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Lubrication oils

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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
...Abstract Abstract This chapter covers the tribological properties of different types of oil, greases, solid lubricants, and metalworking and traction fluids. It explains how lubricants are made, how they work, and how they are applied and tested. It also discusses the fundamentals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... the risk of scuffing. In addition, recommendations for lubricant selection, viscosity, and method of application are discussed. The chapter discusses in greater detail the applications of oil lubricant. Finally, a case history demonstrates how the tribological principles discussed in the chapter can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... to excessive clearance between the outer race of the bearing and the steel housing, further assisted by insufficient lubrication. It was recommended that the designed clearance be reexamined and the bearing retaining plate be redesigned to allow more flow of oil to the bearings. An aircraft engine had...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... that separate or lubricate surfaces, including solid film, chemical conversion, and vacuum coatings, surface oiling and texturing, and lubricating platings. It compares and contrasts methods based on thickness and depth and their relative effect on friction, erosion, and wear. coatings friction and wear...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780141
EISBN: 978-1-62708-268-6
... concentration. If the test solution is contaminated, it can result in inaccurate monitoring-equipment calibration. Cleaning solutions can contaminate products if the solution is contaminated. Lubricating oils can become contaminated and fail to provide their required lubricating function, or they can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270102
EISBN: 978-1-62708-301-0
... by the squeezed-out lubricating oil laden with solid particle debris. The oil squeezing is the result of flexing action of the bevel gear. The telltale marks on the gear assembly clearly indicate that there existed a cyclic relative motion between the bolt and the bevel gear, leading to fatigue failure. Poor...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... of a tribosystem where friction or wear failures cannot be tolerated is in jet engines. Engine manufacturers perform nondestructive testing on almost every component, and the lubrication oil that is used in the ball bearing on rotors and the like have to pass about 40 screening tests before they can be actually...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... High-Stress Abrasion Gouging Abrasion Polishing Wear Properties Lubricating Oils Lubricating Grease Solid Lubricants Standardized Wear Testing Methods Variables to be Controlled in Wear Testing Wear Testing Devices: Commercially Manufactured and Custom Made Abrasive wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... are primarily due to service-related causes, such as misalignment, poor lubrication, and overloading, which constitute the greatest source of all gear failures, as shown in Table 2 ( Ref 7 ). Heat treatment was the second most often cited cause for failure. However, it is often difficult to detect the root...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... flank of a nylon oil-lubricated driving gear. The pitting produced numerous surface microcracks in association with large-scale fragmentation (frictional wear). The stress-cracking effect of the lubricating oil is believed to have played a role in initiating the observed microcracks. Fig. 15...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... of additives Corrosion control Cleanliness and removal methods Compatibility with prelubricants and preapplied oils Post-metal forming operations (e.g., welding and adhesive joining) Environmental safety and recycling Types of Lubricants <xref rid="t53400089-ref8" ref-type="bibr">(Ref 7.8...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... or negative), and the type of lubricant. When the roughness of the loading member with positive slip approaches the oil film thickness (0.1 to 0.2 μm), the load carrying capacity increases appreciably. Thus, polished surfaces are superior to ground surfaces. With respect to lubricant type, the contact fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... couples and lubricants. Empirical values for specific thread conditions of various bolts Table 3.1 Empirical values for specific thread conditions of various bolts Bolt type and lubrication COF Alloy steel bolt and nut No lubrication 0.2 Light oil 0.15 Cd plating on both...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... friction. Egyptian hieroglyphics show workers pouring liquids on the surfaces used to pull stones to build the pyramids. This is the evidence that liquids have been used to alter (reduce) friction for at least 5,000 years. Animal fats were known to be useful for lubrication of wheel bearings. Whale oils...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... 10,000 h simulation tests. One probably cannot buy an oil from an automotive store that will meet the test requirement. Selection of a lubricant starts with a listing of “musts” and “wants.” This step is the same as selecting a metal or plastic. In the event that the tribosystem lubricant specification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... but serious corrosion phenomenon (formicary corrosion) results from oil residues remaining on copper surfaces, for example, from lubricating oils used in finning or forming operations. Formicary corrosion, also known as ant-nest corrosion because of the nature of the microscopic damage in the metal ( Fig. 16...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770077
EISBN: 978-1-62708-337-9
.... , discussion appended to Ref 39 41. Grew W. and Cameron A. , Role of Austenite and Mineral Oil in Lubricant Failure , Nature , Vol 217 ( No. 5127 ), 3 Feb 1968 , p 481 – 482 10.1038/217481a0 42. Kozlovskii I.I. , Manevskii S.E. , and Sokolov I.I. , Effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... et al., 1983 ]: m = 0.05 to 0.15 in cold forming of steels, aluminum alloys, and copper, using conventional phosphate-soap lubricants or oils. m = 0.2 to 0.4 in hot forming of steels, copper, and aluminum alloys with graphite-based (graphite-water or graphite-oil) lubricants. m = 0.1...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
... and Q14. Load is applied via a servocontrolled hydraulic system and can be varied as required during tests. Torque is monitored continuously by a noncontact torque cell. This monitoring permits interpretation of test results in light of the actual load signature. Based on input lubricating oil temperature...
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 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...