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Material outgassing, identification and deposition, molidep system
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Montoya, Alex F. Scialdone, John J. |
| Copyright Year | 2002 |
| Description | The outgassing tests are performed employing a modified vacuum operated Cahn analytical microbalance, identified as the MOLIDEP system. The test measures under high vacuum, the time varying Molecular mass loss of a material sample held at a chosen temperature; it Identifies the outgassing molecular components using an inline SRS 300 amu Residual Gas Analyzer (RGA) and employs a temperature controlled 10 MHz Quartz Crystal Microbalance (QCM) to measure the condensable DEPosits. Both the QCM and the RGA intercept within the conductive passage the outgassing products being evacuated by a turbomolecular pump. The continuous measurements of the mass loss, the rate of loss, the sample temperature, the rate of temperature change, the QCM temperature and the QCM recorded condensable deposits or rate of deposits are saved to an Excel spreadsheet. A separate computer controls the RGA. |
| File Size | 2822379 |
| Page Count | 8 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20030025374 |
| Archival Resource Key | ark:/13960/t7hq8wp68 |
| Language | English |
| Publisher Date | 2002-11-01 |
| Access Restriction | Open |
| Subject Keyword | Temperature Dependence Weight Mass Outgassing Materials Tests Microbalances Quartz Crystals Deposition High Vacuum Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
