A Simple Model of Dynamic Cleavage Producing Constant Speed Crack Propagation in a Sample of Finite Width | Zendy

C. Atkinson | Zendy

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A Simple Model of Dynamic Cleavage Producing Constant Speed Crack Propagation in a Sample of Finite Width

Author(s) -

C. Atkinson

Publication year - 2016

Publication title -

siam journal on applied mathematics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.954

H-Index - 99

eISSN - 1095-712X

pISSN - 0036-1399

DOI - 10.1137/15m104298x

Subject(s) - cleavage (geology) , constant (computer programming) , fracture mechanics , shear (geology) , mechanics , materials science , deformation (meteorology) , stress intensity factor , fracture (geology) , composite material , physics , computer science , programming language

A simple model of dynamic cleavage under longitudinal shear deformation is analyzed as an attempt to understand how ancient lapidaries might have produced smooth cleaved surfaces. Attention is concentrated on the time signature of the load applied to the specimen in order to maintain a constant stress intensity factor (or energy release rate) at the crack tip as it propagates away from the location of the applied load at a constant speed. The analysis is also applicable to situations in which fracture requires a time dependent energy release rate. An example of the cleavage of diamond is considered

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