산업기술연구 (Journal of Industrial Technology)
- 제18권
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- Pages.117-124
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- 1998
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- 1229-9588(pISSN)
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- 1598-1371(eISSN)
용접(鎔接)이음한 구조용강(構造用鋼)의 피노귀열진전거동(疲勞龜裂進展擧動)
The Propagation Behavior of the Fatigue Crack of the Welded Structural Steel
- 발행 : 1998.12.31
초록
In recently, according to increase the construction rate of steel bridge, it is necessary to develop the high strength, high toughness steel. Thus, this study show to evaluate the fatigue characteristic of SWS 570 B first used within a country. With the weld-joined compact tension specimens compared with each other, that is, transverse and lengthwise about the crack propagation, high and low in the input heat level, the fatigue test were performed. The log-log curves between the fatigue crack propagation rate da/dN and the transition range of the stress intensity factor
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