ISO 17562:2016 PDF

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for linear thermal expansion of monolithic ceramics by push-rod technique

Название (английский):

ISO 17562:2016

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for linear thermal expansion of monolithic ceramics by push-rod technique

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 26 апреля 2016 г.
Издание:: ISO IS 17562 edition 2 version 1
ICS:: 81.060.30

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Описание (английский):

ISO 17562:2016 specifies a method for the determination of the linear thermal expansion and the linear thermal expansion coefficient of monolithic ceramics from near liquid nitrogen temperature up to a maximum temperature of 2 000 °C.

Технические детали

Технический комитет: ISO/TC 206 - Fine ceramics
SKU: ISO 17562:2016

Abstract

Overview

ISO 17562:2016 defines a standardized test method for measuring the linear thermal expansion and the linear thermal expansion coefficient of monolithic fine ceramics (advanced/technical ceramics) using the push‑rod (dilatometer) technique. The method covers a wide temperature range-from near liquid nitrogen temperature up to a maximum of 2000 °C-and specifies the principles, apparatus, specimen preparation, measurement procedure, calibration and reporting required to produce reliable, comparable CTE data.

Key topics and technical requirements

Measurement principle: Record specimen length change versus temperature under controlled heating/cooling and minimal mechanical load; calculate mean and instantaneous linear thermal expansion coefficients.
Temperature range & control: Applicable from cryogenic (near liquid nitrogen) to 2000 °C. Temperature control should enable controlled rates (typically ≤ 5 °C/min) or step changes; homogeneity requirements are tighter below 1000 °C (±2 °C) and relaxed above (±5 °C up to 2000 °C).
Apparatus: Use a push‑rod dilatometer (single‑rod or differential) with:
- Displacement measurement capability with high sensitivity (device selection matched to specimen length).
- Adjustable push‑rod contact force typically 0.1 N to 1 N.
- Temperature measurement (thermocouple) with uncertainty

Overview

Key topics and technical requirements

Measurement principle: Record specimen length change versus temperature under controlled heating/cooling and minimal mechanical load; calculate mean and instantaneous linear thermal expansion coefficients.
Temperature range & control: Applicable from cryogenic (near liquid nitrogen) to 2000 °C. Temperature control should enable controlled rates (typically ≤ 5 °C/min) or step changes; homogeneity requirements are tighter below 1000 °C (±2 °C) and relaxed above (±5 °C up to 2000 °C).
Apparatus: Use a push‑rod dilatometer (single‑rod or differential) with:
- Displacement measurement capability with high sensitivity (device selection matched to specimen length).
- Adjustable push‑rod contact force typically 0.1 N to 1 N.
- Temperature measurement (thermocouple) with uncertainty

ISO 17562:2016 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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