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Article Type: Research Papers
J. Pressure Vessel Technol. February 2009, 131(1): 011401.
Published Online: November 11, 2008
... ( Δ C ) for nucleation of hydrides in the zirconium matrix. Dislocations in the plastic zone ahead of the crack tip provide sites for a heterogeneous nucleation of the hydrides ( 4 20 21 ). Thus, nucleation of the hydrides depends on when and how large the plastic zone is formed due...