Materials pp 225-232 | Cite as

Selected Residual Effects Upon Temperature Transitions

  • Yosef Katz
  • Moshe Kupiec
  • Arie Bussiba
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 38)


The present study summarizes some recent phenomenological investigations into the nature of interactive effects as originated by residuals while wandering along a temperature scale. Specifically, the low temperature regime is considered with additional complexities due to near crack-tip stress and deformation field modifications. Generally, a global physical view is attempted in a fracture mechanics framework concerning two levels;
  1. (i)

    Developments of some fundamental aspects associated with crack tip shielding potential, phase stability and damage assessments.

  2. (ii)

    Considerations as related to interactive effects and their reflection on the intrinsic mechanical properties at low temperatures.

For example, low temperature might affect the structural stability with implications on various properties including environmental susceptibility. In this context, load interactions at the higher shelf might cause significant modifications of the nominal fracture resistance values as obtained at low temperatures. As such, intrinsic properties may be masked by extrinsic influences.

Accordingly, the current investigation objectives are centered on illuminating some of these issues by following experimental findings evaluation. The experimental initiative in stationary and subcritical growing cracks include load interaction effects mainly in BCC systems and environmental interactions in metastable austenitic stainless steels.

More refined views on residual or contact stress effects, process zone formation and cyclic crack growth transients are proposed. In addition, environmental interactions are described, expressing some phase stability concerns. Finally, the role of the time factor via thermal activation approach is discussed with emphasis to low temperature material performance assessments.


Acoustic Emission Process Zone Fatigue Crack Propagation Rate Residual Field Striation Spacing 


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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Yosef Katz
    • 1
  • Moshe Kupiec
    • 1
  • Arie Bussiba
    • 1
  1. 1.Nuclear Research Centre — NegevBeer-ShevaIsrael

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