12 Firing Process

Due to its irreversibility, most potters consider firing, along with the selection of raw material, as one of the most important stages in the pottery manufacturing process. During firing, important physicochemical changes take place in the ceramics that affect the several components that make up the paste depending on their particular nature. Hence, diverse reactions take place in the paste during the heating process and new minerals can be formed from those that decompose. The final microstructure of the pottery is determined by two basic factors (Cuomo Di Caprio, 1985; Dawson and Kent, 1987; Linares et al., 1983; Livingstone-Smith, 2007; Sillar, 2000; Vázquez, 2003):

a) Paste: The final product obtained after the firing depends ...

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