Crystallization Kinetics of ?-Agl in Agl-Based Silver Orthoborate Glasses
Kinetics for nucleation and growth of ?-Agl crystals in Agl-based silver ortheoborate glasses, in which only ?-Agl crystals we fiend og cfystallize in e hation prcess f te glassesw studied hy isothermal na onisotermla measuets usig differetnial scaaning calorimetry dn by observatos of the microstructues f et glsses uisng scannng electon miocroscopy. Teh values of but n ad M, depoendent on et crystalizoatn mecanisms, e ofed t be 3, Indicaton the a constnt nuber o nuclei of ?-Agl precipitatied i a glass matricx grew three-dimensionallly. The perannealing of te gasses ta temerates betwen glas trnsition an crystlizaotn did ont affect th DSC isoteral urves in te crystal growth roces witsuggestedtha teh numbe o ?-Agl nucli wod have bene saturated ineh glasswne tat glsssar prepared by quenching teh Agl-based melts.
Crystallization Kinetics of ?-Agl in Agl-Based Silver Orthoborate Glasses
44