Corpus ID: 55209607

Development of the measurement system for determination of energy dissipation power at fatigue crack tip

  title={Development of the measurement system for determination of energy dissipation power at fatigue crack tip},
  author={A. Prokhorov and A. Vshivkov and A. Iziumova and J. Batsale},
The heat dissipation process caused by propagating fatigue crack in AISE 304 steel was studied. To calibrate the heat dissipation data and to implement the precise measurement of heat flow the infrared camera was combined with original measurement systems based on Pelteir element and potential drop technique. The developed experimental setup allows us to monitor the heat flow, heat sources distribution and crack length during the experiment. As a result of the study we have shown the linear… Expand
2 Citations

Figures from this paper

Determination of dissipated Energy in Fatigue Crack Propagation Experiments with Lock-In Thermography and Heat Flow Measurements
Abstract Lock-in thermography and heat flow measurements with a new developed peltier sensor have been performed during fatigue crack propagation experiments. Lock-in thermography allowsExpand
Combined lock-in thermography and heat flow measurements for analysing heat dissipation during fatigue crack propagation
During fatigue crack propagation experiments with constant force as well as constant stress intensity lock in thermography and heat flow measurements with a new developed peltier sensor have beenExpand


Infrared thermography study of the fatigue crack propagation
The work is devoted to the experimental study of heat dissipation process caused by fatigue crack propagation. To investigate a spatial and time temperature evolution at the crack tip set ofExpand
Theoretical and experimental study of energy storage process in metals under plastic deformation
This work is devoted to the study of defect induced energy dissipation and storage processes in metals. Extending previous results of the research group in Perm, we proposed a statistical descriptionExpand
Plastic work during fatigue crack propagation in a high strength low alloy steel and in 7050 Al-Alloy
Abstract Theoretically and empirically a fatigue crack propagation rate of the form d c d N ∞ (ΔK) 4 μσ 2 U is indicated where μ is the shear modulus, σ is an appropriate measure of the alloy'sExpand
Fatigue crack propagation work coefficient—a material constant giving degree of resistance to fatigue crack growth
Abstract Study on fatigue crack growth in steels was carried out from energetic point of view, i.e. taking account of plastic work around the fatigue crack. Based on the examination of the relationExpand
Scaling laws for fatigue crack
A set of scaling laws has been developed for describing intermittent as well as continuous fatigue crack growth of large cracks in steels in the power-law regime. The proposed scaling laws areExpand
Some comments on hysteretic plastic work and cyclic J-integral associated with fatigue cracking
Abstract The hysteretic plastic work for a unit area of fatigue crack, U , is compared with δ J , the cyclic J integral. In the range of crack propagation rates (10 −8 –10 −4 m/cycle) for A533B andExpand
Nonlinear and structural aspects of transitions from damage to fracture in composites and structures
Abstract Statistical theory of defect evolution allows us to obtain nonlinear kinetic equations for tensor parameter of microcrack density. The laws of spatial damage localization on variousExpand
Elastic-plastic transition in iron: Structural and thermodynamic features
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 beExpand
Thermodynamics of translational crack layer propagation
AbstractRecognizing that fracture in many materials propagates as a crack preceded by intensive damage, a theory is presented to model the crack and the preceding damage as a single thermodynamicExpand
Processing of temperature field in chemical microreactors with infrared thermography
This work is devoted to the first analysis of temperature fields related to chemical microfluidic reactors. The heat transport around and inside a microchannel is both convective and diffusive withExpand