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ISSN: 1820-0206
First published in
1950
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doi:
10.5937/str2002017P
Vol. 70, No.2
(2020), Pages: 17-21
Impressum
Contents
On Design of
Fatigue Resistance Metallic Parts
Strain
Posavljak
This paper is devoted
to design of metallic parts exposed to low cycle fatigue. Two flat
discs, as representatives of these parts, were discussed. The first
with 8, and the second with 64 eccentrically arranged holes. Their
resistance to low cycle fatigue was investigated. Cyclic properties
of two aerospace steels nominated for workmanship, plus planned
revolves per minute and revolves per minute of 5% above planned, are
taken into account. On the base of estimated low cycle fatigue life
data, good design solution was discovered. On the other hand, it was
shown that the both mentioned discs would have a large drop of
resistance to low cycle fatigue for revolves per minute of 5% above
planned.
Key words: flat discs, low cycle fatigue, good design solution
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