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Method of arresting fatigue crack growth in metal member, and fatigue crack growth-arrested metal member
Method of arresting fatigue crack growth in metal member, and fatigue crack growth-arrested metal member
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机译:抑制金属构件中的疲劳裂纹扩展的方法以及疲劳裂纹扩展被阻止的金属部件
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摘要
In a method of arresting fatigue crack growth in a metal member, a hole is formed beside a tip portion of a fatigue crack with respect to a crack extension direction, in a metal member body, in which the fatigue crack occurs due to an action of applied cyclic tensile stress. Then, a press-fit object being higher in stiffness than the metal member body and larger in external size than the hole is press-fitted into the hole. Compressive stress is made to act on the tip portion of the fatigue crack from directions lateral to the crack extension direction.
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