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Computation of Drill Rods Fatigue Life
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P634.4

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    Abstract:

    Critical fissure dimensiorns and fatigue life of semi-ellipse surface, surface, linearity, deep ellipse and deep circle cracked drill rod, etc. can be computed on the base of theories of fracture mechanics, and the impor-tance for extensing the life of rod by strictly inspection to diminish bending stress is demonstrated through instances.

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  • Published: May 25,1994
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