The release of volatile organic compounds (VOCs) from synthetic materials, is a well-known concern on Earth, particularly for its impact on human health. VOCs are emitted from a range [...]
Testing of ball bearings requires to pre-load them axially and/or radially. This needs manual operation by a technician. If bearings shall be characterized for different pre-loads, every change in [...]
Contamination control is a critical aspect of risk mitigation for contamination sensitive surfaces in satellites. Molecular organic contaminants (MOCs) that are deposited on surfaces like lenses may decrease the [...]
In the dynamic world of aerospace engineering, innovation knows no bounds. As we push the boundaries of what's possible in aviation and space, one frontier that demands our attention [...]
In the realm of re-entry testing, ensuring the safe disintegration of returning spacecraft parts is paramount. At AAC, we underscore the critical significance of demisability tests. These tests simulate [...]
Operating in the challenging environment of space, satellites contend with extreme temperature fluctuations, radiation exposure, and the vacuum of the cosmos. Essential for fortifying these satellites against such harsh [...]
Outgassing of materials in vacuum is often treated neglectfully. Typically, only one side of the equation is considered, such as the loss of oil in a bearing. However, the [...]
A slip ring (in electrical engineering terms) is a method of making an electrical connection through a rotating assembly. Slip rings, also called rotary electrical interfaces, rotating electrical connectors, [...]
Die Charakterisierung von Materialien und Bauteilen auf makro- und mikroskopischer Ebene ermöglicht eine Vielzahl von verschiedenen Untersuchungen: • Identifizierung von Fehlermechanismen im Zuge von Schadensanalysen. • Qualifikation von neuen [...]
A common failure mode seen during the testing and operation of spacecraft is termed ‘cold-welding’ (‘coldwelding’, ‘contact welding’, ‘adhesion’, ‘sticking’ or ‘stiction’). Coldwelding is a solid-state welding process in [...]
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