Influence of temperature gradient on surface texture measurements with the use of profilometry

The paper presents an analysis of influence of ambient temperature changes on the values of parameters in topography measurements with the use of different profilometry techniques. In order to check this, a series of measurements was performed. Two multiprofilometry instruments were used - a contact...

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Bibliographic Details
Published in:Bulletin of the Polish Academy of Sciences. Technical sciences 2017-02, Vol.65 (1), p.53-62
Main Authors: Miller, T., Adamczak, S., Świderski, J., Wieczorowski, M., Łętocha, A., Gapiński, B.
Format: Article
Language:English
Subjects:
Air conditioners
Air conditioning
Ambient temperature
credibility
Interferometry
profilometry
surface topography
Temperature gradients
temperature influence on measurements
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Summary:The paper presents an analysis of influence of ambient temperature changes on the values of parameters in topography measurements with the use of different profilometry techniques. In order to check this, a series of measurements was performed. Two multiprofilometry instruments were used - a contact profilometer, further equipped with an interferometric transducer, and an optical one with a confocal probe. Measurements were performed on first-class flat interferometric glass and on an A-type roughness standard - under different conditions, with simultaneous registration of differences in ambient temperature values. These values were either intentionally changed or the temperature variations were the result of air conditioning control. The performed research showed that - despite the asperities on the surface being really small - there is a relationship between changes of temperature and the results obtained from the measured surface, which in some cases can be seriously distorted.
ISSN:2300-1917
0239-7528
2300-1917
DOI:10.1515/bpasts-2017-0007