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ASTM E471-96(2016)
Standard Test Method for Obtaining Char Density Profile of Ablative Materials by Machining and Weighing
Automaticky preložený názov:
Štandardná testovacia metóda pre získanie Char Hustota Profil žiaruvzdorných materiálov obrábaním a vážiace
NORMA vydaná dňa 1.4.2016
Informácie o norme:
Označenie normy: ASTM E471-96(2016)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.4.2016
Kód tovaru: NS-635495
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E471-96(2016) :
Keywords:
ablation, char density, density profile ,, ICS Number Code 49.025.40 (Rubber and plastics)
Doplňujúce informácie
| 1. Scope |
|
1.1 This test method covers the determination of the char density profile of a charred ablator that can be used with the following limitations: 1.1.1 The local surface imperfections must be removed, and the char must be able to be machined off in a plane parallel to the char-virgin material interface before the density profiles can be determined. 1.1.2 The char must be strong enough to withstand the machining and handling techniques employed. 1.1.3 The material should have orderly density variations. The total thickness of the char and degradation zone must be larger than the machining thicknesses required. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.2.1 Exception—Certain inch-pound equivalent units are included in parentheses for information only. 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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