Andreas Merstallinger

About Andreas Merstallinger

Andreas Merstallinger is Head of Space Testing at Aerospace & Advanced Composites GmbH. His doctoral thesis already dealt with the topic of cold welding and since then he extended his fields of activity on tribology at material and space mechanism level.

Ball bearings dynamically testing in TVAC

By |2024-08-20T10:03:02+02:0019. أغسطس 2024|الفضاء|

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 [...]

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Cold welding under space and launch conditions

By |2023-11-24T17:10:08+01:0023. أكتوبر 2023|الفضاء|

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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CronHard – Achieving Stress Corrosion Cracking Resistance in Bearing Steel

By |2023-10-16T09:45:34+02:0016. أكتوبر 2023|الفضاء|

Ball bearings are essential components in various mechanical systems, designed for their high hardness to ensure wear resistance and the ability to withstand high contact stresses. For many years, [...]

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