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ASTM D7775-11
Standard Guide for Measurements on Small Graphite Specimens
Automaticky preložený názov:
Štandardné Sprievodca pre meranie na malé Grafitové vzoriek
NORMA vydaná dňa 1.12.2011
Informácie o norme:
Označenie normy: ASTM D7775-11
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2011
Kód tovaru: NS-39095
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM D7775-11 :
Keywords:
carbon, coefficient of thermal expansion, density, graphite, resistivity, resonance, sonic, tensile stress-strain, thermal diffusivity, velocity, Young´s Modulus, ICS Number Code 59.100.20 (Carbon materials)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||
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The purpose of this guide is to report considerations, which should be included in testing nonstandard specimens that lie outside the constraints imposed on size/volume in existing ASTM standards for graphite (noting that there are some generic ASTM standards with no such constraints). These constraints may be real or may be an artifact of the round-robin test program that supported the standard. It is the responsibility of the user to demonstrate that the application of a standard outside any specified constraints is valid and reasonably provides properties of the bulk material from which the nonstandard specimen was extracted. |
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| 1. Scope | ||||||||||||||||||||||||||||||||
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1.1 This guide covers best practice for properties measurements on small (nonstandard) graphite specimens and requirements for representing properties of the bulk material. This guide is aimed specifically at measurements required on nuclear graphites, where there may be constraints on the geometry or volume of the test specimen, or both. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||
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