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13, Jan 2025
TNPSC Group I Topper Corner
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Single crystal blades

May 1 , 2021 1353 days 906 0
  • The DRDO has developed single-crystal blades technology for helicopters.
  • It has supplied 60 of these blades to Hindustan Aeronautics Limited (HAL).
  • The single-crystal high-pressure turbine (HPT) blades are made of a nickel-based superalloy.


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