1what is the order of drying vlay
plastic, leather hard, bone dry
2what stage of drying does it meed to be to fire for firdt time
bone dry
35 stages of firing
1 water smoking at 212degresses. 2 dehydration 660-950 degrees. 3 Crystal inversion 1000 degrees. 4 oxidation 1600-1700 degrees. 5 vitrification depends 1800 degrees
44 types of kilns
electric/ atmospheric/periodic/continuous
5what is stilits, spyhole, kiln wash, kiln cement, kiln furniture?
stilts hold piece up it there i glaze on the bottom. spyhole to see how the clay is doing. protect the kiln with a wash. kiln cement used to fix kiln. kiln furniture useds to shelve stuff.
6wheres do heavy pieces get put in the kiln?
the bottom.
7can pieces be touching v
yes.
8do you increase temp fast or slow
slow
9what 3 ingredients does
sillica, alumica,flux
10know what causes these defects. blisters bubbles pinholes, crawling running,crazing, dry texture, dunting, shivering,
blitsters=dust. crawlingunning= too thick. crazing=glaze shrinks more than clay. dry texture= not enough glaze. dunting= cracking cuased by stress shivering = glaze doesnt shrink enough
11what dies dry footinf mean
to make sure no glaze us on the bottom of your piece.
12glaze situation
start clean. make glaze plan. use one color. 3 coats clean