Development and Performance Evaluation of Eco-Friendly Crab Shell Powder Based Brake Pads for Automotive Applications

Abstract

The present study deals with the effective usage of crab shell, which is a solid waste in the seafood industry. The crab shell was powdered and treated with chemicals to obtain the chemically treated crab shell powder. The crab shell was powdered and heated to the desired conditions to obtain thermally processed crab shell powder. These two powders so obtained were used with other ingredients in the development of brake pads. For comparison crab shell powder free brake pads were also developed. The developed brake pads were tested for various characteristics as per the industrial standards. Thermal stability was found using Thermogravimetric analysis. The fade and recovery behaviours were estimated for the developed brake pads using Chase test following IS2742 Part-4. The test results indicate that the thermally processed crab shell powder based brake pads showed better thermal stability with a char residue of 37%, while the chemically treated crab shell powder based brake pads had better fade and recovery characteristics with a fade rate of 1.71 % and recovery rate of 99.86 % due to its better heat dissipation and coarse structure. Scanning electron microscopy paved the way to study the worn characteristics of the Chase tested samples. An extensive evaluation method was used to rank the developed brake pads based on the Chase test performance; it also ranked chemically treated crab shell powder-based brake pads as the best performer.

Investigation of Usage of Milled Pine Cone in Brake Pads

“…When the figures are examined, it is seen that there are some adhering parts on the friction surfaces of the PBC containing pad with high friction coefficient. It is stated as abrasive wear in the literature [32][33][34]. This situation caused an increase in friction coefficient.…”

Friction‐wear performance in environmentally friendly brake composites: A comparison of two different test methods

“…Consequently, natural additives that are both environmentally friendly and can increase the braking performance of the pads have been the subject of many studies. [10] The heat generated during braking first affects the parts that are in contact (disc and brake shoe) and then dissipates into the environment through convection and radiation. The rate of this heat transfer is very important in terms of brake system efficiency.…”

Brake Pad Performance Characteristic Assessment Methods

“…The experimental results indicated that the number of WSP-added friction coats contributed positively to the stability and wear resistance. Singaravelu et al [15] They investigated the effects of the powder obtained by chemical and thermal processing of crab shell powder on the performance of brake pads. Thermal stability was found using thermogravimetric analysis of brake pads.…”