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Plastics — Determination of thermal conductivity and thermal diffusivity — Part 4: Light flash method
| 분야 | ISO/TC 61/SC 5 : Physical-chemical properties |
|---|---|
| 적용범위 | This document specifies a method for the determination of the thermal diffusivity of a thin solid disc of plastics in the thickness direction by the light flash method. This method is based upon the measurement of the temperature rise at the rear face of the thin-disc specimen produced by a short energy pulse on the front face. The method is applicable to homogeneous solid plastics as well as composites having an isotropic or orthotropic structure. In general, it covers materials having a thermal diffusivity, α, in the range 1 × 10−7 m2⋅s−1 < α < 1 × 10−4 m2⋅s−1. Measurements can be carried out in gaseous and vacuum environments over a temperature range from −100 °C to +400 °C. NOTE For inhomogeneous specimens, the measured values can be specimen thickness dependent. |
| 국제분류(ICS)코드 | 83.080.01 : 플라스틱 일반 |
| 페이지수 | 16 |
| Edition | 3 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 22007-4:2024 | Plastics — Determination of thermal conductivity and thermal diffusivity — Part 4: Light flash method | 2024-01-11 | 표준 |
| 2 | ISO 22007-4:2017 | Plastics — Determination of thermal conductivity and thermal diffusivity — Part 4: Laser flash method | 2017-06-28 | 구판 |
| 3 | ISO 22007-4:2008 | Plastics — Determination of thermal conductivity and thermal diffusivity — Part 4: Laser flash method | 2008-12-08 | 구판 |
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