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Proceedings Paper

Deformations of a gauging surface texture under wringing conditions
Author(s): Alexandre Titov; Igor Malinovsky; C. A. Massone; G. A. Garcia; Mauricio Urban Kleinke; Marta Elisa Rosso Dotto
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Paper Abstract

This paper deals with some basic problems of interferometric length measurements. Traditionally, all the deformations of a material artifacts, associated with the wringing procedure, were included into the length of a block, as there were no reliable ways to measure these deformations and to apply the corresponding corrections. Here, we present the first measurements of the surface texture deformations, arising in the wringing contact between the two gauging surfaces of similar materials and surface finish. The deformation value is obtained as a result of the measurements of the peak-to-peak length value of a free, unperturbed block and of the mechanical length of the block, which is obtained with the reproducible wiring technique and the slave-block method. Basically new concept for the optical length metrology - the physical length of a free artifact has been introduced in to the measuring practice. The way for crucial improvement of the realization of the SI length unit in the corresponding range has been outlined.

Paper Details

Date Published: 22 October 2001
PDF: 12 pages
Proc. SPIE 4401, Recent Developments in Traceable Dimensional Measurements, (22 October 2001); doi: 10.1117/12.445619
Show Author Affiliations
Alexandre Titov, National Metrology Institute (Brazil)
Igor Malinovsky, National Metrology Institute (Brazil)
C. A. Massone, National Metrology Institute (Brazil)
G. A. Garcia, National Metrology Institute (Brazil)
Mauricio Urban Kleinke, Univ. Estadual de Campinas (Brazil)
Marta Elisa Rosso Dotto, Univ. Estadual de Campinas (Brazil)


Published in SPIE Proceedings Vol. 4401:
Recent Developments in Traceable Dimensional Measurements

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