Abstract
In recent years, aluminium-based hybrid composites acquire vast potential in the hot reciprocating parts such as piston, connecting rod for petrol and diesel engines in automobiles due to its suitable mechanical and physical properties. On the other hand, these composites limit its application due to the inferior tribological properties. Aluminium-based ceramic composites with improved lubrication behavior enhance their application in various sectors. In the present study, an attempt has been given to fabricate Al–Al2O3–WS2 hybrid composites using the powder metallurgy method by optimizing the processing conditions. The samples were fabricated with varying the compaction pressure (380 MPa, 450 MPa, 500 MPa, 560 MPa, and 620 MPa) and sintering temperature (400 °C, 500 °C, and 600 °C). The densities and porosity of the samples were measured by both theoretical and experimental methods. X-ray diffraction and scanning electron microscopy were used to study the structural and morphological changes and hardness of the samples was measured using Vicker’s microhardness tester. From the above investigations, it was found that with a compaction pressure of 560 MPa and a sintering temperature of 600 °C, the as-fabricated Al–Al2O3–WS2 hybrid composite shows better properties as compared to unreinforced aluminium alloy. This study will provide a guideline to select the processing conditions for the fabrication of hybrid composites using a powder metallurgy process.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
More From: Journal of Inorganic and Organometallic Polymers and Materials
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.