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Ring-Core, hole-drilling method, residual stresses.


Residual stress evaluation in constructions and mechanical parts is a necessary task in every modern industrial factory. Right evaluated changes in lifetime and loading conditions could save amount of money and increase the human safety. The Department of Applied Mechanics and Mechatronics has a long tradition in developing and practical usage of semidestructive methods for determining residual stresses. Especially by using hole-drilling method and recently also Ring-Core method. Main characteristics and comparison of both methods with emphasis on Ring-Core analysis are discussed in this article.


Acta Mechanica Slovaca. Volume 17, Issue 4, Pages 64 – 70, ISSN 1335-2393


  New Method of Residual Stress Evaluation and its Advantages in Comparison with More Common Hole-drilling Method


[1] F. Trebuňa, F. Šimčák, Kvantifikácia zvyškových napätí tenzometrickýmu metódami, 1.vyd. Košice, TU, 2005. 134 p. ISBN 80-8073-227-2.

[2] Hottinger Baldwin Messtechnik GmbH – meracia technika, [online], http://www.hbm.com

[3] ASTM International Designation E 837-08: Standard Test Method for Determining Residual Stresses by the Hole-Drilling Strain Gauge Method, United States, 2008, 17p.
[4] Masláková, K., 2012. Identification and quantification of influence of residual stresses on technical life of mechanical elements and systems by using Ring-core method, dissertation thesis, Košice.
[5] Valentini, E., Benincasa, A., Bertelli, A.: An Automatic System for Measuring ResidualStresses by the Ring-Core Method, In 40th National Convention, Palermo, Italy,  September 2011.

[6] A. Civín, Komplexní teoretická analýza metody sloupku pro zjišťování zbytkových napětí, Brno: Vysoké učení technické v Brně, Fakulta strojního inženýrství, 2012. 130p.

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