1. 1) ISO/CD 14556 : Steel-Charpy V-notch Pendulum Impact Test-Instrumented Test Method, ISO/TC 164/SC 4P/N191 (rev. 2).
2. 4) ASTM Draft 7 : Proposed ASTM Standard Method for Instrumented Impact test of Metallic Materials, ASTM, (1998).
3. 5) ESIS Draft 10 : Proposed ESIS Instrumented Charpy-V Impact Method, ESIS, London, (1994).
4. 6) T.Kawai, M.Etoh, N.Hanawa, M.Shibaike, K.Inoue : J. Jpn. Soc. Exp. Mech., 28 (1983), No. 4,279.
5. 7) D.A.Fink : ASTM STP, No. 1072 (1990), 94.