British Standards Institution

Source:: ISO
Committee:: PRI/300 - GB Co-ordination for International work on plastics standards
Categories:: Standardization. General rules | Measurement and Science | Metrology and measurement | Manufacturing | Rubber and plastic industries | Rubber and plastics industries. Manufacturing processes | Rubber and plastics. Raw materials. General | Plastics

Scope

This international standard specifies the apparatus, measurement procedure for evaluating the homogeneity of a material for each section in conductive material using eddy current measurements. This draft is applicable to most conductive materials and is also suitable for evaluating the homogeneity of fibrous conducting materials composed of multi-filaments.

Purpose

Conductive polymers and materials are being applied to various industries causes of growth the electric/electronic industry, an increase in demand for lightweight parts, and ease of processing.The homogeneity of conductive material is an important factor in determining the quality of the final product, but it is difficult to analyse the uniformity of the components at each section in the material.Although many studies have been conducted to evaluate the electrical properties of conductive materials and composite materials, about this standards still lacking.The eddy current measurement is a highly reliable non-destructive testing method that detects discontinuities in electrically conductive materials. When an eddy current encounters a defect such as a crack, it detects and the measured impedance changes.Therefore, this standard provides an objective measurement method that can quantify the uniformity of components at each section for conductive material using these eddy current measurements.The information to obtain for the users on this standard are:(a) Evaluatinghomogeneity through electrical property analysis of conductive materials,(b)Evaluating the homogeneity of fibrous conductive material(spread carbon fiber tow)

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

06/11/2023

Proposal end date:

29/12/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

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Standards Development

ISO/NP 24858 Eddy current measurement on spread carbon fiber tow

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