A steel plate, which has a fracture toughness in a plane strain state of 83 MPavm, is alternately loaded in tension at 750 MPa and in compression at 20 MPa. The plate must survive 15 years with the stress applied at a frequency of once every 3 min. Calculate the constant C of the material if n=2.8 . Assume that the geometric factor f=1 for all your imperfections. Internal imperfections have a size of 0.0015 mm
A steel plate, which has a fracture toughness in a plane strain state of 83 MPavm, is alternately loaded in tension at 750 MPa and in compression at 20 MPa. The plate must survive 15 years with the stress applied at a frequency of once every 3 min. Calculate the constant C of the material if n=2.8 . Assume that the geometric factor f=1 for all your imperfections. Internal imperfections have a size of 0.0015 mm
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steel plate, which has a fracture toughness in a plane strain state of 83 MPavm, is alternately loaded in tension at 750 MPa and in compression at 20 MPa. The plate must survive 15 years with the stress applied at a frequency of once every 3 min. Calculate the constant C of the material if n=2.8 . Assume that the geometric factor f=1 for all your imperfections. Internal imperfections have a size of 0.0015 mm
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