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electroless nickel-boron coatings

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... that produce harder surfaces are nitriding, boronizing (boriding), and chromizing. The hardest metal coating is chromium plate, although hardened electroless nickel plate can attain values just under that of chromium. The surfaces that exceed the hardness of chromium are the cermets or ceramics, or surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... alloys Nickel/chromium/boron alloys Composites, such as WC and so on, in a binder Cobalt-base alloys Tool steels Build-up alloys (to put under hard layers) Others These material modifications are usually two layers thick, so they may have a finished thickness of several...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... 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 Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
... protection even in polluted environments Thermally sprayed zinc or aluminum Electrolytic zinc Painting or powder coatings with appropriate surface preparation and priming Heavy electrolytic nickel provided there are no defects in the coating Electroless nickel-phosphorus coating Aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... elements, such as chromium, boron, or aluminum are added to the coating formula. Silicide coatings are usually applied by some variation of the vapor-deposition process. Hot Dip Coatings Hot dip coatings are predominantly used to improve the aqueous corrosion of steel. Batch and Continuous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
... plating Improved corrosion resistance (nickel-phosphorus) and wear resistance (nickel-phosphorus and nickel-boron) Mechanical plating Improved corrosion resistance Weld overlays Improved wear resistance (hardfacing alloys) and corrosion resistance (stainless steel or nickel-base overlays...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400297
EISBN: 978-1-62708-258-7
... as incidental and are acceptable to the following maximum amount: copper to 0.35%, nickel to 0.25%, chromium to 0.20%, and molybdenum to 0.06%. (b) Electric furnace steel. (c) Boron content is 0.0005 0.003%. Appendix / 309 Alloy steel compositions applicable to billets, blooms, slabs, and hot-rolled and cold...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230207
EISBN: 978-1-62708-351-5
... widely dispersed in the parent metals. In consequence, isothermal solidification takes place rapidly at the joining temperature as the composition of the nickel filler tends toward pure nickel. Because boron embrittles many filler metals, this makes the production of ductile preforms difficult. One...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... protective linings barrier protection chemical inhibition galvanic protection surface preparation inspection quality assurance electroplating electroless plating hot dipping thermal spraying cladding pack cementation vapor deposition ion implantation laser processing COATINGS are the most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... 100 Iron, Fe 3.5 12 126 Indium, In 2.5 25 96 Magnesium, Mg 4.2 26 166 Manganese, Mn 1.7 23 122 Nickel, Ni 4.5 13 147 Phosphorus, P 3.5 … … Silicon, Si –10 7 127 Tin, Sn 2.6 23 87 Palladium, Pd … 11 120 Platinum, Pt … 9 152 Titanium, Ti...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
.... 4.35 A lap joint showing step height, H , fillet radius, R , and contact angle, θ Fig. 4.36 Recommended designs of (a) lap, (b) butt, and (c) strap joints for different stress environments Fig. 4.10 Expansion coefficient of iron-nickel alloys, at 20 °C, as a function...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390039
EISBN: 978-1-62708-459-8
... full bond strength could be established. For platinum, nickel, gold, silver, and lead, adhesion increases rapidly as temperature reaches about 0.4 T m , indicating that adhesion at constant homologous temperatures may be similar for various metals. Diffusion increases bond strength; therefore...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
... between mild steel components as a function of the joint clearance Fig. 2.15 Nickel-boron phase diagram Fig. 2.16 Nickel-phosphorus phase diagram. Source: Lee and Nash [1991] Fig. 2.12 Gold-copper phase diagram Fig. 2.13 Liquidus surface of the Ag-Au-Cu ternary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... coatings Thermal spray coatings (zinc, aluminum, or zinc-aluminum alloys) Electroless and electroplated coatings, for example, nickel-phosphorus, nickel, chromium, nickel-chromium-copper, zinc, and cadmium Clad coatings, for example, roll-bonded stainless steel on carbon steel Pack cementation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... oxide particles can be retained in voids in the specimen or at the specimen surface (at a steel/oxide-scale interface or a steel/mounting material interface, etc.). Figure 7.1 shows an example of silicon carbide particles embedded into the polished surface of a nickel-plated steel specimen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.9781627084598
EISBN: 978-1-62708-459-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... in this section. Consumable abrasive cutoff wheels use either silicon carbide for cutting nonferrous metals or aluminum oxide (alumina) for cutting ferrous metals. Some users also prefer alumina wheels for cutting aluminum, chromium, nickel, and tantalum. The abrasive grain size can be coarse or fine. Coarse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230361
EISBN: 978-1-62708-298-3
... as with increasing thickness of the deposit. In comparing a condensed beryllium with the evaporant source, the condensed deposit had lower amounts of the lower-vapor-pressure constituents (iron, BeO, chromium, nickel, copper), coarser grain size, and a columnar structure [ Anisimov et al. 1997 ]. The density...