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ASTM E471-96(2016)
Standard Test Method for Obtaining Char Density Profile of Ablative Materials by Machining and Weighing
STANDARD published on 1.4.2016
The information about the standard:
Designation standards: ASTM E471-96(2016)
Note: WITHDRAWN
Publication date standards: 1.4.2016
SKU: NS-635495
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM E471-96(2016) :
Keywords:
ablation, char density, density profile ,, ICS Number Code 49.025.40 (Rubber and plastics)
Additional information
| 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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