AN EVALUATION OF CURRENT KNOWLEDGE OF THE MECHANICS OF BRITTLE FRACTURE
An explanation is given of the trend of results found in the many static model tests based on the concepts and some solutions of the mathematical theory of plasticity. Transition temperature, size effect, initiation and propagation of cracks are discussed qualitatively and on dimensional grounds. The conclusion is reached that future model tests should be made at the operating temperatures of the prototype and at stress levels encountered in practice if fundamental information is to be obtained. Load, energy, or appearance criteria for static or impact tests appear to be interpretable only in terms of such basic tests or information from the prototype. Each new material or variant of an existing one should be subjected to the basic tests before an acceptance test standard can be relied upon.
- Papers and discussions presented at the Conference on Brittle Fracture Mechanics held at MIT, 15-16 October 1953.
Brown UniversityProvidence, RI United States 02912
Ship Structure CommitteeNational Academy of Science, 2101 Constitution Avenue, NW
Washington, DC United States 20418
- Drucker, D C
- Publication Date: 1954-5-17
- Features: References;
- Pagination: 239 p.
- TRT Terms: Cracking; Fracture mechanics; Low temperature; Low temperature materials; Materials tests; Notch tests; Plasticity; Steel
- Identifier Terms: Ship Structure Committee
- Uncontrolled Terms: Crack initiation; Crack propagation
- Old TRIS Terms: Steel testing
- Subject Areas: Marine Transportation; Materials;
- Accession Number: 00331012
- Record Type: Publication
- Source Agency: Ship Structure Committee
- Report/Paper Numbers: SSC- 69
- Contract Numbers: NObs-50148
- Files: TRIS
- Created Date: May 21 1981 12:00AM