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electroplating

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Published: 01 January 1994
Fig. 1 Cost comparison of mechanical plating and electroplating. Approximate costs shown are for chemicals only and do not include labor or overhead. More
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Published: 01 January 1994
Fig. 4 Electroplating copper on stainless steels Solution no. Type of solution Composition of solution Operating temperature Cycle time, min °C °F 1 Anodic alkaline cleaner (a) Alkali, as low as possible (b) (b) (b) 2 Acid pickle H 2 SO 4 , 8–11% 65–70 More
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Published: 01 January 1994
Fig. 14 Processing sequence for electroplating copper on titanium alloy parts Solution No. Type of solution (a) Composition of solution 1 Acid dip 60% HF, 1 vol, 69% HNO 3 , 3 vol 2 Dichromate dip Na 2 Cr 3 O 7 · 2H 2 O, 290 g/L (33 oz/gal), 60% HF, 55 g/L (6.2 oz/gal More
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Published: 01 January 1994
Fig. 4 Process flow charts for preparation of steels for electroplating. See Table 9 for operating conditions. More
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Published: 01 August 2013
Fig. 11 Schematic of a typical electroplating process More
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Published: 01 January 2005
Fig. 5 Platinum-clad niobium, used widely as an anode material in electroplating and in impressed-current cathodic protection. (a) Expanded anode. (b) Cross section showing 1 μm (0.04 mil) thick platinum cladding on a niobium substrate. Original magnification 500× More
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Published: 31 December 2017
Fig. 1 Electroplating of a metal (cathode) with nickel. At the anode, metallic nickel (Ni 0 ) is dissolved, forming divalent, positively charged nickel cations (Ni 2+ ). Upon current flow, the nickel cations migrate toward the cathode, where they react with two electrons and plate out More
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
... Abstract This article discusses the various factors that affect the corrosion performance of electroplated coatings. It describes the effects of environment and the deposition process on substrate coatings. The article provides a discussion on the electrochemical techniques capable...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003833
EISBN: 978-1-62708-183-2
... Abstract This article discusses the corrosion of chromium electrodeposits and the ways for optimizing corrosion resistance. It describes the processing steps and conditions for hard chromium plating. These steps include pretreatment, electroplating, and posttreatment. The article also provides...
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
... Abstract This article discusses the fundamentals of electroplating processes, including pre-electroplating and surface-preparation processes. It illustrates the four layers of a plating system, namely, top or finish coat, undercoat, strike or flash, and base material layers. The article...
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Published: 01 January 2002
Fig. 22 Two views of a notched specimen that was electroplated with copper, wrapped with copper wire, and tested for 3 h at 1100 °C (2010 °F) without application of a load. No grain-boundary penetration of copper or intergranular cracking is evident, but there is evidence of minor bulk More
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Published: 31 October 2011
Fig. 9 SHADOW-like weld of tool steel-pinned lithographed, electroplated, and molded (LIGA) nickel parts rotated under single pulse from neodymium: yttrium-aluminum-garnet (Nd:YAG) laser. 1.3 revolutions during 10 ms and 15 J pulse. Source: Ref 50 More
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Published: 01 January 2006
Fig. 20 General corrosion of a cadmium electroplated carbon steel pin associated with the locking pawl of a F-14 ejection seat. Courtesy of J. Benfer, Naval Air Depot—Jacksonville More
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Published: 01 January 2002
Fig. 24 Zinc-electroplated 1060 steel fastener that failed by hydrogen embrittlement. The part was used to secure fabric to lawn-furniture framework. Dimensions given in inches More
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Published: 31 December 2017
Fig. 3 Schematic illustration of differences in electroplated film morphology at the microscale between levelling and microthrowing power. (a) Plating solution containing additives that provide levelling, altering the substrate microgeometry by preferentially filling defects and scratches. (b More
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Published: 31 December 2017
Fig. 4 Influence of processing parameters on the grain morphology of the electroplated film More
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Published: 01 December 2004
Fig. 38 From top: electroplated 0.013 mm (0.0005 in.) overlay of lead-tin alloy (SAE 191), sintered copper-lead alloy (SAE 49) liner, and steel backing. See also Fig. 39 . NH 4 OH + H 2 O 2 . Original magnification 100× More
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Published: 01 December 2004
Fig. 40 From top: electroplated overlay of lead-tin-copper alloy (SAE 192), electroplated brass barrier layer (see Fig. 41 for better detail), sintered copper-lead alloy liner (SAE 49), and steel backing strip (bottom). NH 4 OH + H 2 O 2 . Original magnification 100× More
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Published: 01 December 2004
Fig. 42 Electroplated overlay of SAE 192 on the cast 75Cu-25Pb alloy liner that first had been nickel plated; steel backing strip is at bottom. See also Fig. 43 . NH 4 OH + H 2 O 2 . Original magnification 100× More
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Published: 01 December 2004
Fig. 45 From top: electroplated 0.02 mm (0.0008 in.) overlay of lead-tin-copper alloy (SAE 193) and sintered copper-lead alloy (SAE 49) liner. See also Fig. 46 , which shows both tin and nickel diffusion barriers not resolvable at lower magnifications. NH 4 OH + H 2 O 2 . Original More