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Information × Registration Number 0209U002655, 0108U004272 , R & D reports Title Elaboration of the methodology for determination of local endurance destruction deformation parameters by means of electronic speckle pattern interferometry and speckle correlation popup.stage_title Head Ostash Orest Petrovych, Registration Date 11-03-2009 Organization Karpenko Physico-Mechanical Institute of the National Academy of Science of Ukraine popup.description2 The interferometry method of the image construction of the metal sample deformed surface profile is developed and the technique of a definition of a longitudinal displacements field of a surface near the stress concentrator after cyclic loading is proposed. It has allowed to find out a fatigue process zone near the test specimens notch tip and to determine its geometrical parameters. Product Description popup.authors popup.nrat_date 2020-04-02 Close