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DCB with prescribed displacement

DCB_F

PRACTICAL ASPECTS:

  • specimens easily prepared
  • straightforward fixtures
  • conventional testing machines needed
  • very accurate predictions of work of separation can be obtained using formulae based on LEFM that do not require measurement of the crack length

THEORETICAL ASPECTS:

  • crack propagation is not steady state
  • critical energy release rate, Gc, is less than the work of separation, Ω 

SUGGESTED LITERATURE:

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