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Information × Registration Number 0203U006568, 0100U004865 , R & D reports Title Methodology of the fatigue fracture study of the materials type of ceramics, composites, high-strength steels and cast irons on the macrocrack initiation stage popup.stage_title Head Ostash O. P., Registration Date 12-06-2003 Organization Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine popup.description2 The concept of two parametrical descriptions of the fatigue cracks initiation and propagation process at stress and strain approaches and also the technique of definition of the period of the cracks initiation at stress concentrators are developed. Recommendations for increasing of the fatigue crack resistance of materials (cast irons, graphitic steels and thermostrained cermets) are suggested. The principles of the threshold characteristics formation of the corrosion fatigue crack resistance in long-term exploitation object are analyzed. The methods and equipments of the nondestructive testing are proposed Product Description popup.authors popup.nrat_date 2020-04-02 Close