DRDO Hyderabad develops crucial technology for aero engine components

The technology has been developed by Defence Metallurgical Research Laboratory (DMRL), a premier metallurgical laboratory of DRDO at Hyderabad

Hyderabad: The Defence Research and Development Organisation (DRDO) has established Near Isothermal Forging technology to produce all five stages of high-pressure compressors (HPC) discs out of difficult-to-deform titanium alloy using its unique 2000 MT isothermal forge press.

The technology has been developed by Defence Metallurgical Research Laboratory (DMRL), a premier metallurgical laboratory of DRDO at Hyderabad. This development has put India in the league of limited global engine developers to have the manufacturing capabilities of such critical aero engine components, according to an official press release here.

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To meet bulk production requirements, the DMRL technology was transferred to MIDHANI through a licensing agreement for technology transfer. MIDHANI will supply 200 pieces to HAL (E), Bengaluru for fitment into the Adour Engine that powers the Jaguar/Hawk aircraft, the release said.

The annual requirements of these high value HPC discs are quite large, warranting indigenisation. HPC drum is a highly stressed sub-assembly and is also subjected to low cycle fatigue and creep at elevated temperature, the release added.

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