|Monthly Tech-Tip |
As temperature increases, particles can begin to bond even though no flux is present to produce a glass to cement particles together (called sintering). As temperature increases, densification occurs as particles realign in increasingly closer contact (forming increasingly tighter bonds as area-of-contact increases). The sintering particles undergo various structural and chemical changes that factor into the matrix being formed, some of these changes involve evolution of gases.
A densification process occurring within a ceramic kiln. With increasing temperatures particles pack tighter and tighter together, bonding more and more into a stronger and stronger matrix.