ASTM-E1559:2003 Edition

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E1559-03 Standard Test Method for Contamination Outgassing Characteristics of Spacecraft Materials

Published By	Publication Date	Number of Pages
ASTM	2003	16

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Categories: 49.025.01 - Materials for aerospace construction in general, ASTM

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Description

ASTM E1559-03

Historical Standard: Standard Test Method for Contamination Outgassing Characteristics of Spacecraft Materials

ASTM E1559

Scope

1.1 This test method covers a technique for generating data to characterize the kinetics of the release of outgassing products from materials. This technique will determine both the total mass flux evolved by a material when exposed to a vacuum environment and the deposition of this flux on surfaces held at various specified temperatures.

1.2 This test method describes the test apparatus and related operating procedures for evaluating the total mass flux that is evolved from a material being subjected to temperatures that are between 298 and 398K. Pressures external to the sample effusion cell are less than 7 × 10⁻³ Pa (5 × 10⁻⁵ torr). Deposition rates are measured during material outgassing tests. A test procedure for collecting data and a test method for processing and presenting the collected data are included.

1.3 This test method can be used to produce the data necessary to support mathematical models used for the prediction of molecular contaminant generation, migration, and deposition.

1.4 All types of organic, polymeric, and inorganic materials can be tested. These include polymer potting compounds, foams, elastomers, films, tapes, insulations, shrink tubing, adhesives, coatings, fabrics, tie cords, and lubricants.

1.5 There are two test methods in this standard. Test Method A uses standardized specimen and collector temperatures. Test Method B allows the flexibility of user-specified specimen and collector temperatures, material and test geometry, and user-specified QCMs.

1.6 The values stated in SI units are to be regarded as the standard.

1.7 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.

Keywords

contamination control; materials; molecular deposition; outgassing; spacecraft

ICS Code

ICS Number Code 49.025.01 (Materials for aerospace construction in general)

DOI: 10.1520/E1559-03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method
3	Test Apparatus
4	FIG. 1 FIG. 2
5	Support Equipment/Materials Hardware Cleaning TABLE 1
6	Test Specimen Specification
7	Procedure
9	Data Processing FIG. 3
10	FIG. 4 FIG. 5
11	TABLE 2
12	Report
13	Precision and Bias Keywords FIG. 6
14	TABLE 3
15	TABLE 4

Additional information

Standard Title	E1559-03 Standard Test Method for Contamination Outgassing Characteristics of Spacecraft Materials
Published Code	ASTM
Publication Date	2003
Pages Count	16
ICS Codes	49.025.01 - Materials for aerospace construction in general