EVALUATION OF PROTECTIVE COATINGS FOR MOLYBDENUM NOZZLE GUIDE VANES. Period covered : January 1954 to July 1957
Technical Report
·
OSTI ID:4231739
Thirty seven Mo nozzle guide vanes coated for resistance to jet engine operating conditions were evaluated in an engine exhaust stream at 1860-1890 deg F for 4 hours. Non-destructive and metallographic examinations revealed the degree of deterioration of each type of coating after test. Results indicate that, in the temperature range of the test, multilayer electrodeposited metallic coatings have the longest service life. No one coating combination survived the test without some serious damage. All coatings tested increased the life of the guide vanes over unprotected Mo. (auth)
- Research Organization:
- Wright Air Development Center. Materials Lab., Wright-Patterson AFB, Ohio
- NSA Number:
- NSA-13-018117
- OSTI ID:
- 4231739
- Report Number(s):
- WADC-TN-58-241; AD-215442
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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