Thread: Magnitude of Fracture Load

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  1. #1 Magnitude of Fracture Load 
    Member apayne357's Avatar
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    Hey guys, I've been working through some examples in a textbook and am struggling with the following question. I'm not sure whether you would have to combine the Y correction factors or treat them separately and am now very confused! The question is...

    A hook shown in the figure below is used as a tool for digging ol roads. It is made of AISI 4340 heat treated steel (KIC = 59 MPA). The dimensions of the tool are: d=250mm, 2c = 60mm and the width of the rectangular section is t = 25 mm. Determine the magnitude of the fracture load P for a crack length of 5mm. State the underlying assumption in your analysis.

    The image if the hook is found here http://postimg.org/image/eznslqvjt/

    Finally it gives the correction factors for a finite-width sheet with an edge crack as 1.22 and for an edge crack in beam in bending is 1.02. Any help would be greatly appreciated!
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    Member apayne357's Avatar
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    No worries, sorted it!
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