CORRELATION OF LABORATORY TESTS WITH FULL SCALE SHIP PLATE FRACTURE TESTS: ANALYSIS OF TRUE-STRESS TRUE-STRAIN DATA ON PROJECT STEELS.
Abstract
The results of a study of the flow and fracture strengths of the project steels was are considered. It appears that the flow- and fracture- strength concept of failure proposed by Ludwik is not adequate to account for the results obtained. The flow properties of the steels was studied as a function of temperature and prestrain. The test results were found to be adequately described by the expression, sigma = sigma sub o delta to the n power, in which sigma and delta are respectively true stress and natural strain, while sigma sub o and n are constants. Sigma sub o has been found to vary regularly with temperature while n has been found to undergo a transition for most of the steels at sufficiently low temperatures. Both sigma sub o and n appear to have fundamental significance and should ultimately be correlated in some manner with the engineering properties of the steels. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 21, 1950
- Accession Number
- AD0635766
Entities
People
- E. P. Klier
- F. C. Wagner
- J. O. Mack
- M. Gensamer
Organizations
- Pennsylvania State University