Abstract

AbstractThe first in situ characterization of the pore morphology evolution during the cold sintering process (CSP) is presented using small‐angle X‐ray scattering methods. For practical reasons, measurements have been made on a model system, KH2PO4 (KDP). The scattering signal revealed a striking behavior that could be modeled with nanoscale structural features associated with the dissolution and reprecipitation of KDP close to the grain/pore interface during CSP. The prospects for future more quantitative experiments under a range of temperature and pressure conditions, as well as for studies of more technologically important materials such as ZnO are considered.

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