Sapphire dislocation-dissociation

As pointed out in Section 9.1, Kronberg [7] and Hornstra [8] produced seminal reports on the dissociation of dislocations in ceramics, particularly sapphire and spinel. Kronberg suggested that basal dislocations in sapphire should dissociate according to... 

Dislocation-dissociation has been an important issue in studies of basal deformation in sapphire since the seminal studies of Kronberg [7], who suggested that basal dislocations would dissociate into half-partials via the reaction ... 

Figure 9.16 Formation of a faulted dipole in sapphire, (a) Original perfect dislocation dipole (b) Dipole with each partial undergoing conservative climb dissociation (c) Faulted dipole formed by the annihilation of the inner partials.

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