2617.     PETCH, N. J.  Positions of the Carbon Atoms in Austenite.  Jour. Iron Steel Inst. (London), vol. 145, 1942, pp. 111P-128P; Chem. Abs., vol. 36, 1942, p. 6477.

        X-ray powder photographs of austenite show that the possible positions for C are at the centers of the unit cells and at the midpoints of the edges.  Discusses theories of the structure.