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Structural and Thermal Analysis of Metal - Ceramic Disk Brake




ANSYS, TEI, partially stabilized zirconia, Aluminium, etc.


Disk brakes are using from so many years in automotive and still researches are going on in this field for decreasing the temperature effect so that by this we can operate easily. Many new materials are introduced for the disk brake rotor to withstand high temperature produced during braking action. Apart from the high temperature property, the disc rotor materials must also have high thermal conductivity property, as this property decides the amount of heat dissipation to the air stream from the disk rotor. A brake material with good temperature and high thermal conductivity property gives maximum efficiency by overcoming the problem of thermo-mechanical instability [TEI] in the rotor which is more common in low thermal conductivity brake rotor material. In the present work, a Grey cast iron material and metal-ceramic has been chosen for the disk brake rotor. Number of methods before already introduced to know the history of the different materials related to disk brakes, analysis will be done in 2d and 3d in analytical and numerical methods. With different types of assumptions these numerical methods ranges from finite differences to finite elements. To conclude the temperature history for the Grey cast iron material, and metal-ceramic, a numerical simulation technique called finite element method is used. Transient analysis is carried out in ANSYS to predict temperature distribution as a function of time in the disk brake rotor. The results from the transient analysis are compared. As the brake rotor can be treated as the coupled field problem, it is mandatory to do structural analysis after performing thermal analysis in ANSYS to study the stability and rigidity behavior of the rotor material. The results from the transient analysis are given as the input to the structural analysis in order to conclude the stress distribution and displacement in disk brake rotor under thermal loading. The stability behavior of different brake rotor material is compared to facilitate the conceptual design of the disk brake system.

Other Details

Paper ID: IJSRDV3I100024
Published in: Volume : 3, Issue : 10
Publication Date: 01/01/2016
Page(s): 29-33

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