ISO 11093-8:2017 specifies a method for the determination of the flexural modulus by using experimentally measured natural frequencies in the free-free mode of transverse vibration of cylindrical paper and board cores, which meet the following criteria:- internal diameter:50 mm to 350 mm;- minimum wall thickness:0,02 + internal diameter or not less than 2,0 mm;- minimum length of core:8 + internal diameter.NOTE For the determination of the flexural modulus by the three-point method, see ISO 11093-7.
Document identifier
ISO 11093-8:2017
Title
Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis
ISO Category
TC 6: Paper, board and pulps
Publication date
2017-06-01
International Relationship
BS ISO 11093-8:2017 * DIN ISO 11093-8
History of version
ISO 11093-8:2017 * ISO 11093-8:2012/Cor1:2013 * ISO 11093-8:2012 * ISO 11093-8:1997
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