The key comparison EURAMET.L-K8.2013 on roughness was carried out in the framework of a EURAMET project starting in 2013 and ending in 2015. It involved the participation of 17 National Metrology Institutes from Europe, Asia, South America and Africa representing four regional metrology organisations. Five surface texture standards of different type were circulated and on each of the standards several roughness parameters according to the standard ISO 4287 had to be determined. 32 out of 395 individual results were not consistent with the reference value. After some corrective actions the number of inconsistent results could be reduced to20, which correspond to about 5% of the total and can statistically be expected. In addition to the material standards, two softgauges were circulated, which allow to test the software of the instruments used in the comparison. The comparison results help to support the calibraton and measurement capabilities (CMCs) of the laboratories involved in the CIPM MRA.

Key comparison EURAMET.L-K8.2013 calibration of surface roughness standards / Thalmann, R; Nicolet, A; Meli, F; Picotto, Gianbartolo; Matus, M; Carcedo, L; Hemming, B; Ganioglu, O; De Chiffre, L; Saraiva, F; Bergstrand, S; Zelenika, S; Tonmueanwai, A; Tsai, C -L; Shihua, W; Kruger, O; de Souza, M M; Salgado, J A; Ramotowski, Z. - In: METROLOGIA. - ISSN 0026-1394. - 53:1A(2016), pp. 04001-04001. [10.1088/0026-1394/53/1A/04001]

Key comparison EURAMET.L-K8.2013 calibration of surface roughness standards

Picotto, Gianbartolo;
2016

Abstract

The key comparison EURAMET.L-K8.2013 on roughness was carried out in the framework of a EURAMET project starting in 2013 and ending in 2015. It involved the participation of 17 National Metrology Institutes from Europe, Asia, South America and Africa representing four regional metrology organisations. Five surface texture standards of different type were circulated and on each of the standards several roughness parameters according to the standard ISO 4287 had to be determined. 32 out of 395 individual results were not consistent with the reference value. After some corrective actions the number of inconsistent results could be reduced to20, which correspond to about 5% of the total and can statistically be expected. In addition to the material standards, two softgauges were circulated, which allow to test the software of the instruments used in the comparison. The comparison results help to support the calibraton and measurement capabilities (CMCs) of the laboratories involved in the CIPM MRA.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11696/57133
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