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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]
ccPALIN-LUC, Thierry

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

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Elastic–Plastic Transition in Iron: Structural and Thermodynamic Features 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; NAIMARK, O.B; ccSAINTIER, Nicolas; ccPALIN-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 ...
  • 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; ccPALIN-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; ccSAINTIER, Nicolas; ccPALIN-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 ...
  • Fatigue crack initiation and growth in a 35CrMo4 steel investigated by infrared thermography 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; ccPALIN-LUC, Thierry; ccSAINTIER, 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 ...
  • Theoretical analysis, infrared and structural investigations of energy dissipation in metals under cyclic loading 
    Article dans une revue avec comité de lecture
    PLEKHOV, O.A; ccSAINTIER, Nicolas; ccPALIN-LUC, Thierry; UVAROV, S. V.; NAIMARK, O.B (Elsevier, 2007)
    The infrared and structural investigations of energy dissipation processes in metals subjected to cyclic loading have given impetus to the development of a new thermodynamic model with the capability of describing the ...

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