A plate with a center hole is subjected to both of axial force (F) and bending moment (M; actingabout weak axis). Predict the fatigue failure with 50% reliability. The plate is machined from alloysteel (S.= 470 MPa and Sy= 350 MPa).MM[Top View]MM[Side View]Where, w=35mm, d=4mm, h=2mm.1) Calculate fatigue strength (S,).2) Calculate o. and o. for two loading cases: (a) F=Fosin (wt-10) and M=0F=Fosin (t+10) +k and M=Moand (b)Note: F.= k = 2 kN and M.= 4 Nm3) Determine if the bar is safe against fatigue failure and calculate safety factor for the cyclicloading cases; assume (a) Obm = 0 MPa and O = 80 MPa and (b) oim = 85 MPa and OE = 70MPa regardless of the answers in question 2).

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A plate with a center hole is subjected to both of axial force (F) and bending moment (M; acting about weak axis). Predict the fatigue failure with 50% reliability. The plate is machined from alloy steel (S.= 470 MPa and Sy= 350 MPa). M [Top View] M M (Side View] Where, w-35mm, d34mm, h=2mm. 1) Calculate fatigue strength (S,). and (b) 2) Calculate . and o. for two loading cases: (a) F=Fosin (ot-10) and M=0 F=Fosin (t+10) +k and M=Mo Note: F.=k = 2 kN and M.= 4 Nm 3) Determine if the bar is safe against fatigue failure and calculate safety factor for the cyclic loading cases; assume (a) obm = 0 MPa and O = 80 MPa and (b) oim = 85 MPa and o = 70 MPa regardless of the answers in question 2).

A plate with a center hole is subjected to both of axial force (F) and bending moment (M; acting about weak axis). Predict the fatigue failure with 50% reliability. The plate is machined from alloy steel (S.= 470 MPa and Sy= 350 MPa). M [Top View] M M (Side View] Where, w-35mm, d34mm, h=2mm. 1) Calculate fatigue strength (S,). and (b) 2) Calculate . and o. for two loading cases: (a) F=Fosin (ot-10) and M=0 F=Fosin (t+10) +k and M=Mo Note: F.=k = 2 kN and M.= 4 Nm 3) Determine if the bar is safe against fatigue failure and calculate safety factor for the cyclic loading cases; assume (a) obm = 0 MPa and O = 80 MPa and (b) oim = 85 MPa and o = 70 MPa regardless of the answers in question 2).

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Thermal Properties of Materials

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Question

A plate with a center hole is subjected to both of axial force (F) and bending moment (M; acting
about weak axis). Predict the fatigue failure with 50% reliability. The plate is machined from alloy
steel (S.= 470 MPa and Sy= 350 MPa).
M
M
[Top View]
M
M
[Side View]
Where, w=35mm, d=4mm, h=2mm.
1) Calculate fatigue strength (S,).
2) Calculate o. and o. for two loading cases: (a) F=Fosin (wt-10) and M=0
F=Fosin (t+10) +k and M=Mo
and (b)
Note: F.= k = 2 kN and M.= 4 Nm
3) Determine if the bar is safe against fatigue failure and calculate safety factor for the cyclic
loading cases; assume (a) Obm = 0 MPa and O = 80 MPa and (b) oim = 85 MPa and OE = 70
MPa regardless of the answers in question 2).

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