Abstract
The Raman spectroscopic method for measuring the degree of crystallinity of polyethylene, developed by Strobl and Hagedorn 1 and by Glotin and Mandelkern, 2 has been applied to the wear debris arising from a continuous dry friction experiment which consisted of friction of high density polyethylene (HDPE) on glass. The analytical method was first tested on two reference HDPE samples having a known degree of crystallinity. The degree of crystallinity of the wear debris is higher than that of the initial non-rubbed material (HDPE, M w = 4·10 6). This result is consistent with the conclusions of a previous tribological and rheological study.
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