Publication detail

Simple Method for Estimation of Fatigue Loading and Useful Life from Fracture Morphology

POKLUDA, J. ŠANDERA, P.

Czech title

Jednoduchá metoda pro určení únavového namáhánía zbytkové životnosti z morphologie lomové plochy

English title

Simple Method for Estimation of Fatigue Loading and Useful Life from Fracture Morphology

Type

conference paper

Language

en

Original abstract

The paper presents a new method for a retro-estimation of the stress amplitude, the cyclic ratio and the number of cycles to failure from the fracture morphology of failed structural components. The method is based on a previously proposed procedure using a new relation enabling to describe the whole range of the long crack growth. The method is suitable for quantitative assessment of fatigue loading parameters and the number of cycles spent during the stable propagation. The application possibilities of the method are demonstrated in a case study concerning the fatigue failure of a compressor blade. The method can be also applied in case where a stationary random loading is to be expected. A special software package was also developed for university courses in applied fracture mechanics.

Czech abstract

Jednoduchá metoda pro určení únavového namáhánía zbytkové životnosti z morphologie lomové plochy

English abstract

The paper presents a new method for a retro-estimation of the stress amplitude, the cyclic ratio and the number of cycles to failure from the fracture morphology of failed structural components. The method is based on a previously proposed procedure using a new relation enabling to describe the whole range of the long crack growth. The method is suitable for quantitative assessment of fatigue loading parameters and the number of cycles spent during the stable propagation. The application possibilities of the method are demonstrated in a case study concerning the fatigue failure of a compressor blade. The method can be also applied in case where a stationary random loading is to be expected. A special software package was also developed for university courses in applied fracture mechanics.

Keywords in English

fracture morphology, failed structural components, quantitative assessment of fatigue loading parameters

RIV year

2005

Released

01.01.2005

Publisher

Centro Congressi Internazionale

Location

Torino

Book

International Congres on Fracture (ICF 11)

Pages from–to

5548_1–5548_4

Pages count

4

BIBTEX


@inproceedings{BUT16261,
  author="Jaroslav {Pokluda} and Pavel {Šandera},
  title="Simple Method for Estimation of Fatigue Loading and Useful Life from Fracture Morphology",
  booktitle="International Congres on Fracture (ICF 11)",
  year="2005",
  month="January",
  pages="5548_1--5548_4",
  publisher="Centro Congressi Internazionale",
  address="Torino"
}