Synthesis and Thermal Adsorption Characteristics of Silver-Based Hybrid Nanocomposites for Automotive Friction Material Application

Author:

Venkatesh R.1,Sakthivel P.2ORCID,Vivekanandan M.3,Kannan C. Ramesh4,Krishna J. Phani5,Dhanabalan S.6,Thirugnanasambandham T.7,Majora Manaye8ORCID

Affiliation:

1. Department of Mechanical Engineering, Saveetha School of Engineering (SIMATS), Chennai, 602105 Tamil Nadu, India

2. Department of Mechanical Engineering, Sri Krishna College of Technology, Coimbatore, 641042 Tamil Nadu, India

3. Department of Mechanical Engineering, Kongunadu College of Engineering and Technology, Trichy, 621215 Tamil Nadu, India

4. Department of Mechanical Engineering, SRM TRP Engineering College, Trichy, 621105 Tamil Nadu, India

5. Design Engineering, Powder Handling Solutions, RIECO industries Ltd. Pune, 411005, India

6. Department of Mechanical Engineering, M.Kumarasamy College of Engineering, 639113 Tamil Nadu, India

7. Department of Mechanical Engineering, Ponnaiyah Ramajayam Institute of Science and Technology, Thanjavur, Tamil Nadu 613203, India

8. Department of Mechanical Engineering, Faculty of Manufacturing, Institute of Technology, Hawassa University, Ethiopia

Abstract

Advances in friction materials are imposed on developing multiceramic reinforced hybrid nanocomposites with superior tribomechanical properties. The silver-based matrix metals are gained significance in various applications like bearing, ratchet, and electrical contacts due to their high frictional resistance and good thermal and chemical stability compared to traditional metals. The present research is to develop silver-based hybrid nanocomposites containing alumina (Al2O3) and silicon carbide (SiC) nanoparticles of 50 nm mixing with the ratio of 0 wt% Al2O3/0 wt% SiC, 5 wt% Al2O3/0 wt% SiC, and 5 wt% Al2O3/5 wt% SiC via the semisolid vacuum stir-cast technique. The vacuum technology minimizes casting defects and increases composite properties. The casted composite samples are subjected to study the effect of reinforcement on thermal adsorption, conductivity, diffusivity, and frictional resistance. The composite containing 5 wt% Al2O3np/5 wt% SiCnp is to find optimum thermal and frictional behaviour. The thermal adsorption and frictional resistance are increased by 30% and 27% compared to unreinforced cast silver. The Ag/5 wt% Al2O3np/5 wt% SiCnp hybrid nanocomposite is recommended for automotive friction-bearing applications.

Publisher

SAGE Publications

Subject

Surfaces and Interfaces,General Chemical Engineering,General Chemistry

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