Low-temperature straining stage for in situ studies of thermoelastic martensitic transformations in a 200 kV electron microscope

A straining and heating/cooling stage has been built for an H700H Hitachi microscope. It provides the possibilities of cooling to 110 K, of heating to 370 K and of stressing a specimen with a maximum tensile force of 50 N (the maximum elongation is 1.2 mm). The maximum tilt angle is about ±25°. The...

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Bibliographic Details
Published in:Ultramicroscopy 1993-02, Vol.49 (1), p.37-45
Main Authors: Stoiber, J., Guisolan, B., Gotthardt, R.
Format: Article
Language:English
Subjects:
Applied sciences
Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
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Summary:A straining and heating/cooling stage has been built for an H700H Hitachi microscope. It provides the possibilities of cooling to 110 K, of heating to 370 K and of stressing a specimen with a maximum tensile force of 50 N (the maximum elongation is 1.2 mm). The maximum tilt angle is about ±25°. The present specimen stage has been employed to study microstructural evolutions during martensitic phase transformations in Cu-Zn-Al single crystals. Interface migration and the movement of partial dislocations have been observed during temperature and stress cycling.
ISSN:0304-3991
1879-2723
DOI:10.1016/0304-3991(93)90211-F