Paper Title:
Friction and Wear Studies on the Aramid Fibre Based Non-Asbestos Brake Pads for Wind-Mill Application
  Abstract

The increasing demands for indigenous non-toxic friction material for wind mill application with better braking properties is ever expanding and this has motivated the development of non-asbestos brake pads. As an alternative to asbestos friction materials, aramid fibre reinforced phenolic matrix friction composite was developed with fibre content varying from 0 to 7 wt %. Using pin type specimens, their friction and wear behaviour was evaluated against cast iron disc in a pin on disc testing apparatus. The test results at a constant load of 70 N and at two speeds of 1.5 m/s and 5 m/s showed that the coefficient of friction decreased with fibre content and sliding velocity, almost linearly. The wear rate also decreased with increase in fibre content but was following a polynomial relation of third order. A composition which gives frictional coefficient of 0.45 to 0.40 and a minimum wear rate is desirable for the application. The formulation containing 5 wt % aramid fibre exhibited friction in this range and its wear rate was almost closer to the minimal value. Hence, from friction and wear considerations an aramid fibre content of 5 wt % is ideal for this application.

  Info
Periodical
Advanced Materials Research (Volumes 123-125)
Edited by
Joong Hee Lee
Pages
101-104
DOI
10.4028/www.scientific.net/AMR.123-125.101
Citation
V. Ranganathan, G. Konchady, K. Shankar, "Friction and Wear Studies on the Aramid Fibre Based Non-Asbestos Brake Pads for Wind-Mill Application", Advanced Materials Research, Vols. 123-125, pp. 101-104, 2010
Online since
August 2010
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Price
$32.00
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