XANES Study of Tribofilms Generated from BeltDrive Continuously Variable Transmission Fluids

Iwanami, Yoshimu; Wada, Hisayuki; Nomura, Masaharu

doi:10.1238/physica.topical.115a00332

Cited by 6 publications

(1 citation statement)

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“…Additive containing B, instead of reacting with the metal surface, adsorbs on the surface metal friction pair and plays lubrication in the form adsorption film and fillers. For this reason B is called the inert functional element and there is no dissipation in use [11][12][13].…”

Section: Analysis Of Cvtf Element Content 321 Cvtf Active Functional ...mentioning

confidence: 99%

Study of Friction Lubrication Characteristics Research for CVT Fluids in Field Test

2014

AMR

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By the field test, we carried on the physicochemical tests, the lubrication performance test, the ferrographic analysis and ICP tests for different mileage of CVTF, we also ran the electron microscope analysis of the key components of steel belt of CVT’s friction pair and bevel pulley. The transformation law of CVTF’ lubrication, the inoxidizability, the friction durability friction, the antifriction performance, the attenuation characteristics of functional elements and the abrasion mechanism of Cone wheel and steel belt are investigated.The result showed that there was the presence of extreme pressure film on the surface of friction pair, the physicochemical parameters of CVTF changed very small, the wear metal elements in petrol within 3000km increased slowly.

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Section: Analysis Of Cvtf Element Content 321 Cvtf Active Functional ...mentioning

confidence: 99%

Study of Friction Lubrication Characteristics Research for CVT Fluids in Field Test

2014

AMR

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Industrial Applications

Bare¹,

Cutler²

2016

X‐Ray Absorption and X‐Ray Emission Spectroscopy

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Surface analysis of different boundary layers on steel discs formed in a lubricated tribocontact during laboratory test compared with field application

et al. 2008

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The aim of this study was to gain knowledge of tribological layers on a steel disc. This steel disc has been used in a transmission system in the field. ATF-oil (automatic transmission fluid), which contains different surface-adhering additives, serves as a lubricant and as a cooling fluid in the tribological system. Over time, the tribological characteristics of the system changed. Special interest in this study lies in the modifications of the steel surface. The field-used disc was therefore compared with model tested discs. In a disc-on-disc tribometer, all samples are tested for a short period of time to evaluate the actual condition of the system regarding friction behaviour. Analysis and characterisation of surfaces and layer formation were carried out with, among other techniques, 3D topography, SEM / EDX, AFM, XPS, and ToF-SIMS. Results indicate that in some regions a complex composed tribological layer is formed. Differences were detected between the steel discs used in the field and the model discs. This indicates the problem of evaluation of long-term behaviour exclusively by use of short or accelerated model experiments. A combination of carefully selected and sophisticated analytical methods is necessary to trace small changes of the system.

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XANES Study of Tribofilms Generated from BeltDrive Continuously Variable Transmission Fluids

Cited by 6 publications

References 1 publication

Study of Friction Lubrication Characteristics Research for CVT Fluids in Field Test

Study of Friction Lubrication Characteristics Research for CVT Fluids in Field Test

Industrial Applications

Surface analysis of different boundary layers on steel discs formed in a lubricated tribocontact during laboratory test compared with field application

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