Evaluation of The Physical Properties of Hazelnut Shell Dust-Added Brake Pad Samples Treated With Cryogenic Process

Year 2019, Volume: 22 Issue: 3, 591 - 596, 01.09.2019

Gülşah Akıncıoğlu Sıtkı Akıncıoğlu Hasan Öktem İlyas Uygur

https://doi.org/10.2339/politeknik.432033

Cited By: 2

Abstract

After
understanding that asbestos fibers are harmful to human health; researchers
have investigated for alternative and eco-friendly materials. Agricultural
products can be an example of these alternative and environmentally friendly materials
because they are easily supplied . Thus, in this study, asbestos-free
automotive brake pads produced from %7 hazelnut dusts with other seventeen
additives. Hazelnut shell is preferred because it is widespread in our country.
Cryogenic process applied at -80°C to the brake pads. Before and after
cryogenic treatment, the produced brake pads properties such as water
absorption, hardness test, porosity and microstructural examinations were
investigated. The hardness values of brake pads increases after cryogenic and
cyclic-cryogenic process. The highest values obtained for the B-CYC sample.

Keywords

Brake pads, hazelnut shell dust, cryogenic treatment, hardness

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