ISO 11093-8:2017

Paper and board — Testing of cores — Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis

Publication date: Jun 15, 2017

General information

Current stage: 90.93 Effective date: Sep 7, 2022

Originator: ISO

Owner: ISO/TC 6

Type: International Standard

ICS: 85.060

Languages: English French

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Status: Published

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 11093-8:2012

Revises
ISO 11093-8:2012/Cor 1:2013

NOW

PUBLISHED
ISO 11093-8:2017
90.93 Standard confirmed
Sep 7, 2022

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