Cohesive interface simulations of indentation cracking as a fracture toughness measurement method for brittle materials

Acta Materialia

Volumn 60, Issue 15, 2012, Pages 5448-5467

  Lee, J H ^a   Gao, Y F ^a,b   Johanns, K E ^a   Pharr, G M ^a,b  

^a University of Tennessee   (United States)

^b OAK RIDGE NATIONAL LABORATORY   (United States)

Author keywords

Cohesive interface model; Four sided pyramidal indentation; Indentation cracking; Lawn Evans Marshall model

Indexed keywords

ANNULAR CRACK; APPROXIMATE ANALYSIS; BRITTLE SOLIDS; CO-EVOLUTION; COHESIVE INTERFACE; COMPLEX STRESS; CONTACT CENTERS; CONTACT SIZE; CRACK LENGTH; CRACK MORPHOLOGY; CRACK SIZES; CRACK SYSTEMS; DRIVING FORCES; EVALUATION METHOD; FINITE ELEMENT MODELS; FRACTURE TOUGHNESS MEASUREMENTS; INDENTATION FRACTURE; INDENTATION LOAD; INDENTER ANGLE; INDENTERS; INITIATION AND PROPAGATION; MATERIAL HARDNESS; MATERIAL PARAMETER; MATERIAL PROPERTY; MATERIAL TOUGHNESS; NON-TRIVIAL TASKS; NUMERICAL PREDICTIONS; POISSON'S RATIO; QUANTITATIVE EVALUATION; RESIDUAL STRESS FIELDS; SCALING RELATIONSHIPS; SHORT CRACKS; STRESS FIELD;

BRITTLENESS; CRACK PROPAGATION; CRACKS; FRACTURE TOUGHNESS; HARDNESS; HEAT AFFECTED ZONE; MORPHOLOGY; NUMERICAL METHODS; STRESSES;

INTERFACES (MATERIALS);

EID: 84864821485     PISSN: 13596454     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.actamat.2012.07.011     Document Type: Article

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