期刊
MATERIALS LETTERS
卷 89, 期 -, 页码 133-136出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.08.069
关键词
Focused ion beam; Electron microscopy; Radiation damage; Sample preparation technique; In-situ strain TEM experiment
A modified preparation technique is suggested for fabrication of an experimental TEM sample of structural material. A semicircular titanium grid with a diameter of 3 mm was fabricated instead of a commercial TEM grid for various TEM analyses. Both edges of a pre-fabricated TEM lamella were strongly welded on a rectangular hole at thin edge of the grid to prevent significant bending during additional ion milling. The samples prepared by the modified preparation technique can be used for obtaining of clear TEM images of precipitates and microstructural defects and for observing of the interaction behaviors between defects and dislocation during an in-situ straining TEM examination. (C) 2012 Elsevier B.V. All rights reserved.
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