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The delayed fracture of high strength hexagon bolts for grip joints occurred in the mid-1960s,creating an important problem.Studies on delayed fracture have been performed by many investigators since then. This paper provides a summary of the history of study on delayed fracture in Japan.using many papers as reference.
The delayed fracture of high strength hexagon bolts for managing joints occurred in the mid-1960s, creating an important problem. Situations on delayed fracture have been performed by many investigators since then. This paper provides a summary of the history of study on delayed fracture in Japan.using many papers as reference.