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graphite fluoride coatings

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Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006040
EISBN: 978-1-62708-172-6
.... Therefore, concrete, masonry, and steel structures in that portion of the plant must be properly coated. The most widely used coatings for those purposes today (2015) are epoxy coatings. Fluoridation is an optional process in which silicofluoride compounds are added to treated drinking water to raise the...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001293
EISBN: 978-1-62708-170-2
... ) and in a technical paper by Allison and Hawkins in 1914 ( Ref 2 )—both from the General Electric Research Laboratories. The process consisted of embedding pieces to be coated in powder mixtures of aluminum, ammonium chloride, and graphite, and heating the assembly at 450 °C (840 °F) for two hours. A...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001274
EISBN: 978-1-62708-170-2
... contain complex or free fluorides to accelerate coating formation and to block the coating-inhibiting effect of soluble aluminum. Table 2 Accelerators used in phosphate coating processes Type of accelerator Accelerator source Effective concentration Optimum operating conditions Advantages...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001280
EISBN: 978-1-62708-170-2
... Table 10 Descaling of stainless steels and heat-resisting alloys before ceramic coating Alloy Immersion time, min Solution 1 Sodium hydroxide (a) Solution 2 Sodium hydride (b) Solution 3 Nitric-hydrofluoric acid (c) Solution 4 Nitric acid (d) 410, 430 1–2 10–30 None 5...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003810
EISBN: 978-1-62708-183-2
... parameters to be considered before selecting the cast irons for corrosion services. austenite bainite cast iron chromium metallic coating organic coating conversion coating copper corrosion resistance crevice corrosion enamel coating erosion-corrosion ferrite fretting corrosion graphitic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004032
EISBN: 978-1-62708-185-6
... widely used in forging are conversion coatings with soaps (stearate compounds) and molybdenum disulfide for cold forging, oil-based thick, film oil or polymer-based lubricants and molybdenum disulfide for warm application, graphite suspensions in oil or water for hot forging steels, and glass films for...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001244
EISBN: 978-1-62708-170-2
... Abstract Most decorative chromium coatings have been applied using hexavalent and trivalent plating processes that are based on chromic anhydride. This article provides a discussion on chromium electrodeposits and their use as microdiscontinuous coating for corrosion protection. It focuses on...
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
... ). Conversion coatings are applied by immersing the material in a tank containing the coating solution. Spraying and brushing are alternate methods of application. One coating bath consists of an aqueous solution of sodium orthophosphate, potassium fluoride, and hydrofluoric acid, which can be used with various...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
..., electrochemical cleaning, mechanical cleaning, and mass finishing. It also examines coating processes such as plating, anodizing, chemical conversion coating, and thermal spray, and concludes with a discussion on oxidation-resistant coatings for refractory metals. anodizing barrel burnishing buffing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... vacuum or inert environment. Electrolytic or nonelectrolytic deposition of metal ions from a fused metal salt solution, such as fluorides, chlorides, and bromides, on the substrate material. Pure or alloy coatings are formed. Deposition of charged metal particles from a liquid suspension onto a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... Abstract This article describes the use of conventional machining techniques, laser cutting and water-jet cutting for producing finished composite parts. It explains two representative polymer-matrix composites--graphite and aramid composites--and discusses the machining and drilling problems...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005294
EISBN: 978-1-62708-187-0
... nodularizing of the graphite during solidification. Molten metal treatments for cast iron also include fluxing and inoculation. Fluxes are inorganic compounds such as limestone and calcium fluoride that refine the molten metal by removing dissolved gases and various impurities that may be detrimental to the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
... Abstract This article provides crystallographic and engineering data for single oxide ceramics, zirconia, silicates, mullite, spinels, perovskites, borides, carbides, silicon carbide, boron carbide, tungsten carbide, silicon-nitride ceramics, diamond, and graphite. It includes data on crystal...
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
... duplex coatings approached the corrosion resistance of 316L steel. Chromium coatings of 0.1 and 0.3 μm (0.004 and 0.012 mil) thickness significantly improved the corrosion resistance of a chromium alloy steel exposed to chloride and fluoride containing volcanic ash ( Ref 27 ). Chromium-plated steel is...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001283
EISBN: 978-1-62708-170-2
... decomposition of a hydrocarbon, such as methane: CH 4 → C ( diamond ) + 2 H 2 The reaction can be activated by microwave plasma, thermal means (hot filament), or plasma arc. Diamond-like carbon (DLC) represents a new form of carbon coating that is neither diamond nor graphite. A...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001259
EISBN: 978-1-62708-170-2
... Abstract Chromium alloys yield alloy coatings with properties that range from completely satisfactory to marginally acceptable, depending on the end use. This article provides a detailed description of plating solutions and deposition conditions and rates of chromium-iron, chromium-nickel, and...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003820
EISBN: 978-1-62708-183-2
... discusses the corrosion protection in magnesium assemblies and the protective coating systems used in corrosion protection practices. The protection schemes for specific applications and production of novel magnesium alloys with improved corrosion resistance are also described. The article concludes with a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
..., electromagnetic welding, and polymer-coated material welding. adhesive bonding adhesive types assembly fastener selection considerations fusion bonding joining methods mechanical fastening polymer-matrix composites THE STRUCTURAL EFFICIENCY of a composite structure is established, with very few...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
... Abstract This article focuses on ceramics, glasses, glass-ceramics, and their derivatives, that is, inorganic-organic hybrids, in the forms of solid or porous bodies, oxide layers/coatings, and particles with sizes ranging from nanometers to micrometers, or even millimetres. These include inert...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
... 30.0 g/L max (4 oz/gal max) … Shallow etch Prerinse delay in air 5 s max (d) … Powdery coating Dichromate Sodium dichromate 120–205 g/L (16–27 oz/gal) (e) Nonuniform or no coating Uneconomical Calcium fluoride Powdery coating No problem Free fluoride 0.2% max … No coating...