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molybdenum disulfide

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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
... Abstract This article lists functions of lubricants common to the majority of applications and processes. It discusses the lubricant candidates widely used in forging: conversion coatings with soaps (stearate compounds) and molybdenum disulfide for cold forging; oil-based thick, film oil or...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003994
EISBN: 978-1-62708-185-6
... can be used during heating. The liquid oxide formed during heating can serve as a lubricant. Glass coatings are often used to protect against oxidation; they also provide lubrication and prevent heat loss during forging. Molybdenum disulfide and colloidal graphite are suitable lubricants for small...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... provided by molybdenum disulfide, and other chalcogenides of molybdenum, tungsten, and niobium. Oxygen, sulfur, and other contaminants cause increased filming. In applications in air, a drop in voltage can result from an equilibrium between oxidation and filming (which tend to increase the drop) and...
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
... tantalum and niobium. They are seldom used for finishing the product of these metals. When oxide scale is combined with grease, graphite, molybdenum disulfide, and other lubricants on the workpieces of tantalum and niobium, an alkaline cleaning process is usually used. The starting product for the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
... general overheating can change the properties of the work metal and the lubricant. Table 2 lists the lubricants ordinarily used in forming stainless steel by various processes. Except for the special-purpose lubricants graphite and molybdenum disulfide, they are listed in the approximate order of...
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
... of the metal after conversion coating and lubricating with one part of molybdenum disulfide and two parts of thermosetting eponphenolic resin. Table 6 Comparison of conversion coatings used with various lubricants in wiredrawing of titanium Coating Drawing compound Total reduction, % No...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... lists the relative effectiveness of four types of lubricants for various functions. Some of the more important additives include emulsifiers, extreme-pressure (EP) additives, thickeners, solid lubricants (e.g., graphite and molybdenum disulfide), antifoaming agents, corrosion inhibitors, and...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006661
EISBN: 978-1-62708-213-6
... = 0.52. Pierce et al. ( Ref 34 ) used TPD to investigate the thermal decomposition of a molybdenum disulfide (MoS 2 ) film on a molybdenum substrate. Molybdenum disulfide is a dichalcogenide and is frequently used as a solid lubricant. The TPD experiments were performed on ~230 nm thick MoS 2 films...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
... press forming operations to avoid the use of pigmented compounds. Pigmented compounds most commonly used contain one or more of the following substances: whiting, lithopone, mica, zinc oxide, bentonite, flour, graphite, white lead (which is highly toxic), molybdenum disulfide, animal fat, and soaplike...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001290
EISBN: 978-1-62708-170-2
... available for use on substrates that are up to 120 mm (4.7 in.) in diameter. Some of these units are used for semiconductor applications, as well as for nonelectronic applications, such as the deposition of molybdenum disulfide films for friction reduction. In the case of sputter deposition, maximum...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... include solids such as white lead, talc, graphite, and molybdenum disulfide in a vehicle such as a neutral oil or paraffin oil. Soluble oils include mineral oils to which agents such as sodium sulfonates have been added to make the oil emulsifiable in water. Soluble oils are good for cooling and...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005267
EISBN: 978-1-62708-187-0
... nitriding for better resistance to heat checking and spalling. Lubricating the slides and cores with molybdenum disulfide or colloidal graphite helps to ensure smooth action and minimize wear. With hot chamber die casting of zinc alloys, the surface life of the die casting die is normally much longer than...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003181
EISBN: 978-1-62708-199-3
..., molybdenum disulfide, colloidal graphite in a volatile vehicle, colloidal graphite in tallow, and thin sheets of paper or fiber glass. Because strain hardening is related to the solid-solution strengthening afforded by alloying elements, strain-hardening rate generally increases with the complexity of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
... service life of the mold. A molybdenum disulfide lubricant is recommended for all threaded fasteners used on a mold, such as mold lock clamps, end plate bolts, mold attaching bolts, and mold centering bosses. Various mold end plate designs ( Fig. 4 ) can be used, depending on individual preference and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... salts, such as calcium stearate (the predominant lubricant for PVC) and zinc stearate; fatty acids; fatty alcohols; fatty acid amides; waxes; silicones; fluorinated polymers; and inorganic lubricants such as molybdenum disulfide. Besides their beneficial effects on the properties of plastics...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003991
EISBN: 978-1-62708-185-6
... used include graphite in a fluid carrier or water-based coatings used in conjunction with phosphate conversion coating of the workpiece. For still lower forging temperatures, such as less than about 400 °C (750 °F), molybdenum disulfide has a greater load-carrying capacity than graphite. Molybdenum...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
... swaging operations, phosphate conversion coatings, molybdenum disulfide, and Stoddard solvent. Stoddard solvent is a colorless, refined petroleum product that is especially useful for swaging aluminum to avoid galling on the tools. Mandrel lubricants must be used during mandrel swaging to prevent...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
... depths between 200 and 380 μm (0.008 and 0.015 in.). Table 6 Residual and impurity element limits Element Maximum concentration, mass % Copper 0.20 Nickel 0.10 Chromium 0.10 Molybdenum 0.04 Tin 0.02 Nitrogen 0.009 Boron 0.0007 (a) Sulfur 0.020 Phosphorus...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
... parallel to within 0.0002 (ASTM E209). Lubrication at the interface between the platen and the specimen is important in achieving uniform deformation. However, at elevated temperature, this can be difficult. Typical lubricants are graphite sheet, water-base graphite, boron nitride solutions, molybdenum...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
... these polymers (polytetrafluoroethylene, or PTFE, polyamides, and polyethylene) are self-lubricating; that is, they form transfer films that reduce friction ( Ref 7 ). Other plastics are formulated with lubricating additives such as molybdenum disulfide (MoS 2 ), graphite, or PTFE. Table 1...