EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||6|
|Section||Residual Stress Analysis|
|Published online||10 June 2010|
Evaluation of Residual Stresses using Ring Core Method
ŠKODA VÝZKUM s.r.o., Dynamic testing laboratory,
2 ŠKODA VÝZKUM s.r.o., Computer modeling dept., Tylova 1/57, 31600 Plzeň, Czech Republic
3 Technical University in Prague, Mechanical Faculty, Technická 4, 16607 Prague, Czech Republic
a e-mail : email@example.com
The method for measuring residual stresses using ring-core method is described. Basic relations are given for residual stress measurement along the specimen depth and simplified method is described for average residual stress estimation in the drilled layer for known principal stress directions. The estimation of calculated coefficients using FEM is described. Comparison of method sensitivity is made with hole-drilling method. The device for method application is described and an example of experiment is introduced. The accuracy of method is discussed. The influence of strain gauge rosette misalignment to the evaluated residual stresses is performed using FEM.
© Owned by the authors, published by EDP Sciences, 2010
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