SYMPOSIA PAPER Published: 01 January 1993
STP24301S

Near-Tip Behavior of Particulate Composite Material Containing Cracks at Ambient and Elevated Temperatures

Source

After briefly reviewing the results of a series of constant head rate tests on center-cracked “biaxial” test specimens of a particulate composite at room temperature, a second test series utilizing edge-cracked “biaxial” specimens of a particulate composite with a different particulate gradation at ambient and elevated temperatures and low and moderately high head rates is discussed. Results show different near-tip mechanisms for crack opening and growth for the two materials and, while changes in head rate and temperature produced quantitative differences in near-tip fields of displacement and strain for both materials, they did not affect the basic near-tip mechanisms of each material qualitatively.

Author Information

Smith, CW
Virginia Polytechnic Institute and State University, Blacksburg, VA
Wang, L
Virginia Polytechnic Institute and State University, Blacksburg, VA
Mouille, H
Virginia Polytechnic Institute and State University, Blacksburg, VA
Liu, C-T
Phillips Laboratory (AFSC), CA
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Details
Developed by Committee: E08
Pages: 775–787
DOI: 10.1520/STP24301S
ISBN-EB: 978-0-8031-5241-0
ISBN-13: 978-0-8031-1867-6