SYSTEMATIZATION OF THE APPROACHES TO IMPROVE THE FATIGUE LIFE OT METAL STRUCTURAL COMPONENTS WITH HOLES PART I: MACRO-APPROACH

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  • TITLE: SYSTEMATIZATION OF THE APPROACHES TO IMPROVE THE FATIGUE LIFE OT METAL STRUCTURAL COMPONENTS WITH HOLES PART I: MACRO-APPROACH
  • AUTHOR(S): G. V. Duncheva
  • ABSTRACT: In this study a new slassification of the basic approaches to increase the fatigue life of the metal structural components with openings is grounded. These approaches are based on the concept of “processing through plastic deformation”. In the first part of the study the macro-approach is theoretically developed. A detailed classification of the methods realizing the macro-approach is made using the morphological method. On the basis of deep analysis of the existings methods two innovative methods for cold hole expansion have been developed.
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