The cold-drawn AISI 1040 steel bar shown in the figure is subjected to a completely reversedaxial load fluctuating between 15 kN in compression to 15 kN in tension. Estimate the fatiguefactor of safety based on achieving infinite life, and the yielding factor of safety. If infinite life isnot predicted, estimate the number of cycles to failure.6 mm D.25 mm10 mm

The yield strength of the AISI 1040 steel is given as, The ultimate strength of the AISI 1040 steel…

Answered: The cold-drawn AISI 1040 steel bar…

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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Required information The cold-drawn AISI 1040 steel bar shown in the figure is subjected to an axial load that fluctuates from 8 kN to 30 kN. Use the Modified Goodman criterion and estimate the fatigue factor of safety based on achieving infinite life and the yielding factor of safety. 25 mm 10mm -6-mm D. What is the number of cycles to failure for this part? The number of cycles is 120000
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A ductile bar as shown in figure 1 has a yiel strength of oy = 390 MPa. Force F makes a 30° angle with the positive x axis. Deter- mined the magnitude of F that will cause yielding. Hint: Select the most loaded point in the structure and the failure theory to use according to the material (The standard one for this type of material). Refer to the lecture. 2 y 7 75 mm 500 mm F 300 mm X
Solve please
Answer is closer to 32 kN/m, but how does it get there?
Required information Given a bar made of brittle material, properties of Sut= 30 kpsi and Suc = 90 kpsi and with stresses of Ox= -15 kpsi, Oy= 10 kpsi, and Txy=-15 kpsi. For the given state of plane stress, determine the factor of safety using the Coulomb-Mohr theory. The factor of safety is
A bracket shown in Fig.(2) is fastened to the wall by four bolts equispaced on a (10 cm) diameter bolt circle. The bracket is subjected to a fluctuating force (0-50 N) . Find the forces acting on each bolt and then choose a suitable bolt size and a preload that will give minimum safety factor (1.5) for any mode of failure.

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