Analysis of Connecting Rod Made by Using Micro Si3N4 Particulates Reinforced with Al2024 Alloy
Authors
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School of Mechanical Engineering, REVA University, Bengaluru ,IN
Rachepalli Nochitha -
School of Mechanical Engineering, REVA University, Bengaluru ,INPramodkumar S Kataraki
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Dr Ambedkar Institute of Technology, Bengaluru ,INDharshan K
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Intelligent and Smart Manufacturing Centre, Center for Mechanical Engineering Studies, Universiti Teknologi MARA, Penang Branch ,MYA F Zubair
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School of Mechanical Engineering, Vellore Institute of Technology, Chennai, Tamil Nadu 600127 ,INAyub Ahmed Janvekar
DOI:
https://doi.org/10.18311/jmmf/2022/31041Abstract
In the present work, an attempt has been made to synthesize metal matrix composite using Al2024 as matrix material with Si3N4 particulates and K2TiF6 reinforcement using liquid metallurgy route in particular stir casting technique. The addition level of reinforcement is being varied from 4-8% in steps of 4 wt%. For each composite, reinforcement particles were preheated to a temperature of 500ºC and then dispersed in steps of three into the vortex of molten Al2024 alloy rather than introducing all at once, there by trying to improve wettability and distribution. Microstructural characterization was carried out for the above prepared composites by taking specimens from central portion of the casting by microstructural studies and SEM analysis. Tensile, Impact, and Fatigue properties of the prepared composite were studied before and after addition of Al2024 particulates to note the extent of improvement. Microstructural characterization of the composites has revealed fairly uniform distribution of Si3N4 particulates and some amount of grain refinement in the specimens. SEM analysis revealed the presence of Si3N4 and other phases. Further, the Tensile and Impact strength of the composite found increased with increased filler content.
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