Society of Glass Technology · [Sheffield] · leaf 359
l silica stem, whichwas not compensated by the shorter lengths of silica tubes standingon the two slabs. The expansions (dl) of the sillimanite mixtureand clay slabs as the temperature was rising are set out below, andplotted in Fig. 4. Thermal Expansion of Sillimanite and Clay. Length of… … 400° 600° Temperature. Fig. 4. NATURAL SILLIMANITE AS A GLASS REFRACTORY MATERIAL. 257 From the curves in Fig. 4 it is evident that the sillimanitehas a very regular rate of expansion throughout the whole of therange up to 1000°; on cooling over this range it contracts inthe same uniform way and at…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
