AN INVESTIGATION OF THE EFFECTS OF IMPURITIES AND METALLURGICAL VARIABLES ON THE NOTCH SENSITIVITY OF TITANIUM ALLOYS. Period Covered: March 1, 1957 to February 28, 1958
Technical Report
·
OSTI ID:4260770
The notch tensile propenties of three commercial titanium-base alloys, A110AT (Ti -5.0Al--2.5Sn), Ti6Al-4V, and Ti-140A (Ti-2Fe-2Cr-2Mo), were investigated at six interstitial levels, four microstructural conditions, and over a range of temperatures from - 196 to 200 C. Notch sensitivity generally was increased by increased interstitial content, low temperature, and acicular- type microstructures. In addition, sensitivity to slow-strain hydrogen embrittlement was observed in the temperature range near 0 C at hydrogen levels well below specification limits. (auth)
- Research Organization:
- Battelle Memorial Inst., Columbus, Ohio
- NSA Number:
- NSA-13-010052
- OSTI ID:
- 4260770
- Report Number(s):
- WADC-TR-58-438; AD-207078
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ALUMINUM ALLOYS-- TIN ALLOYS
ALUMINUM ALLOYS-- VANADIUM ALLOYS
BRITTLENESS-- CONFIGURATION-- DEFECTS-- DEFORMATION-- HYDROGEN-- IMPURITIES-- INTERSTITIALS-- LATTICES-- LOW TEMPERATURE-- METALLOGRAPHY-- TEMPERATURE-- TENSILE PROPERTIES-- TITANIUM ALLOYS
CHROMIUM ALLOYS-- IRON ALLOYS-- MOLYBDENUM ALLOYS
METALLURGY AND CERAMICS
ALUMINUM ALLOYS-- VANADIUM ALLOYS
BRITTLENESS-- CONFIGURATION-- DEFECTS-- DEFORMATION-- HYDROGEN-- IMPURITIES-- INTERSTITIALS-- LATTICES-- LOW TEMPERATURE-- METALLOGRAPHY-- TEMPERATURE-- TENSILE PROPERTIES-- TITANIUM ALLOYS
CHROMIUM ALLOYS-- IRON ALLOYS-- MOLYBDENUM ALLOYS
METALLURGY AND CERAMICS