Optimization of Stirrer Geometry and Casting Parameters for Fabricating Al-Si Composites

B. Seshavenkat Naidu; Krovvidi Srinivas; Himanshu Makhija; Manoj A. Vora; Anisha Chaudhary; Putta Chandana

doi:10.5750/ijme.v168iA5(S).1997

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Published: Oct 21, 2026

DOI: https://doi.org/10.5750/ijme.v168iA5(S).1997

Keywords:

Stir casting Stirrer design Blade geometry Marine engineering

B. Seshavenkat Naidu

Mechanical Engineering Department, Delhi Technological University, Delhi, India

Krovvidi Srinivas

Mechanical Engineering Department, Delhi Technological University, Delhi, India

Himanshu Makhija

Centre of Research Impact and Outcome, Chitkara University, Rajpura, 140417, Punjab, India

Manoj A. Vora

Faculty of Science, Gokul Global University, Sidhpur, Gujarat, India

Anisha Chaudhary

Quantum University Research Center, Quantum University, India

Putta Chandana

Centre for Multidisciplinary, Research, Anurag University, Hyderabad, Telangana, India

Abstract

In recent times, due to advancements in material sciences, the metal used in marine applications has shifted from
conventional steel to composite combinations. These campsites have a significant advantage in terms of strength-toweight ratio, which helps reduce energy consumption in marine applications. The major challenge in using composites is their fabrication process; without optimal fabrication parameters, the composites may perform worse than metals for the application. In this, we approached the economic stirring casting process using an optimal design stirrer to fabricate an aluminium-silicon composite. The final design is produced in a casting container measuring 200mm in diameter and 200 mm in height. The most efficient stirrer design is an 83 mm diameter, 450 blade angle, 118mm shaft length, operated at 270 RPM. This combination produced a homogeneous, void-free composite suitable for marine applications where constant moisture contact is present.

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Vol. 168 No. A5(S) (2026): Integrating Innovation Across Disciplines New Paradigms in Multidisciplinary Research

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