Innovative evaluation technique for delayed fracture prediction for high-strength bolting steels

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In the present study, to promote more widespread use of Class 1300mpa high strength bolts, an innovative delayed fracture prediction technique has been developed. The technique enables us to quantitatively simulate the hydrogen ingress into steel from actual environments, thus fully overcoming the shortcomings of the conventional technique.

Description

In the present study, to promote more widespread use of Class 1300mpa high strength bolts, an innovative delayed fracture prediction technique has been developed. The technique enables us to quantitatively simulate the hydrogen ingress into steel from actual environments, thus fully overcoming the shortcomings of the conventional technique.

Additional information

Author(s)

Hitoshi Matsumoto, Fukukazu Nakasato and Takahiro Kushida, Sumitomo Metal Industries, Ltd., Japan.

Publication/Event/Pages

Paper presented at WAI 68th Annual Convention, Cleveland, OH USA. Paper published in Wire Journal International, Jan. 1999, pg. 88.

Year

1998