Heterogeneity and degradation in brittle materials

F. F. Tang, C. S. Desai, G. Frantziskonis

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The concept of state of degradation is employed in order to consider the initial material (structure) inhomogeneity. Then, degradation and its patterning in simulated rock specimens subjected to external load are modeled numerically by implementing the theory for damage and surface degradation with incorporation of the initial state. The theoretical results are compared with experimental observations obtained through ultrasonic scanning tests.

Original languageEnglish (US)
Pages (from-to)779-796
Number of pages18
JournalEngineering Fracture Mechanics
Issue number5
StatePublished - Nov 1992

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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