Integration of Analytical Procedures for Fracture-Safe Design of Metal Structures
NAVAL RESEARCH LAB WASHINGTON DC
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An interpretive review is presented of the development of scientific knowledge of fracture processes and of the technological application of this information to the evolution of rational engineering principles for fracture- safe design. Discussions of mechanical, metallurgical, and structural aspects of the subject emphasize that engineering design practices must involve detailed consideration of all factors. The evolution of modern fracture-safe design practices began in 1950. The results of the earlier research provided a base from which definitive studies were evolved. The development of significant fracture-characterization test methods and of procedures for their analytical interpretation paced the rate of progress during this time period. A description is provided of fracture tests which are suitable for evolving data-bank references of metal properties, required for general engineering practice of fracture-safe design. Major emphasis is placed on procedures based on the use of analysis diagrams, which provide for cross-referencing between structural factors and metal properties. The primary aim of the text is to present the case for the utilization of modern practices in the design of engineering structures.
- Structural Engineering and Building Technology