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liquid lubricants

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... and friction control, the relationship between viscosity and breakaway friction, and the factors that affect load-carrying capacity and service life. friction control industrial greases liquid lubricants solid-film lubricants DUNCAN DOWSON, a distinguished professor at the University...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... Abstract This chapter covers common types of erosion, including droplet, slurry, cavitation, liquid impingement, gas flow, and solid particle erosion, and major types of wear, including abrasive, adhesive, lubricated, rolling, and impact wear. It also covers special cases such as galling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
..., friction is high. Full-film lubrication exists when a thick layer of solid lubricant/dry coating is present between the dies and the workpiece. In this case, the friction conditions are governed by the shear strength of the lubricant film. Hydrodynamic conditions exist when a thick layer of liquid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... Sliding:  Lubricated, such as engine crosshead or shaft in a bearing  Nonlubricated, such as fasteners, nuts, and bolts Rolling:  Lubricated, such as roller bearings and gears  Nonlubricated, such as wheels on tracks Liquid or vapor impingement on metals Wet steam, such as turbines...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... with liquid lubricants since all automobile owners deal with oil changes on their vehicles. The ultimate fluid film lubrication from the friction standpoint is hydrostatic lubrication; a machine component floats on a film of pressurized oil (or other fluid, like water as shown in Fig. 14.13 in Chapter 14...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
... contact. Lubricate the joint: Because the joint is essentially stationary, liquid lubricant cannot flow through the interface as it can where there is continual sliding motion. Certain greases, solid film lubricants (e.g., molybdenum disulfide), and oils are intended to reduce or delay fretting...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... a high-friction, even stick-slip tribosystem unless friction modifiers are used. Friction modifiers can be anything added to a plastic that is chemically different from the plastic. Most plastics used for tribological applications have solid or liquid lubricants added to them. Typical solid lubricants...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... is essentially stationary, liquid lubricant cannot flow through the interface as it can where there is continual sliding motion. Certain greases, solid-film lubricants (such as molybdenum disulfide), and oils are intended to reduce or delay fretting. Prevent fracture. Fracture resulting from fretting wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
.... Motion will be absorbed by the elastomeric material, preventing metal-to-metal contact. Lubricate the joint . The problem here is that because the joint is essentially stationary, liquid lubricant cannot flow through the interface (as is the case with continual sliding motion). Therefore, some...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
..., is mated with the lowest, and in dry testing, this was the result. When liquid lubrication is present, the COF can go into the hydrodynamic range of less than 0.1. The researchers who work with DLC coatings can identify DLC coatings/counterfaces/tribosystems where the kinetic friction coefficients...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... is either called re-pressing or restrike densification. Alternately, if the primary goal is to meet dimensional tolerances and minimize the effects of distortion, the process is called sizing, coining, or restrike sizing. These press-forming processes do require lubrication. A liquid lubricant is often...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... hardening compared to the conventional steels. Higher interface temperature and interface pressure are detrimental to both liquid lubricants and dry film lubricants, leading to failure of commonly used lubricants for forming AHSS. Hence, the lubricants used for AHSS forming should have high-pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... pressures, and the force and energy requirements. In many instances, lubricants are used to minimize friction. Lubricants also reduce die wear, help in providing temperature control, and minimize high-temperature oxidation. References 1. Beddoes J...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
... Molded Green Parts , Processing and Fabrication of Advanced Materials IV , Vol 2 , Khor A. , Srivatsan T.S. , and Moore J.J. , Ed., Institute of Materials , London, U.K. , 1998 , p 1477 – 1488 2. Huang H.S. , Lin Y.C. , and Hwang K.S. , Effect of Lubricant Addition...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300001
EISBN: 978-1-62708-323-2
... readers with some of the fundamental tribology terms that will be repeated throughout this book. tribology tribosystems References 1. Kajdas C. , Harvey S.S.K. , Wilusz E. , Encylopedia of Tribology , Elsevier , Amsterdam , 1990 2. “ Lubrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
... Abstract Stainless steel powders are usually made by water or gas atomization. This chapter describes both processes and the properties and characteristics of the powders they produce. It also discusses secondary processes, including drying, screening, annealing, and lubricating...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... is forced into a metal mold that automatically opens and ejects the part as soon as it is frozen. The production rate is high but so are capital costs. In recent variations of this process, called thixotropic or rheocasting , the melt is approximately half solid-half liquid when it is injected...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... cavities, or pits, in either of two surfaces that contact each other primarily by rolling and/or sliding action, or—in the case of cavitation pitting fatigue—in a metal surface subjected to extreme pressure in contact with a liquid. The cavities themselves are serious because they frequently act...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
...% of an admixed lubricant that reduces friction during pressing, facilitates compaction and ejection, and lengthens the compaction die life. Widely used lubricants include stearic acid, synthetic waxes, zinc stearate, lithium stearate, and mixtures of these. The addition of a lubricant to a powder affects many...