An attempt has been made to develop and study the properties and behavior of structure-based aluminum composite. Aluminum (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 mechanical and corrosion properties and tribological behavior of composite were studied. Further, the sample microstructure and characterizations were investigated by scanning electron microscope (SEM) and X-ray diffraction (XRD) technique. The composite with fixed weight proportion of ceramic and higher metallic reinforced samples shows higher tensile strength, improved corrosion resistance, and higher hardness behavior. 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 optimize 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 behavior and its coefficient of friction of composite sample.
Effect of Ceramic and Metallic Reinforcement on Mechanical, Corrosion, and Tribological Behavior of Aluminum Composite by Adopting Design of Experiment Through Taguchi Technique
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received August 26, 2017; final manuscript received February 21, 2018; published online April 10, 2018. Assoc. Editor: Dae-Eun Kim.
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Sureshkumar, P., and Uvaraja, V. C. (April 10, 2018). "Effect of Ceramic and Metallic Reinforcement on Mechanical, Corrosion, and Tribological Behavior of Aluminum Composite by Adopting Design of Experiment Through Taguchi Technique." ASME. J. Tribol. September 2018; 140(5): 052301. https://doi.org/10.1115/1.4039527
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