A simple test method for measuring “valid” JIcfracture toughness in Charpy-size surveillance specimens of nuclear pressure vessel steel

Comparative studies of several methods t

Comparative studies of several methods to determine the dynamic fracture toughness of a nuclear pressure vessel steel A508 CL3 with Charpy-size specimen

✍ Zhang Xinping; Shi Yaowu 📂 Article 📅 1996 🏛 Springer Netherlands 🌐 English ⚖ 602 KB

In this investigation, five estimation methods have been adopted to estimate the dynamic fracture toughness of a nuclear pressure vessel steel A508 CL3 by using pre-cracked Charpy-size specimens on an instrumented impact test machine. Furthermore, the merits and the demerits of the five methods have