Question 1 A circular bar - shown below, made of AISI 1040 OQT 1300 steel (Su = 600 MPa), is loaded with an axial tensile loading P. Calculate the modified endurance strength (SE) and the modified fatigue strength (SF) for the bar if D 36 mm, d = 30 mm, and r= 2.4 mm. Use the number of cycles to fracture to be 5 x 10'. Assume that the surface finish factor, ks, is 0.85, the size factor, ks, is 0.85, and the notch sensitivity factor, q., is 0.75. Use the following equations if needed, Se = 0.45 Sy & S = 0.75 Sy log C = log & = -- bs Kp - 1 S = 10° Nos & qn = Ke – 1

Question 1 A circular bar - shown below, made of AISI 1040 OQT 1300 steel (Su = 600 MPa), is loaded with an axial tensile loading P. Calculate the modified endurance strength (SE) and the modified fatigue strength (SF) for the bar if D 36 mm, d = 30 mm, and r= 2.4 mm. Use the number of cycles to fracture to be 5 x 10'. Assume that the surface finish factor, ks, is 0.85, the size factor, ks, is 0.85, and the notch sensitivity factor, q., is 0.75. Use the following equations if needed, Se = 0.45 Sy & S = 0.75 Sy log C = log & = -- bs Kp - 1 S = 10° Nos & qn = Ke – 1

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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