Friday, 23 February 2024

 

 

LATEST NEWS Qaid - No Wayyy out review: A gripping tale of love, Abuse, and Escape Ankur Warikoo Takes Center Stage at Chitkara Lit Fest's Marquee Attraction Vidyut Jammwal completely steals the show in 'Crakk - Jeethegaa Toh Jiyegaa!' : Masterpiece in Action Cinema Shark Tank India Season 3: Innerwear Brand D'chica Pitch And Update Indian Cricketer Sarfaraz Khan Net Worth 2024, Bio, Lifestyle and Career AGDA signs MoU with Med-Or Foundation to promote international sharing of knowledge, research and joint ventures 10-Year-Old Boy Beats Bone Cancer, Walks Again Thanks to Innovative Surgery at Gleneagles BGS Hospital Lt Governor meets Other Backward Classes delegation at Raj Bhawan Srinagar Lt Governor interacts with 160-member delegation of Pahari Community from Kashmir Division at Srinagar District Administration Kishtwar Launches Kishtwar Idol 2.0, Official Kishtwar Tourism Website, Vibrant Kishtwar Calendar Seminar cum Awareness Programme on PM Vishwakarma Scheme held at Reasi District DC Bandipora Shakeel ul Rehman Rather conducts surprise Inspection of Bandipora Market District-level standing committee meeting held at Udhampur DC Ramban Baseer-Ul-Haq Chaudhary reviews progress of Banking Sector Jammu gears up for Mahashivratri celebrations DC Doda Harvinder Singh chairs 20th NCORD meeting DC Doda Harvinder Singh convenes meeting on District Road Safety Committee District Level Implementation Committee reviews MUMKIN, Tejaswini initiatives in Reasi ADC reviews implementation of District Environment Plan in Reasi district DDC Bandipora Shakeel ul Rehman Rather reviews progress of JJM DC Bandipora Bandipora flags-off Rally as part of SVEEP campaign

 

DRDO develops single crystal blades for HAL choppers

   Defence Research and Development Organisation, DRDO, Defence Metallurgical Research Laboratory, DMRL
Listen to this article

Web Admin

Web Admin

5 Dariya News

Hyderabad , 26 Apr 2021

The Defence Research and Development Organisation (DRDO) has developed single crystal blades technology and has supplied 60 of these blades to Hindustan Aeronautics Ltd (HAL) as part of their indigenous helicopter development programme for helicopter engine application.This is part of a programme taken up by the Defence Metallurgical Research Laboratory (DMRL), a premium laboratory of the DRDO, to develop 5 sets (300 numbers) of single crystal high pressure turbine (HPT) blades using a nickel-based super alloy. The supply of remaining 4 sets will be completed in due course, the DRDO said on Monday.Helicopters, used in strategic and defence applications, need compact and powerful aero-engines for their reliable operation at extreme conditions. To achieve this, state-of-the-art single crystal blades having complex shape and geometry, manufactured out of nickel-based superalloys capable of withstanding high temperatures of operation are used. Very few countries in the world such as the US, the UK, France, and Russia have the capability to design and manufacture such single crystal (SX) components.

The DMRL undertook this task based on its expertise gained during the development of such a technology for a aero-engine project earlier. Complete vacuum investment casting process to realise the blades, including die design, wax pattering, ceramic moulding, actual casting of components non-destructive evaluation (NDE), heat treatment and dimensional measurement, has been established at the DMRL.Special ceramic composition had to be formulated for making strong ceramic moulds which can withstand metallostatic pressure of liquid CMSX-4 alloy at 1,500 degrees Celsius and above during casting operation. The challenge of maintaining the required temperature gradient has also been overcome by optimizing the casting parameters. A multi-step vacuum solutionising heat treatment schedule for complex CMSX-4 superalloy to achieve the required microstructure and mechanical properties has also been established.Further, a stringent non-destructive evaluation (NDE) methodology for the blades along with the technique for determining their crystallographic orientations has been developed.Defence Minister Rajnath Singh congratulated the DRDO, the HAL and industry involved in the development of critical technology.Secretary, R&D in Defence Ministry and DRDO Chairman, Dr G. Satheesh Reddy also congratulated and appreciated the efforts involved in indigenous development of this vital technology.

 

Tags: Defence Research and Development Organisation , DRDO , Defence Metallurgical Research Laboratory , DMRL

 

 

related news

 

 

 

Photo Gallery

 

 

Video Gallery

 

 

5 Dariya News RNI Code: PUNMUL/2011/49000
© 2011-2024 | 5 Dariya News | All Rights Reserved
Powered by: CDS PVT LTD