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RESIDUAL STRESSES AND DEFORMATIONS AT RING - SHAPED DISKS IN THERMAL FIELD (PLASTICITY CRITERIA). PART I


RADU GHEORGHE NICOLAE *, COMĂNESCU IOANA SONIA M. **
(*)"TRANSILVANIA" UNIVERSITY BRAƞOV, B-DUL. EROILOR NR. 29, TEL. 0040-0268-413000, FAX 0040-0268-410525, (**)"TRANSILVANIA" UNIVERSITY BRAƞOV, B-DUL. EROILOR NR. 29, TEL. 0040-0268-413000, FAX 0040-0268-410525

Issue:

MOCM, Number 15, Volume III

Section:

Issue No. 15 - Volume III (2009)

Abstract:

The present paper presents the theoretical method for determination of the deformations and the loss of stability of the disk stressed by an axial - symmetric thermal field, variable according to disk radius and thickness, superposed with a field of membrane tensions given by the rotational motion. The experimental results confirm the theoretical hypothesis. This paper also presents the tension and deformation state of the disks being in a non - stationary field of temperature. The study is done until the plastic deformations occur.

Keywords:

disk, thermal field, stress, membrane tension, stability, non - stationary field.

Code [ID]:

MOCM200915V03S01A0010 [0002741]


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