Evaluation of Critical Speed for Aluminum–Boron Carbide Metal Matrix Composite Shaft

  • Arun C. DixitEmail author
  • B. K. Sridhara
  • M. V. Achutha
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


This work deals with finding an alternative lightweight material over conventional materials for manufacturing drive shafts. Drive shafts are a key component for transmitting power from one end to the other. However, the conventional materials used for producing drive shafts pose several disadvantages especially concerning with their weight. Conventional drive shafts are susceptible to large vibration during high-speed traversing because of truncated strength-to-weight ratio. The work aims at improving the critical speed of the specimen by proposing a new composite material made of aluminum matrix reinforced with boron carbide (B4C) particles. Specimens with weight percentage 0, 3, 6, 9, 12% of reinforcement were manufactured through stir casting technique. The work has established a new lightweight material with enhanced critical speed which can be used for various high-speed applications. Other important mechanical properties like hardness and tensile strength were also analyzed. Modal analysis was carried on the specimens using ANSYS 15 Workbench.


Drive shaft Critical speed Strength-to-weight ratio Boron carbide Aluminum LM6 


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© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringVidyavardhaka College of EngineeringMysoreIndia
  2. 2.Department of Mechanical EngineeringNational Institute of EngineeringMysoreIndia

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