Major Hot Section Component Salvaged through Advanced Repair Methods
821489
02/01/1982
- Event
- Content
- This paper describes Pratt & Whitney Aircraft's refurbishment method for upgrading in-service JT9D low pressure turbine cases with a redesigned front flange section of the case. Refurbishment was made possible by the development of electron beam welding techniques for the forged Incoloy 901 nickel-base alloy in the case. The techniques developed minimize heat affected zone intergranular stress cracks which historically have been a deterent to structural welds in Incoloy 901.
- Pages
- 12
- Citation
- Granatek, B., "Major Hot Section Component Salvaged through Advanced Repair Methods," SAE Technical Paper 821489, 1982, https://doi.org/10.4271/821489.