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Keywords: plasticity
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2013, 135(2): 022101.
Paper No: GTP-12-1328
Published Online: January 8, 2013
... a crack straight through the overload plastic zone, as shown by the dashed line in Fig. 10( b ) . However, because of the very rough fatigue-crack surface and slip-band formation at the crack front during the overload, the crack may grow around the overload plastic zone, as depicted in Fig. 10( b...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032501.
Published Online: December 28, 2011
...James C. Newman, Jr.; Balkrishna S. Annigeri Plasticity effects and crack-closure modeling of small fatigue cracks were used on a Ti-6Al-4V alloy to calculate fatigue lives under various constant-amplitude loading conditions (negative to positive stress ratios, R) on notched and un-notched...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082105.
Published Online: May 20, 2010
...Paul S. Prevéy; N. Jayaraman; Ravi A. Ravindranath; Michael Shepard Low plasticity burnishing (LPB) is now established as a surface enhancement technology capable of introducing through-thickness compressive residual stresses in the edges of gas turbine engine blades and vanes to mitigate foreign...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2009, 131(4): 042903.
Published Online: April 15, 2009
... to the crack. Anisotropic elasticity and crystal plasticity constitutive models are employed at the grain size scale. It is shown that the standard deviation of the crack tip opening displacement decreases from about 20% for a short surface crack embedded within a single grain to about 7% for a surface crack...