Studies on the Brittle -Ductile Transition in Silicon
Ferney, Brook David
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https://hdl.handle.net/2142/87694
Description
Title
Studies on the Brittle -Ductile Transition in Silicon
Author(s)
Ferney, Brook David
Issue Date
2001
Doctoral Committee Chair(s)
Hsia, K. Jimmy
Department of Study
Theoretical and Applied Mechanics
Discipline
Theoretical and Applied Mechanics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Materials Science
Language
eng
Abstract
After a specimen geometry that ensures straight crack growth was found for the experiment described above, research on crack turning was continued. As a hot glass plate is dipped into cool water, a pre-crack may grow along many different paths depending upon the testing parameters. In silicon the crack favors the cleavage planes. A cohesive-element model modified for thermally-driven cracks reproduced many of the experimental crack morphologies.
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