SYMPOSIA PAPER Published: 01 January 1983
STP36775S

Fracture of Circumferentially Cracked Type 304 Stainless Steel Pipes Under Dynamic Loading

Source

A program of experimentation and analysis aimed at determining fracture instability in circumferentially cracked Type 304 stainless steel pipes in seismic or water-hammer loadings is described. Experimental work on center-cracked tension panels revealed that dynamic loading does not affect the net-section stress criterion evolved previously for Type 304 stainless steel. Full-scale tests on 100-mm-diameter (4 in.) pipes subjected to a dynamic load nevertheless indicate that a margin of safety exists beyond that predicted by the application of the net-section stress criterion. It is concluded that the finite duration of a dynamic loading together with the system compliance which allows stable crack growth beyond maximum load is primarily responsible. A J-based plastic fracture mechanics assessment based upon rate-dependent mechanical and fracture properties of the material was made and found to be consistent with this hypothesis.

Author Information

Wilkowski, GM
Battelle Columbus Laboratories, Columbus, Ohio
Ahmad, J
Battelle Columbus Laboratories, Columbus, Ohio
Zahoor, A
Battelle Columbus Laboratories, Columbus, Ohio
Marschall, CW
Battelle Columbus Laboratories, Columbus, Ohio
Broek, D
Battelle Columbus Laboratories, Columbus, Ohio
Abou-Sayed, IS
Battelle Columbus Laboratories, Columbus, Ohio
Kanninen, MF
Battelle Columbus Laboratories, Columbus, Ohio
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Details
Developed by Committee: E08
Pages: 331–350
DOI: 10.1520/STP36775S
ISBN-EB: 978-0-8031-4870-3
ISBN-13: 978-0-8031-0726-7