SOME PROBLEMS IN PHENOMENOLOGICAL FRACTURE MECHANICS Open PDF Document Details Document Type Technical Report Publication Date Mar 01, 1963 Accession Number AD0402126 Entities People A. M. Freudenthal M. P. Bieniek Organizations Columbia University Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Air Force Cohesion Crack Propagation Creep Dynamics Energy Equations Fracture (Mechanics) Leading Edges Materials Mechanical Properties Mechanics New York Potential Energy Resistance Stresses Surface Energy