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Scaling invariance of fatigue crack growth in gigacycle loading regime

Article dans une revue avec comité de lecture
Auteur
OBORIN, V.
249854 Institute of Continuous Media Mechanics of the RAS [ICMM]
BANNIKOV, M.V.
249854 Institute of Continuous Media Mechanics of the RAS [ICMM]
NAIMARK, O.B
249854 Institute of Continuous Media Mechanics of the RAS [ICMM]
PALIN-LUC, Thierry
164351 Institut de Mécanique et d'Ingénierie de Bordeaux [I2M]

URI
http://hdl.handle.net/10985/10516
DOI
10.1134/S106378501011026X
Date
2010
Journal
Pis'ma v Zhurnal Tekhnicheskoi Fiziki / Technical Physics Letters

Résumé

The role of the collective behavior of defect ensembles at the crack tip and the laws of fatigue crack propagation in R4 high-strength steel have been studied under conditions of symmetric tension-compression gigacycle loading at 20 kHz. At every stage of the fatigue crack growth, replicas from the sample side surface were taken and studied by the method of three-dimensional relief profilometry (using NewView interferometer profilometer) so as to study the scaling-invariant laws of defect-related structure evolution.

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  • Institut de Mécanique et d’Ingénierie de Bordeaux (I2M)

Documents liés

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  • Experimental and Theoretical Study of Multiscale Damage-Failure Transition in Very High Cycle Fatigue 
    Article dans une revue avec comité de lecture
    BETEKHTIN, V.I.; KADOMTSEV, A.G.; NARYKOVA, M.V.; BANNIKOV, M.V.; ABAIMOV, S.G.; AKHATOV, I. S.; PALIN-LUC, Thierry; NAIMARK, O.B (Springer, 2017)
    Multiscale mechanisms of failure of metals (Armco iron, titanium, aluminum) are studied for high cycle and very high cycle fatigue. By correlating with the results of structural studies, a theoretical approach is developed ...
  • Scaling Invariance of Fatigue Crack Growth in Gigacycle Loading Regime 
    Article dans une revue avec comité de lecture
    OBORIN, V.; BANNIKOV, M.V.; NAIMARK, O.B; PALIN-LUC, Thierry (MAIK Nauka/Interperiodica (МАИК Наука/Интерпериодика), 2010)
    The role of the collective behavior of defect ensembles at the crack tip and the laws of fatigue crack propagation in R4 high strength steel have been studied under conditions of symmetric tension–compression gigacycle ...
  • Experimental Investigations of Anomalous Energy Absorption in Nanocrystalline Titanium under Cyclic Loading Conditions 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; NAIMARK, O.B; VALIEV, R.Z; SEMENOVA, I.P; SAINTIER, Nicolas; PALIN-LUC, Thierry (MAIK Nauka/Interperiodica (МАИК Наука/Интерпериодика), 2008)
    An infrared thermographic scanning technique has been used to study the energy absorption and dissipation under cyclic loading conditions in the nanostructural bulk titanium obtained by severe plastic deformation of an ...
  • Elastic–Plastic Transition in Iron: Structural and Thermodynamic Features 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; NAIMARK, O.B; SAINTIER, Nicolas; PALIN-LUC, Thierry (MAIK Nauka/Interperiodica (МАИК Наука/Интерпериодика), 2009)
    The structural and thermodynamic features of the elastic–plastic transition in armco iron and its plastic deformation are studied. Energy storage in iron is shown to have a nonlinear character and be accompanied by wavelike ...
  • Fatigue crack initiation and growth in a 35CrMo4 steel investigated by infrared thermography 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; PALIN-LUC, Thierry; SAINTIER, Nicolas; UVAROV, S. V.; NAIMARK, O.B (Wiley-Blackwell, 2005)
    The present work is devoted to the investigation of fatigue crack initiation and growth in middle-cycle fatigue (∼105 cycles). Smooth specimens made of 35CrMo4 quenched and tempered steel were loaded in fully reversed plane ...

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