期刊
JOURNAL OF MATERIALS RESEARCH
卷 36, 期 11, 页码 2235-2250出版社
SPRINGER HEIDELBERG
DOI: 10.1557/s43578-020-00035-y
关键词
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资金
- EPSRC
- Rolls-Royce plc
- Royal Commission for the Exhibition of 1851
The method presented allows for registration and correlation of property maps of materials, facilitating the study of micron-scale microstructural features and extraction of correlations between multiple features of interest.
A method is presented for the registration and correlation of property maps of materials, including data from nanoindentation hardness, Electron Back-Scattered Diffraction (EBSD), and Electron Micro-Probe Analysis (EPMA). This highly spatially resolved method allows for the study of micron-scale microstructural features, and has the capability to rapidly extract correlations between multiple features of interest from datasets containing thousands of data points. Two case studies are presented in commercially pure (CP) titanium: in the first instance, the effect of crystal anisotropy on measured hardness and, in the second instance, the effect of an oxygen diffusion layer on hardness. The independently collected property maps are registered using affine geometric transformations and are interpolated to allow for direct correlation. The results show strong agreement with trends observed in the literature, as well as providing a large dataset to facilitate future statistical analysis of microstructure-dependent mechanisms.
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