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10 658 (0,136s)

Result

Bonded Crack Retarders: A review

, a problem with fast crack propagation arose from utilizing the integral airframe structures. This paper evaluates the effectiveness of bonded crack retarders, a previously validated concept to stop or slow-down fatigue

Aerospace engineering

  • 2019
  • D
Result

Influence of crack retardation on fatigue crack propagation in steels for railway axles

of fatigue failure. For reason that possible crack could not be detected by non-destructive testing method an existing crack in the railway axle must be considered unaccepted consequences. This paper deals with retardation...

JL - Únava materiálu a lomová mechanika

  • 2014
  • D
  • Link
Result

Application of indentation as a retardation mechanism for fatigue crack growth

applied in front of a crack tip on fatigue crack growth retardation. Many experiments the expected crack growth retardation and lifetime enhancement. The impact energy, crack length and load leve...

JL - Únava materiálu a lomová mechanika

  • 2012
  • Jx
  • Link
Result

Bonded and additively manufactured crack retarders: A comparative study of damage tolerance properties

crack retarders to increase the fatigue life of integral airframe structure. The 2024-T351 aluminum M(T) specimen reinforced with crack retarders made of AISI 301 consolidated AISI 301 crack retarder<...

Mechanical engineering

  • 2023
  • Jimp
  • Link
Result

Bonded and additively manufactured crack retarders: A comparative study of tolerance

crack retarders to increase the fatigue life of integral airframe structure. The 2024-T351 aluminum M(T) specimen reinforced with crack retarders made of AISI 301 consolidated AISI 301 crack retarder<...

Materials engineering

  • 2023
  • Jimp
  • Link
Result

A coparison of the crack growth models implemented in AFGROW software

The report presents crack growth calculations for specimen of different thickness which were made from 7475-T7351 alloy produced by ALCOA and tested under SQ_0060 sequence with variable load amplitudes. Crack growth curves evaluated...

Aerospace engineering

  • 2016
  • O
  • Link
Result

Stress state factor evaluation based on a fractographic analysis for use in the crack growth FASTRAN retardation model of the AFGROW computing code

The FASTRAN crack growth retardation model uses stress state descriptors to consider the local stress state ahead of the crack tip. Using the FASTRAN model implemented in the AFGROW computing code, the descriptor is input i...

JL - Únava materiálu a lomová mechanika

  • 2013
  • Jx
  • Link
Result

Setting parameters of selected computational models of fatigue crack propagation for parts from the plate th. 80 mm from alloy 2124-T851 manufactured by KUMZ

The report presents crack growth calculations for specimen of different thickness which were made from 2124-T851 alloy produced by KUMZ and tested under SQ_0058 sequence with variable load amplitudes. Crack growth curves evaluated b...

Aerospace engineering

  • 2017
  • O
  • Link
Result

Effect fracture resistance on retardation of crack growth

The prediction of fatigue crack growth behaviour is an important part of damage retardation model. This model is implemented in the AFGROW code, which allows different retardation models to be compared. The primary advantag...

Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

  • 2015
  • Jimp
  • Link
Result

Fatigue crack growth in a 7075 al-alloy with evaluation of overloading effects

Measurement of fatigue crack growth (FCG) in an Al 7075-T7351 alloy and verify DCPD (direct current potential drop) method being used for the crack length measurement. An investigation of effects of overloads on fatigue crack

JL - Únava materiálu a lomová mechanika

  • 2012
  • Jx
  • Link
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