
Photo archive of SEM
Sample 47 is clay from Kočevje (Lower Carniola). The recommended firing temperature is 900–1100 °C. The beginning of sintering is at 1100–1250 °C. At 1100 °C shrinkage is 8 % and porosity 5 %.
Clay samples
800 °C
900 °C
1000 °C
1100 °C
1200 °C
- segrevanje
heating up - priporočena temp. žganja
recommended firing temperatures - začetek sintranja
the beginning of sintering - mehčanje
softening
Clay preparation for testing
unprocessed clay
sifted and dried clay- grain size in mm
1.4 % = 1.0 mm
0.3 % = 0.2 mm