MECHANICAL AND MICROSTRUCTURAL PROPERTIES OF BRASS REINFORCED WITH COCONUT SHELL ASH POWDER

Main Article Content

Oluseyi Orisadare
Ayodeji S. Olawore
Michael O. Ibiwoye
Eyitayo A. Ponle
Omolola T. Odeyemi
Opeyemi S. Kegbeyale

Abstract

Metal matrix composites (MMCs) are materials in which metals are reinforced with other materials preferably of lower cost to improve their properties. In this present study, Brass /Coconut Shell Ash powder (CSAp) composites having 0%, 5%, 10% and 15% weight CSAp were fabricated by stir-casting method. The tensile strength of the MMCs is in the order 15% > 10% >5% > 0% of CSAp. Hardness of the MMCs increases slightly with increase in the percentage body weight of CSAp, in the order 15% > 10% >5% > 0% of CSAp. The highest impact energy of 61 J was obtained for 5% CSAp. However, significant improvement in tensile strength and hardness values was noticeable at the 15%. Scanning Electron Microscopy (SEM) analysis of the MMCs shows dendritic structures formation, the reinforcing particles (CSAp) are visible and clearly delineated in the microstructure. Hence, this study has established that reinforcing brass matrix with coconut shell ash particles can result in the production of low cost brass composites with enhanced tensile strength, hardness and impact energy values.


 

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Articles
Author Biographies

Ayodeji S. Olawore, Department of Mechanical Engineering, Kwara State University, Malete, Nigeria

Lecturer I

Department of Mechanical Engineering, Kwara State University, Malete, Nigeria

Michael O. Ibiwoye, Department of Mechanical Engineering, Kwara State University, Malete, Nigeria

Lecturer I

Department of Mechanical Engineering, Kwara State University, Malete, Nigeria

Eyitayo A. Ponle, Department of Mechanical Engineering, Osun State Polytechnic, Iree, Nigeria

Lecturer II

Department of Mechanical Engineering, Osun State Polytechnic, Iree, Nigeria

Omolola T. Odeyemi, Department of Science Laboratory Technology, Kwara State Polytechnic, Ilorin, Nigeria

Department of Science Laboratory Technology, Kwara State Polytechnic, Ilorin, Nigeria

Opeyemi S. Kegbeyale, Department of Civil Engineering, Osun State Polytechnic, Iree, Nigeria

Technologist

Department of Civil Engineering, Osun State Polytechnic, Iree, Nigeria

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