Introduction
Accurate stress-strain curve of material engineering is the precondition to obtain accurate mechanical properties such as young's modulus, strength and ductility. Mechanical properties of materials such as and ductility can be extracted from the engineering stress-strain curve. However, obtaining accurate strain data from in-situ electron microscopy mechanical date is challenging, due to the existence of a variety of interference factors such as out of gauge displacement of the measured sample, indenter drift, electrical signal drift and thermal drift caused by environmental parameters. Meanwhile, in the existing data processing process, the loaded images and mechanical data may come from different manufacturers, the data points are difficult to synchronize, and the parameters cannot be adjusted under the visual interface. To solve this issue, we develop Matv, a visualized analysis software for processing in-situ electron microscopy mechanical data. Under the graphical user interface, Matv can track the axial and radial deformation of uniaxial compression/tension samples in the in-situ mechanical movie in a frame-by-frame style to obtain longitudinal and transverse strain , and to align the above strain data and mechanical data through the time characteristic points. Finally correlate the measurement results with the original mechanical data to correct the strain values. Matv can help users with batch processing of in-situ electron microscope mechanical data and then reduce data processing time from several hours to a few minutes. The continuously improved software is expected to provide efficient tools for researchers of in-situ mechanics.
Technical Support
cwfan@xjtu.edu.cn
User Manual
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Software
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