Daily Current Affairs 2021 DRDO develops Single Crystal Blades Technology For Aero Engines | Daily Current Affairs 2021

DRDO develops Single Crystal Blades Technology For Aero Engines

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In a major technological breakthrough, the Defence Research and Development Organisation (DRDO) recently developed single crystal blade technology and it has supplied 60 of them to the Hindustan Aeronautics Limited (HAL) for the company’s indigenous helicopter development program for helicopter engine application.


  • It is part of a programme taken up by the Defence Metallurgical Research Laboratory (DMRL), a laboratory of the DRDO.
  • The DRDO will develop total five sets 300 in number, of single crystal high pressure turbine (HPT) blades using a nickel-based super alloy.
  • They supply of other 4 sets will be completed in due course.
  • This single crystal blades technology has been developed by the Defence Metallurgical Research Laboratory (DMRL), one of the DRDO’s laboratories.
  • A few countries such as the US, the UK, France and Russia have the capability to design and manufacture single crystal components.

What is the use of single crystal blades in helicopters?

Helicopters need compact and powerful aero-engines for operating at extreme conditions and as single crystal blades have complex shape and geometry and are manufactured out of nickel-based superalloys, they are capable of withstanding high temperatures.

About DRDO:

  • DRDO is an acronym for the Defence Research and Development Organisation.
  • It is India’s largest research organisation. It was founded in 1958.
  • It is headquartered in New Delhi, India.
  • It is an agency under the Ministry of Defence, Government of India.
  • It is charged with the military’s research and development.
  • It has a network of laboratories engaged in developing defence technologies covering various fields, like aeronautics, armaments, electronics, land combat engineering, life sciences, materials, missiles, and naval systems.
  • The Minister currently responsible for DRDO is Rajnath Singh, Minister of Defence.
  • The present Chairman of DRDO is Dr. G. Satheesh Reddy.

About HAL:

  • It refers to the Hindustan Aeronautics Limited.
  • HAL is an Indian state-owned aerospace and defence company and  is governed under the management of the Indian Ministry of Defence.
  • It is headquartered in Bangaluru, India.
  • The founder of HAL is Walchand Hirachand.
  • It was founded on 23 December 1940.
  • The current Chairman and Managing Director is R Madhavan.

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