A reconciliation of dynamic crack velocity and Rayleigh wave speed in isotropic brittle solids
dc.contributor.author | Washabaugh, Peter D. | en_US |
dc.contributor.author | Knauss, W. G. | en_US |
dc.date.accessioned | 2006-09-08T20:42:47Z | |
dc.date.available | 2006-09-08T20:42:47Z | |
dc.date.issued | 1994-01 | en_US |
dc.identifier.citation | Washabaugh, P. D.; Knauss, W. G.; (1994). "A reconciliation of dynamic crack velocity and Rayleigh wave speed in isotropic brittle solids." International Journal of Fracture 65(2): 97-114. <http://hdl.handle.net/2027.42/42778> | en_US |
dc.identifier.issn | 0376-9429 | en_US |
dc.identifier.issn | 1573-2673 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/42778 | |
dc.description.abstract | Following earlier observations of multiple micro-crack formation accompanying crack propagation under dynamic conditions, the question regarding the discrepancy between the ‘theoretically anticipated’ maximal crack (Rayleigh wave) speed and those observed typically in amorphous, isotropic solids is examined experimentally. It is shown that if the production of these multiple micro-cracks ahead of the main fracture is suppressed by fabricating a material possessing a thin uniform region of vanishing intrinsic (molecular/atomic) material strength, the crack speed is materially increased to the point of approaching the Rayleigh wave speed. Moreover, it is also shown that the presence of small discreet flaws of sufficient spatial density similarly ‘weakens’ the material to produce fracture speeds comparable to the Rayleigh wave speed. One deduces, therefore, that for a single crack front the linearized theory of elastodynamics correctly predicts the dynamic crack propagation behavior of a solid with sufficiently low material strength. | en_US |
dc.format.extent | 3244059 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Kluwer Academic Publishers; Springer Science+Business Media | en_US |
dc.subject.other | Physics | en_US |
dc.subject.other | Characterization and Evaluation Materials | en_US |
dc.subject.other | Mechanics | en_US |
dc.subject.other | Mechanical Engineering | en_US |
dc.subject.other | Automotive and Aerospace Engineering | en_US |
dc.subject.other | Civil Engineering | en_US |
dc.title | A reconciliation of dynamic crack velocity and Rayleigh wave speed in isotropic brittle solids | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Aerospace Engineering, University of Michigan, 48109-2118, Ann Arbor, Michigan, USA | en_US |
dc.contributor.affiliationother | Graduate Aeronautics Laboratories, California Institute of Technology, 91125, Pasadena, California, USA | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/42778/1/10704_2004_Article_BF00032282.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/BF00032282 | en_US |
dc.identifier.source | International Journal of Fracture | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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