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Life Prediction Branch: enabling advanced power and propulsion components
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CARES/Life
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CARES/Life Capabilities

CARES/Life predicts the probability of a brittle material component's failure versus its service life. A summary of the current capabilities of CARES/Life is listed below.

Parameter Estimation:

  • Weibull parameter estimates
  • Fatigue parameter estimates

Life Prediction:

  • Multiaxial stress states
  • Volume flaw & surface flaw analysis
  • PIA, Weibull NSA, and Batdorf models
  • Fast fracture reliability analysis
  • Time-dependent reliability analysis (power law, Paris law, Walker law)
  • Proof testing (PIA and Batdorf theories)


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Curator: Lesley A. Janosik
NASA Official: Anthony M. Calomino
Last Updated: August 9, 2005

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