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electroless nickel-boron 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: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001267
EISBN: 978-1-62708-170-2
... commercially available. Figure 1 shows the microstructure of an electroless nickel-thallium-boron plating deposit. Boron-reduced cobalt alloy coatings ( Table 4 ) are produced by a reduction reaction of sodium borohydride or DMAB reducing agents. The deposits are harder and have higher melting points...
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 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: 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: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005772
EISBN: 978-1-62708-165-8
.... Venkataraman B. and Sundararajan G. , The High Speed Sliding Wear Behaviour of Boronized Medium Carbon Steel , Surf. Coat. Technol. , Vol 73 ( No. 3 ), 1995 , p 177 – 184 18. Alimov Y.A. , Pham. Chem. J. , Vol 9 ( No. 5 ), May 1975 , p 324 – 336 19. Child H.C...
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
... electroplating processes are available as potential alternatives to chromium plating: nickel-tungsten-boron (Ni-W-B) composite electroplate ( Ref 2 ) and nickel-tungsten-silicon carbide (Ni-W-SiC) composite electroplate ( Ref 3 , 4 ). The two processes are similar in that they are both electrolytic and deposit...
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
... deposits are generally harder than the Ni-P ones. The ability of electroless nickel deposits to maintain their hardness under elevated-temperature service conditions increases with increasing phosphorus or boron content, but decreases rapidly above 385 °C (725 °F). Nickel-boron coatings tend to better...
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: 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.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: 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: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006420
EISBN: 978-1-62708-192-4
.... , Boriding of Nickel by Powder-pack Method , Surf. Coat. and Tech. , Vol 126 , 2000 , p 25 – 30 10.1016/S0257-8972(00)00517-X 7. Yeo , Kim , et al. , Pack Boronizing of a Co-Cr-W-C Alloy , Adv. Matls. Res. , Vol 26–28 , 2007 , p 1357 – 1360 8. Greco A. , Mistry K...
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: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006428
EISBN: 978-1-62708-192-4
... electrodes needs to be shaped keeping these factors in mind. Electroless nickel plating has emerged as an alternative solution to chrome plating because the coating system provides both wear and corrosion protection without the processing related challenges. The plating bath is a careful balance of chemistry...
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: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001106
EISBN: 978-1-62708-162-7
... in Fig. 9(a) , but with a special spiked nickel coating. Cubic boron nitride can be coated in a similar fashion. Vitreous bond systems are generally tailored from glass or ceramic formulations. Vitreous bonds are finding increasing application with CBN abrasive grains; they are also useful...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001246
EISBN: 978-1-62708-170-2
... for both the electrolytic and electroless deposition of iron alloys. Alloys are attracting more interest as replacements for nickel, but this chapter will address only electrodeposited pure iron deposits. Because many of the electrolytes used in iron plating are very corrosive, it is necessary...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
...) Electroless nickel plated and mounted Epomet in epoxy resin (resin not in the field of view). All four specimens were prepared in the same holder and were etched with nital. The arrows point to the nitrided surface layer. Fig. 12 Light micrograph of an ion-nitrided H13 tool steel specimen mounted...