Effect of Ceramic and Metallic Reinforcement on Mechanical, Corrosion and Tribological behaviour of Aluminium Composite by adopting DOE through Taguchi Technique

[+] Author and Article Information
Suresh Kumar

Department of Mechanical Engineering, Ramco Institute of Technology, Rajapalayam - 629117, Tamil Nadu, India

Chinnasamy Uvaraja

Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam - 638401, Tanil Nadu, India

1Corresponding author.

ASME doi:10.1115/1.4039527 History: Received August 26, 2017; Revised February 21, 2018


An attempt has been made to develop and study the properties behaviour of structure based aluminium composite. Aluminium (AA6063) based composites were fabricated by stir casting technique ( Also known as Liquid Metallurgy Route) by varying weight percentage of metallic based Copper nitrate Cu( No3)2 with fixed proposition of ceramic based Silicon nitride (Si3N4) reinforcement. The properties behaviour of composites such as mechanical, corrosion and tribological were studied. Further, the sample microstructure and characterizations were investigated by Scanning Electron Microscope (SEM) and X-ray diffraction technique. The composite with fixed weight proportion of ceramic and higher metallic reinforced samples shows higher tensile strength, improved corrosion resistance and higher hardness behaviour. Due to higher hardness nature the tribological properties of composite such as wear rate and coefficient of friction have been reduced. Moreover, the impact strength of composite decreased due to combination of ceramic and metallic reinforcement. In addition to the above study, Design of Experiment (DOE) was adopted to optimise the major wear test parameters such as percentage of reinforcement, applied load, sliding distance and sliding speed. Finally, Analysis of Variance (ANOVA) was carried out to identify the most significant test parameter and its interaction affecting wear behaviour and its coefficient of friction of composite sample.

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