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Vitrification of a ceramic body means

  • A.formation of a glassy phase that closes the pores
  • B.the complete melting of the whole of the body
  • C.the removal of every trace of water from the body
  • D.the application of a glaze to the outer surface

Answer: A

Enough glass forms to draw the remaining particles together and seal the pores, without the piece losing its shape. Distinguishing vitrification from melting is essential, since the two are only a few tens of degrees apart.

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