Here is an image of a high density polyethylene fracture. The image was obtained with the ESEM XL30 TMP Philips Electron Microscope. The small marker at the right bottom of the image represents a length of 20 µm (0.02 mm). This is the image of a "craze". A craze is a planar defect similar to a crack. It contains an interpenetrating network of voids among highly drawn polymer fibrils bridging the craze faces. In this case, the bridges fractured completely.
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Last updated: August.26.2001 Images are ESEMIR ownership. For any use, ask for permission.
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