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ASTM D5930-09

Standard Test Method for Thermal Conductivity of Plastics by Means of a Transient Line-Source Technique

Automaticky přeložený název:

Standardní zkušební metoda pro tepelné vodivosti plastů pomocí Transient Line-Source Technika

NORMA vydána dne 15.8.2009

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Informace o normě:

Označení normy: ASTM D5930-09
Poznámka: NEPLATNÁ
Datum vydání normy: 15.8.2009
Kód zboží: NS-33114
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Termoplasty

Anotace textu normy ASTM D5930-09 :

Keywords:
line-source probe, line-source technique, plastics, rubber, thermal conductivity, thermoplastics, thermosets, Line-source probe technique, Thermal analysis (TA)--plastics, Thermal conductance/conductivity, Thermoplastics, Thermosetting plastics, ICS Number Code 83.080.20 (Thermoplastic materials)

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Significance and Use

The relative simplicity of the test method makes it applicable for a wide range of materials (4, 5). The technique is capable of fast measurements, making it possible to take data before the materials suffer thermal degradation. Alternatively, it is possible to study the effect of compositional changes such as chemical reaction or aging (6). Short measurement times permit generation of large amounts of data with little effort. The line-source probe and the accompanying test specimen are small in size, making it possible to subject the sample to a wide range of test conditions. Because this test method does not contain a numerical precision and bias statement, it shall not be used as a referee test method in case of dispute.

1. Scope

1.1 This test method covers the determination of the thermal conductivity of plastics over a temperature range from – 40 to 400°C. The thermal conductivity of materials in the range from 0.08 to 2.0 W/m.K can be measured covering thermoplastics, thermosets, and rubbers, filled and reinforced.

1.2 The values stated in SI units shall be regarded as standard.

1.3 This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish proper safety and health practices and determine the applicability of regulatory limitations prior to use.

Note 1—There is no known ISO equivalent to this test method.

2. Referenced Documents

E1225-20	Standard Test Method for Thermal Conductivity of Solids Using the Guarded-Comparative-Longitudinal Heat Flow Technique
C518-21	Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
E177-20	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
C1113-99	Standard Test Method for Thermal Conductivity of Refractories by Hot Wire (Platinum Resistance Thermometer Technique)
D618-21	Standard Practice for Conditioning Plastics for Testing
D883-24	Standard Terminology Relating to Plastics
D2717-95(2000)	Standard Test Method for Thermal Conductivity of Liquids
C177-19e1	Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus (Includes all amendments and changes 2/23/2023).