Response: Discussion of “A simple test method for measuring ‘valid’ JIc fracture toughness in charpy-size surveillance specimens of nuclear pressure vessel steel,“

R. O. Ritchie, W. L. Server, and R. A. Wullaert, International Journal of Fracture 14 (1978) R329-R334.

G. Green and J. F. Knott, Metals Technology 2 (1975) 422–427.

W. L. Server, R. A. Wullaert, and R. O. Ritchie, Journal of Engineering Materials and Technology, Trans. ASME Series H, 101 (1979) in press (M. I. T. Fatigue and Plasticity Laboratory Report No. FPL/R/79/1022, March 1979).

R. O. Ritchie, in “What Does the Charpy Test Really Tell Us?” Symposium, American Society for Metals, Metals Park, Ohio (1978).

R. H. Van Stone, General Electric Report No. SRD-78–116 for EPRI, July 1978, General Electric Company, Schenectady (1978) 5.1–5.13.

R. O. Ritchie, W. L. Server, and R. A. Wullaert, Metallurgical Transactions A 10A (1979) in press (M.I.T. Fatigue and Plasticity Laboratory Report No. FPL/R/79/1019, February 1979).

C. N. Freed and J. M. Krafft, Journal of Materials 1 (1966) 770–790.

C. F. Shih, unpublished work, General Electric Company, Schenectady.

C. G. Chipperfield, International Journal of Fracture 13 (1977) 847–860.

G. D. Fearnehough, G. M. Lees, J. M. Lowes, and R. T. Weiner, in Practical Application of Fracture Mechanics to Pressure Vessel Technology, Institution of Mechanical Engineers, London (1971) 119–128.