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Isothermal transformation in. cap alpha. +. beta. titanium alloys of critical composition

Journal Article · · Met. Sci. Heat Treat. (USSR) (Eng. Transl.); (United States)
DOI:https://doi.org/10.1007/BF00664319· OSTI ID:7185797
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From the change in the hardness and the results of metallographic and x-ray analysis isothermal transformation diagrams were plotted for alloys of the critical composition of the VT22 type in which molybdenum and vanadium were partially or completely replaced with iron and chromium. Increasing the amount of iron and chromium, with a corresponding reduction in the amount of molybdenum and vanadium, accelerates the beginning of decomposition of the ..beta.. phase. Alloying with over 4.2 percent iron and chromium lowers the upper limit at which ..omega.. phase exists (as compared with alloy VT22). No intermetallic compounds were observed in any of the alloys investigated with isothermal holding for 100 h.
OSTI ID:
7185797
Journal Information:
Met. Sci. Heat Treat. (USSR) (Eng. Transl.); (United States), Journal Name: Met. Sci. Heat Treat. (USSR) (Eng. Transl.); (United States) Vol. 17:7/8; ISSN MHTRA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
ALLOY-VT22
ALLOYS
ALUMINIUM ALLOYS
CHROMIUM ADDITIONS
CHROMIUM ALLOYS
COHERENT SCATTERING
DIFFRACTION
HARDNESS
IRON ADDITIONS
IRON ALLOYS
ISOTHERMAL PROCESSES
MECHANICAL PROPERTIES
METALLOGRAPHY
MOLYBDENUM ALLOYS
PHASE TRANSFORMATIONS
SCATTERING
TIME DEPENDENCE
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
VANADIUM ALLOYS
X-RAY DIFFRACTION