Effect of Ingredients on Flexural Strength of Friction Composite

Jamasri Jamasri; Viktor Malau; Mochammad Noer Ilman; Eko Surojo

doi:10.4028/www.scientific.net/AMM.493.615

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 493Effect of Ingredients on Flexural Strength of...

Effect of Ingredients on Flexural Strength of Friction Composite

Abstract:

In the present work, a friction composite material which will be used for material of train brake shoe was investigated to study the effect of ingredients on flexural strength. The Taguchi method is used to measure relative effect of ingredients on flexural strength of composite. Taguchi L₈ orthogonal array which consists of 7 factors with 2 levels each is applied to perform experiment. Ingredients of friction composite were considered as factors or parameters and % volume for each factor was varied at 2 levels. Phenolic resin and barite (BaSO₄) were not included as factor. Phenolic resin was always kept constant at 30 % volume and % volume of barite (BaSO₄) was varied to compensate the changing of other ingredients amount. The results show that glass fiber and cast iron chip have significant effect on increasing of flexural strength of brake shoe composite. Conversely, NBR has significant effect on decreasing of flexural strength of brake shoe material. Cashew dust, Cu short wire, fly ash and graphite have insignificant effect on flexural strength. Cu short wire cant play a role as reinforcement fiber in brake shoe composite because there is weak bonding between Cu short wire and matrix.

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Applied Mechanics and Materials (Volume 493)

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615-620

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https://doi.org/10.4028/www.scientific.net/AMM.493.615

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January 2014

Authors:

Jamasri Jamasri, Viktor Malau, Mochammad Noer Ilman, Eko Surojo

Keywords:

Brake Shoe Composite, Flexural Strength, Taguchi Method

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