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Subcritical Crack Growth of Glass Under Combined Modes I and II Loading
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Description
<jats:p>The glass plate specimens with inclined cracks introduced by Vickers microhardness indentation were subjected to sustained bend stress in water. Subcritical crack growth behaviors were investigated under combined Modes I and II loading. The crack velocity dc/dt can be described as a function of coplanar energy release rate G. The experimental results show that the dc/dt which is initially high decreases and thereafter increases with G. The crack velocity data are found to be influenced by the residual stress and the presence of a lateral crack. Inclined cracks in the increasing region tend to show the crack velocity higher than would be expected from the Mode I results of β = 90 deg on the basis of G as the β between the loading axis and the crack plane decreases. The dc/dt-G curves in this region have a steeper portion at low velocities and thereafter tend to a shallower portion.</jats:p>
Journal
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- Journal of Engineering Materials and Technology
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Journal of Engineering Materials and Technology 110 219-223, 1988-07-01
ASME International
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Details 詳細情報について
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- CRID
- 1873116917468340608
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- ISSN
- 15288889
- 00944289
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- Data Source
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- OpenAIRE