Effects of loading history and closure of the fatigue characteristics of heat-treated Ti-6Al-2Sn-4Zr-6Mo. Master's thesis
Technical Report
·
OSTI ID:6338141
The purpose of this study was to investigate the effects of loading history and crack closure on the fatigue-threshold properties of additionally heat treated Ti-6Al-2Sn-4Zr-6Mo. The crack-closure measurements taken by a clip gage, strain gage mounted on the back face (BFS), and laser interferometric displacement gage (IDG) were compared. Also, the effects of heat treatment on the fatigue behavior of Ti 6246 were discussed. Three tests were run using compact test specimens at a test frequency of 30 hz. The results from these tests indicated that additionally heat treating Ti 6246 did improve its fatigue threshold characteristics.
- Research Organization:
- Air Force Inst. of Tech., Wright-Patterson AFB, OH (USA). School of Engineering
- OSTI ID:
- 6338141
- Report Number(s):
- AD-A-202652/4/XAB; AFIT/GAE/AA-88D-30
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
CLOSURES
CRACKS
FATIGUE
HEAT TREATMENTS
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
MECHANICAL PROPERTIES
MOLYBDENUM ALLOYS
STRAIN GAGES
TIN ALLOYS
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
ZIRCONIUM ALLOYS
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
CLOSURES
CRACKS
FATIGUE
HEAT TREATMENTS
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
MECHANICAL PROPERTIES
MOLYBDENUM ALLOYS
STRAIN GAGES
TIN ALLOYS
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
ZIRCONIUM ALLOYS