Fine structure of as-quenched omega-phase of Ti-Mo alloy observed by HREM with image processing

The structure of the omega-phase which is formed by the quenching of Ti-14 wt%Mo alloy from 1223 K to 273 K was investigated at the atomic level using a high-resolution electron microscope (HREM). The HREM image were formed by using 15 diffracted waves including diffuse scattering due to the omega-p...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1987-06, Vol.26 (6), p.L961-L964
Main Authors: SUKEDAI, E, HASHIMOTO, H, HIDA, M
Format: Article
Language:English
Subjects:
Alloys
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Physics
Specific materials
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:The structure of the omega-phase which is formed by the quenching of Ti-14 wt%Mo alloy from 1223 K to 273 K was investigated at the atomic level using a high-resolution electron microscope (HREM). The HREM image were formed by using 15 diffracted waves including diffuse scattering due to the omega-phase. The focus of imaging was adjusted to aberration-free-focus (AFF) condition and the observed images were processed by a computer to reveal the structure of the omega-phase only. It was found that the omega-phase co-exists with an omega-like structure formed by vacancy clusters.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.26.L961