ASTM E1559 PDF

Application of ASTM E apparatus to study H. 2. O desorption https://ntrs. ?R= T+Z. Vacuum Optics 2. Outline. • System design approach. • Specific steps to build successful vacuum optics. • ASTM E outgassing test. Title: 20K-cryogenic-temperature satellite materials outgassing facility for ASTM- E standard. Authors: Bertrand, William T.; Prebola, John L.; Wood, Bob E.

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This test method covers a technique for generating data to characterize the kinetics of the release of outgassing products from spacecraft materials. Deposition rates are measured during material outgassing tests.

There ast, two test methods in this standard: 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. Referenced Documents purchase separately The documents listed below are referenced within the 1e559 standard but are not provided as part of the standard.

Test Method A uses standardized specimen and collector temperatures. The quartz crystal microbalances used in this test method provide a sensitive technique for measuring very small quantities of deposited mass.

20K-cryogenic-temperature satellite materials outgassing facility for ASTM-E

Test Method A uses standardized specimen and collector temperatures. These include polymer potting compounds, foams, elastomers, films, tapes, insulations, shrink tubing, adhesives, coatings, fabrics, tie cords, and lubricants.

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Link to Active This link will always route to the current Active version of the standard. Pressures external to the sample effusion cell are less than 7 X 10 -3 Pa 5 X 10 -5 torr. Test Method B allows the flexibility of user-specified specimen and collector temperatures, material and test geometry, and user-specified QCMs.

This abstract is a brief summary of the referenced standard. Active view current version of standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

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.

ASTM E1559 – 09(2016)

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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. Link to Active This link will always route to the current Active version of the standard. The test apparatus shall consists of four main subsystems: Test Method B allows the flexibility of user-specified specimen and collector temperatures, material and test geometry, and user-specified QCMs.

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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. A test procedure for collecting data and a test method for processing and presenting the collected data are included. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

The values given in parentheses are for information only. These include polymer potting compounds, foams, elastomers, films, tapes, insulations, shrink tubing, adhesives, coatings, fabrics, tie cords, and lubricants. Historical Version s – view previous versions of standard. 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.