+1. 0,63 fin r= 0.051 P The stepped rod in sketch is subjected to a tensile force that varies between 4000 and 7000 lb. The rod has a machined surface finish everywhere except the shoulder area, where a grinding operation has been performed to improve the fatigue resistance of the rod. Using a 99% probability of survival, determine the safety factor for infinite life if the rod is made of AISI 1080 steel, quenched and tempered at 800°c Use the Goodman line. Does the part fail at the fillet? Explain

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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+1.
0,63 fin
r= 0.051
P
The stepped rod in sketch is subjected to a tensile
force that varies between 4000 and 7000 lb. The
rod has a machined surface finish everywhere except
the shoulder area,
where a grinding operation has
been performed to improve the fatigue resistance
of the rod. Using a 99% probability of survival,
determine the safety factor for infinite life if
the rod is made of AISI 1080 steel, quenched
and tempered at 800°c Use the Goodman line.
Does the part fail at the fillet? Explain
Transcribed Image Text:+1. 0,63 fin r= 0.051 P The stepped rod in sketch is subjected to a tensile force that varies between 4000 and 7000 lb. The rod has a machined surface finish everywhere except the shoulder area, where a grinding operation has been performed to improve the fatigue resistance of the rod. Using a 99% probability of survival, determine the safety factor for infinite life if the rod is made of AISI 1080 steel, quenched and tempered at 800°c Use the Goodman line. Does the part fail at the fillet? Explain
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