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tribological testing

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006402
EISBN: 978-1-62708-192-4
...Abstract Abstract The influence of friction and wear on the function and structure of tribological systems is determined by various types of tribological tests. This article introduces the general categories of tribological testing and describes the basic objectives of testing. It reviews...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005668
EISBN: 978-1-62708-198-6
...Abstract Abstract This article provides an overview of the fundamentals of tribology. It describes the advantages, disadvantages, and applications of the pin-on-disk method, which is the most commonly used configuration for testing biomaterials and for the reproducible measurement of friction...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006410
EISBN: 978-1-62708-192-4
...Abstract Abstract This article focuses on environmental and application factors in solid friction. It covers the tribology of contact between a soft and hard material, including mechanisms and testing. The article describes the tribology of contact between a metal and tool during metalworking...
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
... lubricants, and nanomaterials. The article also reviews the properties of lubricants. It describes the tribological evaluation of lubricants, including stribeck test, four-ball test, block-on-ring test, pin-in-vee test, and reciprocating motion test. lubrication coefficient of friction hydrodynamic...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006361
EISBN: 978-1-62708-192-4
... that should be addressed to ensure that valid data are derived from a friction test. The article presents definitions of terms commonly used in tribology such as static friction, kinetic coefficient of friction, stick-slip behavior, and lubricated friction. It provides information on the precautions that must...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006404
EISBN: 978-1-62708-192-4
... regime at higher shear rates. In vitro lubrication tests with any one of the components in synovial fluid have been performed by many researchers to understand the individual protein/constituent contributions to the tribological behavior of synovial fluids. Protein components of synovial fluid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
.... composites elastomers friction test lubrication polymers PV limit tribology wear testTRIBOLOGY” comes from the Greek word tribos , to rub ( Ref 1 ); “friction” is derived from the Latin verb fricare , which has the same meaning ( Ref 2 ). Tribology is the science and technology of interacting...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006413
EISBN: 978-1-62708-192-4
...Abstract Abstract This article addresses the impact of emerging technologies on future lubricant and tribology requirements. The connection between lubricant and tribological requirements is shown by briefly describing basic lubrication and friction processes in major engine components...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006419
EISBN: 978-1-62708-192-4
... to the tribological behavior by providing oil-retention volumes. Coating adhesion strength is measured using standardized adhesion tests, for example according to DIN EN 582, “Thermal spraying; determination of the tensile adhesive strength of thermally sprayed coatings,” and ASTM C633, “Standard Test Method...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001302
EISBN: 978-1-62708-170-2
... is known as tribology . The apparatus used for one tribological test can frequently be used for another, but friction, wear, and lubrication are distinct phenomena, and test procedures and interpretations vary. For example, a lubricant test evaluates the ability of a lubricant to withstand temperature...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006432
EISBN: 978-1-62708-192-4
... are used to measure wear continuously throughout a tribological experiment at a resolution of nanometers or micrograms per hour. Because radioactive tracers can mark even very inaccessible wear zones, a large variety of experiments ranging from small-scale lab tests to full-scale field tests have used...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006403
EISBN: 978-1-62708-192-4
... of components for a variety of functional purposes in machinery, machining, transport, process control, and medical applications ( Ref 1 , 2 ). The purpose of the systems approach is twofold. Tribological parameters and the systems approach help in the development of tests that quantify the effects of friction...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... aimed at developing new materials, surface treatments, or lubricants. In this view, an important role is played by the characterization of the wear products in identifying the wear mechanism. This activity is very fruitful in tribological testing for obtaining the proper information to be used...
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 fluids with turbines or impellers and known as a hydrodynamic or turbo type. Focusing on friction, lubrication, and wear, i.e., tribology , of these components, positive displacement machines and turbomachinery have quite different issues. The positive displacement machines have many sliding parts...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006374
EISBN: 978-1-62708-192-4
... caused by brake pads. The article concludes with information on physical and chemical testing of brakes and toxicity of brake formulation and regulations. aircraft brake linings aircraft brakes automotive brakes brake pads cast iron casting chemical testing disk brakes drum brakes friction...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
..., which can be useful for condition monitoring and wear mapping. Although the failure mode depends on the tribological conditions selected for individual investigation, some test conditions adopted in RCF tribometers can accelerate the RCF failure, for example, by either increased contact loading...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006639
EISBN: 978-1-62708-213-6
... ratios of calcium sulfonate in oil and ZDDP were used, and three steels were evaluated in these mixtures. The three tribological samples tested in this evaluation were GOOD NEW , BAD NEW , and GOOD OLD . Although full details of all three samples were unavilable, the GOOD OLD sample...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006367
EISBN: 978-1-62708-192-4
... made. The C/C composites were immersed in each slurry and then taken out and dried at room temperature for 2 h. Pin-on-disk tribological testing was performed against a silicon nitride pin. The weight loss caused by wear was measured. There was significant drop of the weight loss due to wear...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... A. , Leyendecker T. , Lemmer O. , Erkens G. , Weck M. , and Hanrath G. , Application of Low Temperature PVD Coatings in Rolling Bearings: Tribological Tests and Experiences with Spindle Bearing Systems , Surf. Coat. Technol. , Vol 86 , 1996 , p 460 – 466 10.1016/S0257-8972(96)03050-2...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006431
EISBN: 978-1-62708-192-4
... (SEM) appear brittle in nature, as evidenced by many cracks. However, these cracks are the consequence of a drying process of the hydrated layer after the tribological test, not its brittle nature during the tests ( Ref 32 ). Consequently, the properties of the hydrated layers during the experiments...