Society of Glass Technology · [Sheffield] · leaf 437
engths,blue, violet, and ultra-violet being specially interesting. A. C. 3. The Expansion of Glass at High Temperatures. W. B. Pietenpol {Chem. and Met. Eng., 1920, 23, 876).—The expansionwas determined of strips of glass, about 76 cm. long, resting ona flat piece of asbestos rigidly supported in… … ICO Temperatures.Fig. 4. The rate of expansion of annealed glass was found to be almostlinear up to about 450° or 550°. During the next 60° or 100° itincreased by four to six times, after which the rate again becamelinear and continued so until the glass reached its softening point.There a decrease…
Glass
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