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3.6.2 Optical Microscopy
Quasi-static and low velocity impact fracture specimens were analysed using
Carl-Zeiss AxioCam optical microscopy as shown in Figure 3.14. Fracture specimen
was placed onto the flat stage and it is very important to ensure that the light is directed
to the camera. Then, the magnification knob was set up to the lowest power and bring
the image into focus using the focus control. Also, make a necessary adjustment of the
eyepieces by moving its closer together or farther apart till a single and clear image is
observed. Apart from that, the image of the specimen can be easily observed using
integrated software AxioVision 4.8.2. From the software icons, it is easier to setting
the parameters to suit with the desired images. After the clear image is obtained, it will
be captured and save for details analysis.
(a) (b)
Figure 3.14 (a) Optical microscopy (Carl-Zeiss) AxioCam, and (b) light source
controller
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