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salt bath coating

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Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005773
EISBN: 978-1-62708-165-8
.... It details the growth process and nucleation process of carbide and nitride coatings formed on the metal surface. The article discusses the advantages, disadvantages, and characteristics of the various coating processes, including high-temperature salt bath carbide coating, high-temperature fluidized-bed...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001225
EISBN: 978-1-62708-170-2
... polymers and coatings Dissolution of sand, ceramic, and glassy materials Stripping of plasma carbide coatings In addition, molten salt baths may be used to pretreat cast iron surfaces before brazing and bonding operations. Molten salt baths for cleaning applications are chemically active...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... performance of stainless steel. This article describes the surface treatment of stainless steels including abrasive blast cleaning, acid pickling, salt bath descaling, passivation treatments, electropolishing, and the necessary coating processes involved. It also describes the surface treatment of heat...
Book Chapter

By Nabil Zaki
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001257
EISBN: 978-1-62708-170-2
... in accelerated corrosion tests. This suggests that these coatings may be suitable for use in sulfur-containing corrosive environments. There are two types of zinc-cobalt plating baths; acid and alkaline. Alkaline baths are preferred for tubes and other configurations with internal unplated areas. Exposure...
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
... 117 salt spray test) Hydrated metal salt coating (Mg, Ni, Mn, Sn, Ti, Fe, Ba, Cu, Co, Ca) Does not meet salt spray requirement Poor adhesion Peroxide oxidant coating Does not meet salt spray requirement Poor adhesion Unstable chemical baths Oxyanion analogs (molybdates, tungstates...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006521
EISBN: 978-1-62708-207-5
..., applied via spray, are easily deposited on aluminum surfaces provided fluoride ion is present in the bath. Sodium or potassium salts are also present to prevent the buildup of soluble aluminum in the bath, which inhibits coating formation. In the processing of a metal mix of aluminum, steel...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
..., flash-pickling bath, such as that with the formulation given above. However, most heat-resistant alloys form a tenacious coating in the presence of carbon monoxide or water because of their high content of oxide-forming metals, such as nickel, cobalt, and chromium. The resulting oxides vary widely...
Book Chapter

By J.R. Keough
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005820
EISBN: 978-1-62708-165-8
... in the quenching of ferrous materials is covered in this article. Salts are also used for descaling, processing of nonferrous materials, nitriding, and removing various coatings and ceramic shell material. Molten salts are usually the medium of choice for high-temperature quenching. Examples are: Isothermal...
Book Chapter

By Daryl D. Peter
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001388
EISBN: 978-1-62708-173-3
...Abstract Abstract This article describes the dip brazing process and the principal types of furnaces used for molten-salt-bath dip-brazing applications. It provides information on equipment maintenance, which is divided into temperature control, control of the liquid, and maintenance...
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
... is present as potassium silver cyanide, and its concentration must be maintained by making periodic additions of this double salt. Careful attention must be paid to buffering because of the tendency to produce low pH values at the insoluble anodes. If this occurs, an insoluble silver salt will rapidly coat...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
... plating. bath composition deposit thickness electroless copper plating electroless nickel plating equipment mechanical plating plating rate Electroless Nickel Plating ELECTROLESS NICKEL PLATING is used to deposit nickel without the use of an electric current. The coating is deposited...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001311
EISBN: 978-1-62708-170-2
... metal and to maintain safe procedure during the working of titanium materials. Generally, a heavy oxide layer resulting from hot working of the metal is removed by grit blasting or other mechanical means, or by salt bath descaling. After removal of the scale, further mechanical or chemical treatment...
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
..., cyanides, chlorides, fluorides, and caustics, depending on the operation. For example, a mixture of nitrates and nitrites is normally used for tempering and quenching. An alkali chloride carbonate mixture is used for annealing ferrous and nonferrous metals. Neutral salt baths containing mixed chlorides...
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
..., and maintenance procedures, as well as the equipment used (salt bath furnaces) and safety precautions to be undertaken during the liquid nitriding process. It describes the different types of liquid nitriding process, namely, liquid pressure nitriding, aerated bath nitriding, and liquid nitrocarburizing...
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
..., bath composition, and case depth, and presents examples that relate dimensional change to several shapes that vary in complexity. It also provides information on the quenchant removal and salt removal processes, lists the applications of liquid carburizing in cyanide baths, and discusses the process...
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
... and Rochelle Cyanide Baths Dilute cyanide and Rochelle cyanide baths are primarily used to deposit a strike coating of 1.0 to 3.0 μm (0.05 to 0.1 mil) of copper prior to further copper plating or electrodeposition of other metals. Often the coverage during this step is the most important in the overall...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006499
EISBN: 978-1-62708-207-5
... produces a film similar to the hot DI water process; however, in this case, the film is heavier because of the nickel salts in the film. This can be prevented by using organic additives, but the selection of the additives is critical to avoid any problems, such as yellowing of the coating and/or poor...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005958
EISBN: 978-1-62708-168-9
...Abstract Abstract This article provides a detailed discussion on the heating equipment used for austenitizing, quenching, and tempering tool steels. These include salt bath furnaces, controlled atmosphere furnaces, fluidized-bed furnaces, and vacuum furnaces. The article discusses the types...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006512
EISBN: 978-1-62708-207-5
... coloring electrolytic coloring integral coloring organic dyeing ANODIZED ALUMINUM COATINGS can be colored using these methods: Integral coloring Electrolytic coloring Chemical coloring Organic dyeing Integral Coloring An anodizing bath containing organic acids...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003679
EISBN: 978-1-62708-182-5
... testing will separate excellent and poor coatings easily, but differentiating good and very good coatings is usually much more difficult. This is often a problem when results from salt- spray testing are used as a response variable for studying the effects of processing or bath chemistry changes. Data...