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The maximum stress of the network depends more strongly on crack size than the failure strain does, yet a network with a crack spanning 80% of its width still reaches 57% of the strength of a flawless network.
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Notation basis: Stated in the text.
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Strength falls more with crack size than strain does, but an 80% crack keeps 57% of the strength
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Theodor Ackbarow et al., “Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant”, PLoS ONE 4, e6015 (2009), doi:10.1371/journal.pone.0006015; Results and Discussion. Scope: Mesoscale alpha-helix network model
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Theodor Ackbarow, Dipanjan Sen, Christian Thaulow, Markus J. Buehler. Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant. PLoS ONE 4, e6015 (2009). doi:10.1371/journal.pone.0006015
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Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant
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Full text of Alpha-Helical Protein Networks Are Self-Protective and Flaw-Tolerant, as read
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Quoted from the full text (cc by licence), paragraph 13 of 2009-helical-networks.txt (sha256 d35d9ea109c79b04ca4f44608c823ee0ab4e43a642147772bb6b89e3fe2d734f), vendored from Europe PMC PMC2696088 by build/resolve.py and checked by build/check.py.
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However, even the system with 80% crack size still reaches 57% of the strength of a perfect structure without any defects.
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Theodor Ackbarow et al. 2009 claim: Strength falls more with crack size than strain does, but an 80% crack keeps 57% of the strength
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