SYMPOSIA PAPER Published: 01 January 1988
STP23254S

Precracking and Computerized Single-Specimen Determination for Irradiated Three-Point Bend Specimens

Source

An experimental procedure is described for precracking and computerized single-specimen JIc testing of irradiated three-point bend specimens. The specimens were automatically precracked in cantilever bending at constant deflection. The JIc values determined by the single-specimen unloading compliance technique were found to be in close agreement with multiple-specimen values. The JIc testing system comprised a three-point bend fixture and a furnace mounted on a screw-driven Instron testing machine, a Hewlett-Packard computer, and a data acquisition system. This procedure was found to be successful and cost effective in precracking and JIc testing of the irradiated specimens.

Author Information

Haggag, FM
Oak Ridge National Laboratory, Oak Ridge, TN
Richardson, AK
Idaho National Engineering Laboratory, Idaho Falls, ID
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Details
Developed by Committee: E08
Pages: 390–404
DOI: 10.1520/STP23254S
ISBN-EB: 978-0-8031-5036-2
ISBN-13: 978-0-8031-0949-0