Statistics of Crack Growth in Engine Materials. Volume 2. Spectrum Loading and advanced Techniques

Abstract

A method is developed capable of incorporating the scatter observed in crack growth data into component residual life analyses, such as used in damage-tolerant and retirement-for-cause concepts. Two fracture mechanics-based statistical models for fatigue crack growth damage accumulation in engine materials are proposed. These are based on synergistic fracture mechanics models: a hyperbolic sine crack growth rate function and a linear crack growth rate function of the Paris type.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1984
Accession Number
ADA140920

Entities

People

  • B. J. Schwartz
  • C. G. Annis Jr.
  • G. C. Salivar
  • J. N. Yang

Organizations

  • Pratt & Whitney

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Computational Science
  • Computer Programs
  • Data Science
  • Databases
  • Distribution Curves
  • Distribution Functions
  • Fracture (Mechanics)
  • Information Science
  • Materials Laboratories
  • Mathematical Models
  • Mechanics
  • Normal Distribution
  • Random Variables
  • Regression Analysis
  • Statistical Analysis
  • Statistical Distributions

Readers

  • Structural Health Monitoring of Composite Structures.