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The Effect of Applied Pressure Function on Thermo-elastic Problem in the Dry Friction Clutches
- Source :
- Journal of Failure Analysis and Prevention. 20:2145-2152
- Publication Year :
- 2020
- Publisher :
- Springer Science and Business Media LLC, 2020.
-
Abstract
- The main purpose of this paper is to investigate deeply the effect the contact pressure function on the thermo-mechanical behavior of the friction clutch system during the slipping time (heating stage). The other purpose is to explore theoretically the complex interaction among the contact pressure, sliding speed and frictional characteristics of frictional facings to specify the magnitude and distribution of the frictional heating generation on the contact surfaces of the dry friction clutch under different applied pressure. It was developed a numerical code based on finite element method (ANSYS/APDL 2019) to determine accurately the contact pressure, temperature and frictional heat generated on contact surfaces of the friction clutch disc that has two effective frictional faces at any instant during the slipping period. It was found a significant effect of the magnitude and variation of applied pressure during the heating phase on the surface temperatures, contact pressure and frictional heat generated. Where, the hot spot can be appeared when the applied pressure is constant. Under such circumstances, high amount of temperature and contact pressure focused on a small zone of the nominal contact area. This phenomenon is considered one of the main reasons for the early failure of the contacting surfaces of friction clutch.
- Subjects :
- Materials science
Dry friction
020209 energy
Mechanical Engineering
Thermo elastic
02 engineering and technology
Mechanics
Finite element method
020303 mechanical engineering & transports
0203 mechanical engineering
Mechanics of Materials
Solid mechanics
0202 electrical engineering, electronic engineering, information engineering
General Materials Science
Clutch
Safety, Risk, Reliability and Quality
Contact area
Pressure function
Slipping
Subjects
Details
- ISSN :
- 18641245 and 15477029
- Volume :
- 20
- Database :
- OpenAIRE
- Journal :
- Journal of Failure Analysis and Prevention
- Accession number :
- edsair.doi...........d251aafd1fdbcccae40ae955b9452c21