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alkaline noncyanide baths

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By A. Sato
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001248
EISBN: 978-1-62708-170-2
...Abstract Abstract Commercial zinc plating is accomplished by a number of distinctively different systems: cyanide baths, alkaline noncyanide baths, and acid chloride baths. This article focuses on the composition, advantages, disadvantages, operating parameters, and applications of each...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001242
EISBN: 978-1-62708-170-2
... noncyanide copper plating baths Table 2 Concentration limits and operating conditions of alkaline noncyanide copper plating baths Constituent or condition Typical Copper metal (from copper sulfate) concentration limit, g/L (oz/gal) 6–13.5 (0.8–1.8) pH, electrometric 9.0–10.5...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005778
EISBN: 978-1-62708-165-8
... at 175 °C (350 °F). (j) Tempered at 165 °C (325 °F) and treated at −85 °C (−120 °F) Typical applications of liquid carburizing in noncyanide baths Table 7 Typical applications of liquid carburizing in noncyanide baths Part Weight Steel Case depth Temperature Time, h Quench...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003215
EISBN: 978-1-62708-199-3
... like cylinders and shafts. Commercial zinc plating is accomplished by a number of distinctively different systems: cyanide baths, alkaline noncyanide baths, and acid chloride baths. In the 1970s, most commercial zinc plating was done in conventional cyanide baths, but the passage of environmental...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001247
EISBN: 978-1-62708-170-2
... are required when current density is high (above 215 A/m 2 , or 20 A/ft 2 ). Concentration of commercial noncyanide cadmium plating baths Table 2 Concentration of commercial noncyanide cadmium plating baths Bath Proprietary (a) Fluoborate (b) Acid sulfate (c) g/L oz/gal g/L oz/gal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003215
EISBN: 978-1-62708-199-3
... for coating iron and steel parts when protection from either atmospheric or indoor corrosion is the primary objective. Plating Baths Commercial zinc plating is accomplished by a number of distinctively different systems: cyanide baths, alkaline noncyanide baths, and acid chloride baths. In the 1970s...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005776
EISBN: 978-1-62708-165-8
... Property improvement, % Low-carbon steels 80–100 Medium-carbon steels 60–80 Stainless steels 25–35 Low-carbon, chrome manganese steels 25–35 Chrome alloy, medium-carbon steels 20–30 Cast irons 20–80 Recommended procedures for liquid salt bath nitriding in noncyanide baths...
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
... for Electrodeposited Coatings of Palladium for Engineering Use,” B679-98 (2015), ASTM International , 2015 Gold Electroplating Solution Composition Electroplating Hard Gold Deposits Alkaline Color-Flash and Similar Gold Deposits Gold Strike and Bath Maintenance Electroplated Nickel Electroless...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001253
EISBN: 978-1-62708-170-2
... adhesion on stainless steel. Lukens referred to this bath, made up with sodium gold cyanide, sodium cyanide, and hydrochloric acid as acid gold plating. The alkaline gold plating solutions in use in the early 1950s caused lifting of printed circuit resists, especially the wax-based resists introduced...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001261
EISBN: 978-1-62708-170-2
...Abstract Abstract Selective plating, also known as brush plating, differs from traditional tank or bath plating in that the workpiece is not immersed in a plating solution (electrolyte). Instead, the electrolyte is brought to the part and applied by a handheld anode or stylus, which...
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
... and reduction of fatigue strength are not dissipated as heat treating temperature approaches stress-relieving temperature. Nonmechanical Cleaning Nonmechanical cleaning methods applicable to cast irons include molten salt bath cleaning, pickling, and chemical cleaning, with the latter method including...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
..., or salt quench 580 1075 4,019,928 Mildly oxidizing Water, oil quench, or salt quench 540–575 1000–1070 4,006,643 Operating compositions of liquid carburizing baths Table 2 Operating compositions of liquid carburizing baths Constituent Composition of bath, % Light case, low...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004218
EISBN: 978-1-62708-184-9
... bath Zinc 40 0.043 0.28 95 7.4×10 −3 Zinc (alkaline noncyanide) plating bath Zinc 15 0.023 0.15 75 1.9×10 −3 Sodium hydroxide 115 0.023 0.15 75 1.4×10 −2 Silver strike bath Silver 6 0.03 0.2 90 8.3×10 −4 Cyanide (CN) 70 0.03 0.2 90 9.7×10 −3 Silver...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... Constituent Composition of bath, % Light case, low temperature (845–900 °C, or 1550–1650 °F) Deep case, high temperature (900–955 °C, or 1650–1750 °F) Sodium cyanide 10–23 6–16 Barium chloride … 30–55 (a) Salts of other alkaline earth metals (b) 0–10 0–10 Potassium chloride 0–25 0...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005784
EISBN: 978-1-62708-165-8
.... The noncyanide baths have the benefit of reduced restrictions for wastewater treatment as well as air scrubbing. These baths can experience the downside risk of reduced throwing power when attempting to attain uniform coverage down a blind hole. Regardless of the bath type, there is an inherent risk that must...
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
...% perchloroethylene, and baked again for 1 2 to 2 h. After being pickled in acid, the part can be plated in the conventional manner, preferably in an alkaline bath. Before being impregnated with oil, the parts are heated in a vapor degreaser and, while hot, immersed in cold oil. After cooling...
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
... mill products, forgings, castings and fabricated steel parts are: Abrasive blasting (dry or wet) Tumbling (dry or wet) Brushing Acid pickling Salt bath descaling Alkaline descaling Acid cleaning The most important considerations in selecting one of the above methods...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003828
EISBN: 978-1-62708-183-2
... uranium in some alkaline solutions. Corrosion resistance also depends on oxygen dissolved in solution. Therefore, the rate and even which material is the anode or cathode may change as solution pH or aeration changes. Corrosion rate will also depend on the ratio of the cathode and anode areas. For example...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005802
EISBN: 978-1-62708-165-8
... steel Fig. 20 Martempering time versus section size and agitation of quench bath for 1045 steel bars. Effects of bar diameter and agitation of quench bath on time required for centers of 1045 steel bars to reach martempering temperature when quenched from a neutral chloride bath at 845 °C...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3