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Article title CRACK-LIKE DEFECT PROPAGATION IN CONSTRUCTIVE ELEMENTS OF MEDICAL APPARATUSES OF CYLINDRICAL SHAPE
Authors V.A. Zhornik, A.A. Yashchenko
Section SECTION I. FUNDAMENTAL BASES OF THE MEDICAL DEVICE MANUFACTURE
Month, Year 10, 2009 @en
Index UDC 539.04
DOI
Abstract Crack-like penny-shaped defect propagation under thermoelastic stresses in constructive elements of medical apparatuses is considered. It is shown that the smallest inner defect under heat treatment may grow jump-like up to the sizes dangerous for further use.

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Keywords Temperature; thermal stresses; penny-shaped crack; stress intensity factor.
References 1. Zhornik V.A., Prokopenko Yu.A., Rybinskaya A.A., Savochka P.A. Ring-shaped crack propagation in a cylinder under nonsteady cooling // High Performance Structures and Materials III. – WIT Press Southampton U.K., Boston USA, 2006, P. 521-526.
2. Sneddon I.N., Tait R.J. The effect of a penny shaped crack on the distribution of stress in a long circular cylinder // Int. J. Engng. Sci. 1963. V. 1, P. 351- 406.
3. Жорник А.И. Термоупругие процессы, происходящие в твердых телах с трещиноподобными дефектами. – Таганрог: Изд-во Таганрогского госпединститута, 2002. – 259 с.

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