ISO 17590:2025 PDF

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of tests for reinforcements — Determination of the tensile properties of ceramic filaments at elevated temperature in air using the hot grip technique

Название (английский):

ISO 17590:2025

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 2 июля 2025 г.
Издание:: ISO IS 17590 edition 1 version 1
ICS:: 81.060.30

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Описание (английский):

This document specifies a test method for determination of tensile properties, such as tensile strength, Young’s modulus, and fracture strain of ceramic filaments at elevated temperature in air using the hot grip technique. This document applies to continuous ceramic filaments obtained either from a multifilament bundle or spool. This document does not apply to ceramic filaments with creep behaviour at test temperature. The hot grip technique is limited by the temperature resistance of the current ceramic adhesive.

Технические детали

Технический комитет: ISO/TC 206 - Fine ceramics
SKU: ISO 17590:2025

Abstract

Overview

ISO 17590:2025 specifies a standardized test method for determining the tensile properties of continuous ceramic filaments at elevated temperatures in air using the hot grip technique. The standard targets advanced or fine ceramics (advanced technical ceramics) and defines procedures to measure tensile strength, Young’s modulus, and fracture strain of filaments obtained from multifilament bundles or spools. It excludes filaments that exhibit creep at the test temperature and notes that the hot grip technique is limited by the temperature resistance of the adhesive used.

Key topics and technical requirements

Test principle: Filament ends are bonded into ceramic tubes (hot grips) with high-temperature adhesive, heated in a furnace in air, and loaded under constant displacement until failure. Force and displacement are recorded.
Specimen preparation:
- Use continuous ceramic filaments from bundle or spool.
- Recommended alumina ceramic tubes (typical inner diameter 1–1.5 mm; outer diameter 2.5–3.5 mm) and an oblique cut to facilitate gluing.
- Define gauge length (L0) and measure initial cross‑section area (S0) at room temperature.
Apparatus and instrumentation:
- Tensile testing machine with constant cross‑head displacement and force-measuring system compliant with ISO 7500‑1 (class 1 or better).
- Cross-head displacement measurement accuracy better than 1 μm.
- Thermocouples per IEC 60584‑1; furnace temperature resolution ≥1 °C and accuracy ≤5 °C.
- Furnace heating rate capability 30–100 °C/min and specified temperature uniformity within the gauge length (

Overview

Key topics and technical requirements

Test principle: Filament ends are bonded into ceramic tubes (hot grips) with high-temperature adhesive, heated in a furnace in air, and loaded under constant displacement until failure. Force and displacement are recorded.
Specimen preparation:
- Use continuous ceramic filaments from bundle or spool.
- Recommended alumina ceramic tubes (typical inner diameter 1–1.5 mm; outer diameter 2.5–3.5 mm) and an oblique cut to facilitate gluing.
- Define gauge length (L0) and measure initial cross‑section area (S0) at room temperature.
Apparatus and instrumentation:
- Tensile testing machine with constant cross‑head displacement and force-measuring system compliant with ISO 7500‑1 (class 1 or better).
- Cross-head displacement measurement accuracy better than 1 μm.
- Thermocouples per IEC 60584‑1; furnace temperature resolution ≥1 °C and accuracy ≤5 °C.
- Furnace heating rate capability 30–100 °C/min and specified temperature uniformity within the gauge length (

ISO 17590:2025 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

Key topics and technical requirements

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