1. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv László TÓTH, Nóra SZŰCS Szabolcs SZÁVAI Handbook of the Crack Propagation sensitivity Index

2. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv The Basic Terms of Technical-Economic Life SafetyReliabilityRiskCosts Level of

3. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv At a given technical level !!

4. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Where We come from? What We Are? Where we are going? Paul GAUGUIN, 1897 (Boston, Museum of Fine Arts)

5. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv The Driving Forces of Development

6. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv

7. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv NDE Background 1950 2006

8. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Crack Propagation Sensitivity Index Concept K, J, G Crack Size Crack Growth Resistance CPSI Safety Factor UNIT K-a dK/da

9. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Crack size Component 1 Component 2 K Ic Stress Intensity Factor Required NDE reliability

10. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv loading conditions, flaw location, flaw geometry CPSI= f K= .f(a,geometry) CPSI=dK/da= .{[f(a,geometry)]/da} CPSI  

11. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Example 1 CYLINDER UNDER INTERNAL PRESSURE WITH AXIAL CRACK Through-Thickness Crack

12. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Derivate Functions,

13. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Example 2 SPHERICAL SHELL UNDER INTERNAL PRESSURE WITH CRACK Embedded Elliptical Crack (Centred)

14. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv

15. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Derivate Functions

16. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv

17. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv More illustration

18. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv

19. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv

20. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv The derivate functions are ready yet: For 74 cases including: Plates Pipes and Cylinders Spherical sells and Spheres Round bars and bolts Component with hole The software for calculating the CPSI=dK/da for 12 cases including: Plates Pipes and Cylinders

21. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv CONCLUSIONS The integrity of the structures can be evaluated at a given technical level The CPSI concept is the only tool to link the safety requirement of a structure and the NDE requirements Introducing the CPSI concept a COST EFFECTIVE NDE can be achieved Collection of the K-solutions, i.e the K vs. crack geometry (size) in a handbook Preparation of their derivative functions

22. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Further Tasks Preparation of more derivative function Preparation of a guideline for the given type of component (tubes, vessels, turbine blades, etc) Optimization of NDE (method, personnel, equipment, etc.)

23. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Zoltán Bay (1900 - 1992) He measured the distance between the Earth and the Moon using micro-wave technology (1946), Radar Astronomy Re-definition of the unit of the distance, meter (1965- 1983)

24. 2 nd Hungarian-Ukrainian Joint Conference on SAFETY-RELIABILITY AND RISK OF ENGINEERING PLANTS AND COMPONENTS September 19-21, 2007. Kyiv Thank you for your kind attention