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Defects AM
RELIABILITY ASSESSMENT OF A SPACE COMPONENT
PRODUCED BY ADDITIVE MANUFACTURING
Gabriele Moroni | 898516 | December 2018
Mechanical systems reliability | Prof. Stefano Beretta
Abstract
In the present relation are reported all the passages of the reliability analysis of a
component for a satellite made by additive manufacturing. 1
Index
Abstract ............................................................................................................................... 1
Index ................................................................................................................................... 2
Defects analysis ................................................................................................................ 3
Evaluation of fatigue strength ....................................................................................... 6
Static assessment .............................................................................................................. 7
Fatigue assessment ......................................................................................................... 9
2
Defects analysis
Defects in the material can be detected by x-ray computed tomography, which has
been performed on five cylindrical fatigue samples like the one in Fig.1. The size of all
the defects detected in the gauge volume of each sample is reported in Fig.2 and Fig.3.
Fig.1 Fatigue sample with gauge dimensions
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