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CREEP TRANSITION STRESSES IN A THIN ROTATING DISC WITH SHAFT BY FINITE DEFORMATION UNDER STEADY-STATE TEMPERATURE

ABSTRACT
Creep stresses and strain rates have been derived for a thin rotating disc with shaft at different temperature. Results have been discussed and presented graphically. It has been observed that radial stress has maximum value at the internal surface of the rotating disc made of incompressible material as compared to circumferential stress and this value of radial stress further increase with the increase of angular speed. With the introduction of thermal effect, it has been observed that radial stress has higher maximum value at the internal surface of the rotating disc made of incompressible material as compared to circumferential stress, and this value of radial stress further increases with the increase of angular speed as compared to the case without thermal effect. Strain rates have maximum values at the internal surface for compressible material. Rotating disc is likely to fracture by cleavage close to the inclusion at the bore.
KEYWORDS
PAPER SUBMITTED: 2009-06-26
PAPER REVISED: 2010-01-04
PAPER ACCEPTED: 2010-01-08
DOI REFERENCE: https://doi.org/10.2298/TSCI1002425P
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2010, VOLUME 14, ISSUE 2, PAGES [425 - 436]
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