DIMENSIONAL STABILITY OF MATERIALS AND CONSTRUCTIONAL ELEMENTS IN INSTRUMENT MAKING
Concern “CSRI Elektropribor”; Postgraduate
O. S. Yulmetova
Concern "CSRI "Elektropribor", JSC, Saint Petersburg, 197046, Russian Federation; ITMO University, Saint Petersburg, 197101, Russian Federation; Head of Sector; Professor of Practice
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Abstract. Causes of dimensional instability of instrument components and materials are considered, physical mechanisms of the instability manifestation are described. A combined computational and experimental method is proposed for evaluation of dimensional instability of assembly units. Urgency of the method application to precision instrument design is noted.
Keywords:
geometrical instability, resistance to plastic microdeformations, microcreep.
