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The paper describes the model for assessing the effect that manufacturing errors have on the missile's trajectory and the position of its impact point. Manufacturing errors are considered to be non‐deterministic variables. One typical error is analyzed: the erroneously manufactured missile's warhead. To test the resulting trajectory deviation, a realistic 3D CAD model of a missile is built and linked...
Parts produced by extrusion‐based additive manufacturing experience the disadvantage of consisting of many weld‐lines, which consequently downgrade their mechanical properties. This work aims at maximizing the strength of printed parts by considering and improving the intra‐ and inter‐layer cohesion between adjacent strands. Therefore, printed poly(lactic acid) specimens were characterized by means...
Among all ignition sources, mechanical ignition sources (hot surfaces, friction and impacts etc.) are the main cause of ignition of explosive atmospheres. The aim of this paper is to study the effects of ball bearings in electrical and mechanical equipment as a source of ignition of explosive atmospheres. The damaged ball bearings which create effective sources of ignition are illustrated here. Knowledge...
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