and Hypochlorites , Process Industries Corrosion , National Association of Corrosion Engineer , 1975 , p 298 64. Zeller R.L. and Salvati L. , Effects of Phosphorus on Corrosion Resistance of Electroless Nickel in 50% Sodium Hydroxide , Corrosion , Vol 50 ( No. 6 ), 1994 , p 457 – 467...
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...