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  • Articles  (2)
  • fatigue life  (2)
  • 2010-2014
  • 1980-1984  (2)
  • 1975-1979
  • 1950-1954
  • 1980  (2)
  • Electrical Engineering, Measurement and Control Technology  (2)
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  • Articles  (2)
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Years
  • 2010-2014
  • 1980-1984  (2)
  • 1975-1979
  • 1950-1954
Year
  • 1980  (2)
Topic
  • Electrical Engineering, Measurement and Control Technology  (2)
  • Mathematics  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Fatigue lifetime prediction with the aid of SAW NDE (1980)
    Springer
    Journal of nondestructive evaluation 1 (1980), S. 123-136 
    Details
    ISSN: 1573-4862
    Keywords: fatigue life ; acoustic surface waves ; NDE ; ultrasonics ; cracks
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Mathematics
    Notes: Abstract The present studies concentrated on predicting the remaining fatigue life for single fatigue cracks in the Paris regime of macrocrack propagation. Acoustic surface waves were used to interrogate the crack during cyclic fatigue. The inversion of the obtained scattering data provided crack depth and crack length as a function of the number of cycles applied in tension-tension fatigue. Auxiliary experiments were conducted to study the acoustic response of the crack to tensile and compressive loads, thought to open and close the crack. The technique may allow for new insights into the physics of the “crack closure” effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00566120
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fracture mechanics transfer function for two-dimensional noncircular flaws (1980)
    Springer
    Journal of nondestructive evaluation 1 (1980), S. 201-206 
    Details
    ISSN: 1573-4862
    Keywords: fracture mechanics ; noncircular crack ; fatigue life ; NDE
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Mathematics
    Notes: Abstract A transfer function that converts an irregularly shaped two-dimensional crack into an equivalent circular crack of equal propagation lifetime is proposed. The methodology extends the exact elliptical to circular crack transfer function to other noncircular cracks with geometries that slightly deviate from the elliptical. Results for rectangular, symmetric dumbbell, and asymmetric dumbbell cracks are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00567092
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    Paper (German National Licenses)
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