ASTM E1559 PDF

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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Referenced Documents purchase separately The documents listed below awtm referenced within the subject standard but are not provided as part of the standard. Historical Version s – view previous versions of standard. This test method covers a technique for generating data to characterize the kinetics of the release of outgassing products from spacecraft materials. There are two test methods in this standard: This technique will determine both adtm 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.

Link to Active This link will always route to the current Active version of the standard. 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. Test Method A uses standardized specimen and collector temperatures.

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

Link to Active This link will always route to the current Active version of the standard. Test Method B allows the flexibility of user-specified specimen and collector temperatures, material and test geometry, and user-specified QCMs. Active view current version of standard. Test Method A uses standardized specimen and collector temperatures. A test procedure for collecting data and a test method for processing and presenting the collected data are included.

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. Deposition rates are measured during material outgassing tests. The test apparatus shall consists of four main subsystems: These include polymer potting compounds, foams, elastomers, films, tapes, insulations, shrink tubing, adhesives, coatings, fabrics, tie cords, and lubricants.

A test procedure for collecting data and a test method for processing and presenting the collected data are included. This abstract is a brief summary of the referenced 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.

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ASTM E1559 – 09(2016)

The quartz crystal microbalances used in this test method provide a sensitive technique for measuring very sstm quantities of deposited mass. Test Method B allows the flexibility of user-specified specimen and collector temperatures, material and test geometry, and user-specified QCMs. 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.

Deposition rates are measured during material outgassing tests. 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. The values given in parentheses are for information only. These include polymer potting compounds, foams, elastomers, films, tapes, e11559, shrink tubing, adhesives, coatings, fabrics, tie cords, and lubricants. Pressures external to the sample effusion cell are less than 7 E15599 10 -3 Pa 5 X 10 -5 torr.