Abstract
The American Society for Testing and Materials (ASTM) has published a new standard test method for characterizing time and temperature dependence of material outgassing kinetics and the deposition kinetics of outgassed species on surfaces at various temperatures. This new ASTM standard, E 1559,1 uses the quartz crystal microbalance (QCM) collection measurement approach. The test method was originally developed under a program sponsored by the U.S. Air Force Materials Laboratory to create a standard test method for obtaining outgassing and deposition kinetics data for spacecraft materials. Standardization by ASTM recognizes that the method has applications beyond aerospace. In particular, the method will provide data of use to the electronics, semiconductor, and high vacuum industries. This paper describes the ASTM E 1559 test method and presents some typical data. the paper also describes the Lockheed ASTM E 1559 test apparatus.
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