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cyaniding

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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
... Abstract This article describes the uses of the liquid carburizing process carried out in low and high temperature cyanide-containing baths, and details the noncyanide liquid carburizing process which can be accomplished in a bath containing a special grade of carbon. It presents a simple...
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Published: 01 August 2013
Fig. 16 Comparison of compound zone thickness produced by low-cyanide and cyanide-based treatments containing sulfur More
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Published: 01 January 1994
Fig. 4 Effect of sodium cyanide concentration on the cathode efficiency of low-cyanide zinc solutions. ○:20 g/L (2.5 oz/gal) NaCN; ●:8 g/L (1 oz/gal) NaCN; Δ:30 g/L (4 oz/gal) NaCN; ▲:15 g/L (2 oz/gal) NaCN More
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Published: 01 January 1994
Fig. 1 SEM micrograph of an electroless gold film deposit obtained using a cyanide-base system with potassium borohydride as the reducing agent. Deposit thickness, 1.5 μm. 5000× More
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Published: 01 August 2013
Fig. 12 Basic system for batch treatment of waste water containing cyanide or barium salts Ref 9 More
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Published: 01 August 2013
Fig. 5 Nitrided case and diffusion zone produced by cyanide-cyanate liquid nitriding. The characteristic needle structure is seen only after a 300 °C (570 °F) aging treatment. Depth of compound zone about 0.01 mm More
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Published: 01 August 2013
Fig. 15 Sample of plain carbon steel after low-cyanide salt bath nitrocarburizing treatment (Process 3). The high level of apparent porosity is a characteristic of high sulfur content in the compound zone; dark areas are actually iron-sulfide nodules, not voids. More
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
... Abstract This article provides a detailed account of the various alkaline and acid plating baths used for electrolytic copper plating. Dilute cyanide and Rochelle cyanide baths, high-efficiency sodium and potassium cyanide baths, alkaline noncyanide copper plating baths, and alkaline copper...
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
... considerations and the increased cost of detoxification of cyanide-containing effluents have led to the development of low-cyanide salt bath nitrocarburizing treatments. The article reviews the wear and antiscuffing characteristics of the compound zone produced in salt baths with the help of Falex scuff test...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006296
EISBN: 978-1-62708-179-5
... with the aim of enhancing surface hardness and corrosion resistance of the products. The article describes molten salt bath cyaniding and ion nitriding of cast iron. annealing austempering austenitizing binary iron-carbon system cast iron corrosion resistance hardening heat treatment ion...
Book Chapter

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 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 of the baths...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001255
EISBN: 978-1-62708-170-2
... practically from 100% Cu to 100% Zn or Sn. The history of brass and bronze plating dates back at least as far as the 1840s. Early work that was commercially exploited occurred in Russia, France, and England. All of the early copper alloy plating solutions were cyanide based and used batteries for power...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
..., carbon and hardness gradients, and process procedures of different types of case hardening methods: carburizing (gas, pack, liquid, vacuum, and plasma), nitriding (gas, liquid, plasma), carbonitriding, cyaniding and ferritic nitrocarburizing. An accurate and repeatable method of measuring case depth...
Book Chapter

By Alan Blair
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001252
EISBN: 978-1-62708-170-2
...-bearing surfaces are not well lubricated (e.g, in kerosene fuel pumps on gas turbine engines.) Solution Formulations The first patent concerning electroplating was filed in 1840 and reported a process for plating silver from a cyanide solution. To this day, silver is plated almost exclusively...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003215
EISBN: 978-1-62708-199-3
... Abstract Copper can be electrodeposited from numerous electrolytes. Cyanide and pyrophosphate alkalines, along with sulfate and fluoborate acid baths, are the primary electrolytes used in copper plating. This article provides information on the chemical composition, plating baths, and operating...
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
... Abstract Electrodeposits of cadmium are used to protect steel and cast iron against corrosion. This article provides an overview of the surface preparation of, and brighteners used in, cyanide baths. It focuses on the anode system, current density, deposition rates, and bath temperature...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001266
EISBN: 978-1-62708-170-2
... a cyanide-base system with potassium borohydride as the reducing agent. Deposit thickness, 1.5 μm. 5000× Process Description As mentioned earlier, the deposition of gold without an external source of current can occur by a simple displacement reaction between two metals: (Eq 1...
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
... (actually on the acid side) and from solutions that contained no free cyanide. The alkalinity of free cyanide lifted the resist and sometimes even lifted the laminate itself. It was rediscovered that potassium gold cyanide was stable at acidic pH. Under these conditions of mild acidity, hard, bright...
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Published: 01 January 1993
Fig. 2 Microstructures of alloy 400 (UNS N04400) welded with filler metal 60. (a) As welded; cyanide persulfate etchant, 70×. (b) Welded, plus 20% cold reduction, plus anneal at 871 °C (1600 °F)/2 h; cyanide persulfate etchant, 150×. Source: Ref 5 More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001249
EISBN: 978-1-62708-170-2
... overcome by adding gelatin or glue to the bath to increase its viscosity. Plating Baths The four most commonly used indium plating baths are indium cyanide, indium fluoborate, indium sulfamate, and indium sulfate. Table 1 compares these processes. The details of the processes are shown in Tables...