Study on mechanical and tribological characteristics of layered functionally graded polymer composite materials

Author:

Boggarapu Vasavi1,Ruthik L1,Gara Dheeraj Kumar1,Ojha Shakuntala2,Jain Satish1,Gujjala Raghavendra1ORCID,Bandaru Aswani Kumar3,Inala Ramu4

Affiliation:

1. Department of Mechanical Engineering, National Institute of Technology, Warangal, India

2. Department of Mechanical Engineering, Kakatiya Institute of Technology & Science, Warangal, India

3. Mechanical/Biomedical Engineering, Munster Technological University, Cork, Ireland

4. Department of Mechanical Engineering, Vishnu Institute of Technology, Bhimavaram, India

Abstract

It is apparent that well-designed functionally graded materials (FGMs) exhibit smooth transition in properties. In this paper, polymer based functionally graded composite materials (FGCMs) were developed in combination with copper (Cu) particles and epoxy. A novel stepped layer configuration through a curing-phase approach at each layer in three different curing conditions (C1, C2, C3) have been processed. A significant enhancement in mechanical strength and erosion resistance was observed at higher curing temperatures (60°C) for sample C3. The results indicated tensile and compressive strengths of C3 enhanced by 40.20%, 17.48% and 20.18%, 9.74% compared to C1 and C2, respectively. Furthermore, when the FGM is loaded from top to bottom (T-B), there is an enhancement in flexural strength of C3 by 7.88% when compared to bottom to top (B-T) loading. In addition, the erosion wear of C3 was found to be lowest of all the samples.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

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