1. 1 E. B. Shand , “Experimental Study of Fracture of Glass: I, The Fracture Process,” J. Am. Ceram. Soc., 37, 52-6 (1954); original figure from C.J. Phillips, “Mechanical Strength of Glass”;report, Research Laboratory, Corning Glass Works, 1937.
2. 2 L. Grenet , Bull. Soc. Encour. Ind. Nat. [Ser. 5], 4, 838 (1899). For translations of the paper see: F.W. Preston, “The Time Factor in the Testing of Glassware,”J. Am. Ceram. Soc. 18 220-224 (1935), and Glass Ind., 15 [11] 277-80 (1934).
3. 3 D. M. Marsh , “Plastic Flow and Fracture of Glass,” Proc. Roy. Soc. (Lond.), 282A [1388] 33-43 (1964).
4. 4 C. E. Ingles , “Stresses in a Plate Due to the Presence of Cracks and Sharp Corners,” Trans. Inst. Nav. Archit., 55, 219-30 (1913).
5. 5 A. A. Griffith , “The Phenomena of Rupture and Flow in Solids,” Philos. Trans. R. Soc. Lond., A221, 163-98 (1920).