EN 2378:1995
(Main)Aerospace series - Fibre reinforced plastics - Determination of water absorption by immmersion
Aerospace series - Fibre reinforced plastics - Determination of water absorption by immmersion
This standard specifies the method for the determination of water absorption by immersion. It applies to fibre reinforced plastics in sheet form and enables: - a comparison between two material; - the determination of diffusion parameters at a later date. The choice of these depends on the model adopted (see annex A).
Luft- und Raumfahrt - Faserverstärkte Kunststoffe - Bestimmung der Wasseraufnahme durch Einlagerung
Diese Norm legt das Verfahren zur Bestimmung der Wasseraufnahme durch Einlagerung fest. Sie gilt für faserverstärkte Kunststoffe in Plattenform und erlaubt: - den Vergleich zweier Werkstoffe; - die spätere Bestimmung von Diffusionsparametern. Die Wahl der Parameter hängt vom verwendeten Modell ab (siehe Anhang A).
Série aérospatiale - Plastiques renforcés de fibres - Détermination de l'absorption d'eau par immersion
La présente norme spécifie la méthode de détermination de l'absorption d'eau par immersion. Elle s'applique aux plastiques renforcés de fibres se présentant sous forme de plaque et permet: - la comparaison de deux matériaux; - la détermination ultérieure de paramètres de diffusion. Le choix de ces derniers dépend du modèle retenu (voir annexe A).
Aerospace series - Fibre reinforced plastics - Determination of water absorption by immmersion
General Information
Overview
EN 2378:1995 is a European standard developed by CEN focusing on the aerospace industry’s use of fibre reinforced plastics (FRP). This standard specifies a standardized method for the determination of water absorption by immersion in FRP sheet materials. Water absorption characteristics are critical in the aerospace sector because moisture uptake can significantly affect the mechanical and physical properties of composite materials used in aircraft structures.
The standard provides a repeatable and accurate test procedure that facilitates the comparison of water uptake between different fibre reinforced plastic materials. Additionally, it supports the determination of diffusion parameters over time, which are important for evaluating long-term material performance under humid or wet conditions.
Key Topics
- Water Absorption Testing: Clear guidelines on sample preparation, immersion duration, and measurement techniques to quantify water uptake in FRP materials.
- Material Comparison: Enables manufacturers and researchers to compare water absorption characteristics of various fibre reinforced plastics in sheet form, enhancing material selection decisions.
- Diffusion Parameters: Offers a foundation for calculating diffusion coefficients and other related parameters essential for modeling moisture ingress and predicting durability.
- Test Applicability: Primarily focused on aerospace-grade composites, but relevant to any high-performance fibre reinforced plastics requiring moisture absorption data.
- Annex A Reference: Provides background on the choice of diffusion models used to interpret test results, supporting users with theoretical and practical insights into material behavior.
Applications
- Aerospace Manufacturing: Ensuring that composite parts meet strict moisture absorption standards to maintain safety, performance, and longevity in aerospace applications.
- Quality Control: Routine testing of fibre reinforced plastics to monitor batch consistency and adherence to aerospace material specifications.
- Material Research and Development: Assisting engineers and scientists in developing new FRP formulations with optimized moisture resistance.
- Predictive Maintenance: Using diffusion parameters derived from water absorption data to forecast material degradation under operational environmental conditions.
- Comparative Analysis: Selecting appropriate composite materials for aerospace, automotive, and other advanced engineering sectors where moisture resistance is critical.
Related Standards
To maximize the utility of EN 2378:1995, it is useful to consider it alongside other relevant standards dealing with fibre reinforced plastics and water absorption:
- EN 2564 - Aerospace series - Fibre reinforced plastics - Determination of water absorption by humidity conditioning.
- ISO 62 - Plastics - Determination of water absorption.
- ASTM D570 - Standard Test Method for Water Absorption of Plastics.
- EN 2728 - Aerospace series - Composite materials environmental conditioning.
- ISO 1785 - Plastics and composite materials - Determination of water diffusion coefficients.
These complementary standards provide broader testing frameworks and environmental conditioning methods that enhance material characterization efforts.
Using EN 2378:1995 as a reference ensures aerospace manufacturers, testing laboratories, and researchers apply a rigorous and reliable method for evaluating water absorption in fibre reinforced plastics-critical for maintaining material integrity and safety under moist conditions. This contributes significantly to the quality assurance in aerospace composites and supports innovation in composite material engineering.
Frequently Asked Questions
EN 2378:1995 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Fibre reinforced plastics - Determination of water absorption by immmersion". This standard covers: This standard specifies the method for the determination of water absorption by immersion. It applies to fibre reinforced plastics in sheet form and enables: - a comparison between two material; - the determination of diffusion parameters at a later date. The choice of these depends on the model adopted (see annex A).
This standard specifies the method for the determination of water absorption by immersion. It applies to fibre reinforced plastics in sheet form and enables: - a comparison between two material; - the determination of diffusion parameters at a later date. The choice of these depends on the model adopted (see annex A).
EN 2378:1995 is classified under the following ICS (International Classification for Standards) categories: 49.025.40 - Rubber and plastics. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Fibre reinforced plastics - Determination of water absorption by immmersionLuft- und Raumfahrt - Faserverstärkte Kunststoffe - Bestimmung der Wasseraufnahme durch EinlagerungSérie aérospatiale - Plastiques renforcés de fibres - Détermination de l'absorption d'eau par immersionAerospace series - Fibre reinforced plastics - D
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記事タイトル：EN 2378:1995 - 航空宇宙シリーズ - 繊維強化プラスチック - 浸漬による吸水率の測定 記事内容：この規格は、浸漬による吸水率を測定する方法を定めています。シート状の繊維強化プラスチックに適用され、以下の機能が可能になります：2つの材料の比較、後日拡散パラメーターの決定。ただし、この選択は採用するモデルによって決まります（付属書Aを参照）。
The article discusses a standard called EN 2378:1995 that focuses on the determination of water absorption by immersion. This standard is applicable to fibre reinforced plastics in sheet form and has two main purposes. Firstly, it allows for a comparison between two different materials. Secondly, it enables the determination of diffusion parameters at a later date, depending on the model adopted.
기사 제목: EN 2378:1995 - 항공우주 시리즈 - 섬유 강화 플라스틱 - 담수 흡수 비율 측정 기사 내용: 이 표준은 담수 흡수 비율을 측정하기 위한 방법을 규정합니다. 이는 시트 형태의 섬유 강화 플라스틱에 적용되며 다음과 같은 기능을 제공합니다. 두 재료 간의 비교를 가능하게 하며, 이후에 확산 매개변수를 결정하는 것이 가능합니다. 그러나 결정할 때에는 채택한 모델에 따라 선택해야 합니다 (부록 A 참조).
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