ISO 4410:2023 PDF

Name: ISO 4410:2023 — Test methods for the experimental characterization of in-plane permeability of fibrous reinforcements for liquid composite moulding
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Test methods for the experimental characterization of in-plane permeability of fibrous reinforcements for liquid composite moulding

Название (английский):

ISO 4410:2023

Test methods for the experimental characterization of in-plane permeability of fibrous reinforcements for liquid composite moulding

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 32
Дата публикации:: 19 июля 2023 г.
Издание:: ISO IS 4410 edition 1 version 1
ICS:: 83.120

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Описание (английский):

This document specifies test methods for the experimental characterization of in-plane permeability of fibrous reinforcements for liquid composite moulding. Requirements for test equipment, test methods and data analysis are detailed, to ensure optimal accuracy and reproducibility of the results.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview

ISO 4410:2023 - Test methods for the experimental characterization of in‑plane permeability of fibrous reinforcements for liquid composite moulding - defines standardized procedures to measure and report the unsaturated in‑plane permeability of fibrous reinforcements used in liquid composite moulding (LCM). The standard prescribes requirements for test equipment, specimen and mould preparation, fluid and injection systems, measurement of pressure/temperature/flow, and data analysis to ensure accuracy, repeatability and reproducibility of permeability results.

Keywords: ISO 4410:2023, in‑plane permeability, fibrous reinforcements, liquid composite moulding, LCM, permeability measurement.

Key topics and technical requirements

Principle and background

Permeability is characterized in the context of Darcy’s law and expressed as a symmetric second‑order tensor; ISO 4410 focuses on the two principal in‑plane permeabilities.

Design of experiments

Guidance on selection of injection method, number of repeat tests, setting fibre volume fraction, injection pressure, temperature control and plausibility checks.

Specimen and mould preparation

Requirements for specimen cutting, stacking, mass measurement, mould height, surface roughness, alignment and thickness control.

Test fluids and injection systems

Specifications for preparing test fluids and conditioning the injection system to minimize experimental bias.

Measurement and instrumentation

Procedures for measuring fluid pressure, temperature and flow rate and for flow‑front monitoring.

Two primary experimental methods

Method A - Linear flow experiments: apparatus design, injection/vent geometry, data segmentation and algorithm for permeability tensor calculation.
Method B - Radial flow experiments: apparatus specifics, inlet/vent geometry, radial flow monitoring and data processing.

Data processing and validity

Data acquisition sampling, segmentation, evaluation procedures, tensor calculation and validity checks to quantify uncertainty.

Documentation

Mandatory reporting content for single experiments and options for documenting repeat tests and model approximations.

Practical applications

Designing and optimizing LCM processes for fast, complete impregnation (short cycle times and high part quality).

Material selection and qualification for automotive, aerospace, marine and wind‑energy composite components.

Process simulation and modelling where accurate permeability inputs are required for flow front prediction and tooling design.

Quality control and R&D in material suppliers’ and test laboratories.

Who should use ISO 4410:2023

Composite process engineers and production planners working with LCM (RTM, infusion).

R&D teams and materials scientists characterizing reinforcement architectures.

Test laboratories that provide permeability measurements for part design or supplier qualification.

Simulation specialists needing validated permeability data for flow modelling.

ISO 4410:2023 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use ISO 4410:2023

Related standards

Технические детали

BS ISO 4410:2023

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