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lubricant oil analysis

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006400
EISBN: 978-1-62708-192-4
..., lubricant oil analysis, acoustic emission testing, temperature monitoring, motor current signature analysis, and ultrasound emission. The article describes the evolution of condition-based maintenance in CM. It also describes the basics of integrated vehicle health management, a capability that enables...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006383
EISBN: 978-1-62708-192-4
.... It also discusses in-service lubricant analysis for condition monitoring, focusing on the spectrometric oil analysis program. The article describes the characteristics of wear particles and analytical techniques for characterizing them. It also describes the characteristics of different types of wear...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
... of the hydraulic oils ( Ref 20 ) and components. Furthermore, these issues result in the deterioration of the oil properties ( Ref 21 ), an escalation in thermal distortion, and the possibility of wear and seizure ( Ref 22 ) in relation to thermal effects ( Ref 23 ). Thermal Lubrication Characteristics of Piston...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006354
EISBN: 978-1-62708-192-4
..., and electrical discharge), scuffing, and Hertzian fatigue (including macropitting and micropitting). Details for obtaining high lubricant specific film thickness are presented. The article describes the selection criteria for lubricants, such as oil, grease, adhesive open gear lubricant, and solid lubricants...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... Example 3: Failure Analysis of Journal Bearings Used in Sugar Mills A connecting-rod shell bearing from a six-cylinder gasoline engine was returned to the factory for examination. The bearing was made of copper-lead alloy SAE 485 bonded to a low-carbon steel backing. The recommended lubrication oil...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006427
EISBN: 978-1-62708-192-4
... been developed and been on the market for some time. Direct gasoline injection, which can occur during the intake stroke, has increased the interaction of the fuel with the lubricating oil, e.g. in the dilution of the lubricant by the fuel impinging on the lubricant film on the cylinder wall ( Ref 2...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006423
EISBN: 978-1-62708-192-4
... assumption ( Ref 39 ). However, their analysis does not account for heating of the lubricant as it is sheared between the die wall and workpiece. Fig. 16 (a) Effect of drawing speed on viscosity and, thus, film thickness of soap and mineral oil; (b) effect of temperature on effectiveness of solid...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006401
EISBN: 978-1-62708-192-4
... oils and animal fats have been used as lubricants for centuries to reduce friction and wear while dealing with tools, weapons, construction, and transportation systems ( Ref 2 , 3 ). Natural oils such as vegetable oils were used as lubricating oils before the discovery of petroleum. Petroleum-based...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... mechanics fracture modes fracture surface lubricants macroscopic examination mechanical testing microscopic examination nondestructive inspection sampling simulated-service testing stress analysis wear failure ANALYZING the inevitable failures that occur during testing, manufacturing...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005417
EISBN: 978-1-62708-196-2
... of the lubricant, the additives and their concentration in the base oil, and the molecular chain length, density, viscosity, and its dependence on both temperature and pressure should be precisely described. If emulsions are used, the composition, the emulsifier, and the droplet dimensions are important...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006366
EISBN: 978-1-62708-192-4
... and wear resistance. Experimental results confirmed that ILs are capable of lubricating various materials including metals, ceramics, polymers, and composites. In addition to being used as neat lubricants, ILs can also be added to water- or oil-based media as additives due to their high solubility...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... in bearings and presents the steps for failure analysis of sliding bearings. It also reviews the factors responsible for bearing failure with examples. aluminum alloys babbitts bronze contaminants copper-lead bearing alloys elasto-hydrodynamics failure analysis fluid-film lubrication grooves...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006398
EISBN: 978-1-62708-192-4
... bearings. Fig. 3 Wear of bearing surfaces The emphasis of this article is on fluid-film lubrication, which is a common method to separate the bearing surfaces (configuration IV in Fig. 1 ). In conformal bearings, surfaces are usually separated by a thick oil or gas film generated...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... lubrication, the measurement of the backlash, and the necessary factors for starting the failure analysis. Next, the article explains various gear failure causes, including wear, scuffing, Hertzian fatigue, cracking, fracture, and bending fatigue, and finally presents examples of gear and reducer failure...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003189
EISBN: 978-1-62708-199-3
..., characteristics, advantages and limitations of cutting and grinding fluids, such as cutting oils, water-miscible fluids, gaseous fluids, pastes, and solid lubricants along with their subtypes. It discusses the factors considered during the selection of cutting fluid, focusing on machinability (or grindability...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006411
EISBN: 978-1-62708-192-4
... scientists and engineers understand the principles behind lubricant selection. Components of Lubricating Oils Liquid lubricants are primarily composed of a base oil (90–95%) and additives (5–10%). Base oil primarily consists of hydrocarbons, which provide the physical properties of lubricants, while...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... information on load, speed, lubrication, operating temperature, and other environmental factors should be considered in comparing actual and expected life. The analyst needs information about the application for comparison with previous experience to expedite analysis. The following information...
Book Chapter

By Rob Bosman
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006381
EISBN: 978-1-62708-192-4
...Abstract Abstract This article describes the main advantages of using grease as a lubricant rather than oil. It discusses the formulation, lubricating mechanism, degradation, and characterization of grease. The article describes the parameters that determine lifetime of grease, including low...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.9781627081924
EISBN: 978-1-62708-192-4
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... d M < 100 mm (4 in.) d M ≧ 100 mm (4 in.) Extreme cleanliness Particle size within lubricant film thickness Laboratory conditions 1 1 High cleanliness Oil filtered through extremely fine filter Sealed, greased bearings 0.8–0.6 0.9–0.8 Standard cleanliness Oil...