The Measurement of Surface Roughness and Profiles on Metals
- 1 January 1967
- journal article
- research article
- Published by Taylor & Francis in A S L E Transactions
- Vol. 10 (2) , 193-202
- https://doi.org/10.1080/05698196708972179
Abstract
A study of an optical and two stylus-type instruments for measuring surface finish was conducted. The stylus-type instruments are demonstrated to be inaccurate on metals that have a Rockwell hardness less than C-66. The inaccuracy is attributed primarily to surface damage caused by the stylus. The optical instrument causes no surface damage. Stylus-type instruments are proven also to be unsatisfactory for rating relative degree of roughness unless gross roughness differences are considered. The interpretation of interferographs is discussed.Keywords
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