Shot peening for Ti-6Al-4V alloy compressor blades
Technical Report
·
OSTI ID:6230927
A text program was conducted to determine the effects of certain shot-peening parameters on the fatigue life of the Ti-6Al-4V alloys as well as the effect of a demarcation line on a test specimen. This demarcation line, caused by an abrupt change from untreated surface to shot-peened surface, was thought to have caused the failure of several blades in a multistage compressor at the NASA Lewis Research Center. The demarcation line had no detrimental effect upon bending fatigue specimens tested at room temperature. Procedures for shot peening Ti-6Al-4V compressor blades are recommended for future applications.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
- OSTI ID:
- 6230927
- Report Number(s):
- N-87-20566; NASA-TP-2711; E-3430; NAS-1.60:2711
- Country of Publication:
- United States
- Language:
- English
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