overfired

Sometimes a black ware is 'overfired' to an ashy grey.

How to Observe in Archaeology Various

Though his body twitched—the poor overfired nerves firing one another in sympathy and frightened anticipation.

Dark Mirror Diane Duane 1993

Moment-to-moment evaluation of which nerves have overfired and need to rest before they become sensitive again.

Dark Mirror Diane Duane 1993

If it seems overfired (too fluid), the clay content can be increased.

16. Glaze formula calculations 1993

This strongly binds the clay particles together, but if the body is overfired it becomes brittle like glass and loses its strength.

Chapter 9 1990

That gives it a long vitrification range, and the ware will not suddenly collapse when overfired as is the case of limestone.

Chapter 9 1990

Sort the bricks into good quality, "seconds", underfired and overfired bricks.

Chapter 9 1989

The third cone is a number that will deform at a temperature higher than 950°C; this will inform you that the kiln has been heated beyond the desired temperature and the bricks are likely to be overfired.

Chapter 11 1989

Behind cone 7 a cone 8 is placed which shows whether the kiln is overfired.

2. Kilns 1987