Q3/ A 6.4mm diameter cylindrical rod fabricated from a 2014 T6 aluminum alloy is subjected to reversed tension-compression load cycling along its axis. If the maximum tensile and compressive loads are (+5340 N and -5340N respectively), determine its fatigue life. Assume the stress plotted is stress amplitude.

Q3/ A 6.4mm diameter cylindrical rod fabricated from a 2014 T6 aluminum alloy is subjected to reversed tension-compression load cycling along its axis. If the maximum tensile and compressive loads are (+5340 N and -5340N respectively), determine its fatigue life. Assume the stress plotted is stress amplitude.

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

See similar textbooks

Similar questions

Determine the diameter of a circular rod made of ductile material with a fatigue strength (complete stress reversal) σe = 280 MPa and a tensile yield strength of 350 MPa. The member is subjected to a varying axial load from 700 kN to – 300 kN. Assume Kt = 1.8 and F.S. = 2.
13. An airplane’s landing gear must be capable of supporting ⅓ of its weight at 200000 kg. To induce safety, the landing gear must be able to support twice its maximum load. Determine the minimum cross-sectional are (mm2) of the landing gear if it is made of a heat-treated steel having a yield strength of 860 mpa and a tensile strength of 900 mpa.
An arrow is shown, where the most critical part (r) of said arrow is observed.to. It is designed with approximate relative sizes of d = 0.65D and r = D/15 with the diameter d conforming to the size of the inner diameters of standard metric bearings.b. It is made of SAE 2340 steel, heat treated to obtain minimum strengths in the shoulder area of Sut = 1226 MPa and Sy = 1130 MPa.c. At the shoulder, the arrow is subjected to a completely reversible bending moment of M = 80N and a uniform torque of T = 55Nmd. It has a safety factor n = 2 Determine the dimensions of the shaft for infinite life.
brittle material has the properties Sut = 30 kpsi and Suc= 90 kpsi. Using the brittle Coulomb- Mohr and modified-Mohr theories, determine the factor of safety for the following states of plane stress σx = 25kpsi , σy = 15kpsi.
Produced from xCy steel material by machining method, the shaft is bedded at C and D points. With the shaft, constant Fy= 870 N forces in the vertical direction and constant Fx= 4,7 kN forces in the axial direction, which do not rotate together. The tensile strength of the shaft material is (sigma)tensile = 670 MPa and the yield strength is (sigma)yield = 470 MPa. For 50% reliability, analyze the fatigue damage condition of the shaft sections A and B separately.
A cylindrical rod of diameter 9.5 mm fabricated from a 2014-T6 aluminum alloy is subjected to rotating–bending load cycling; test results (as S–N behavior) are shown in Figure 8.21. If the maximum and minimum loads are +400 N and −400 N, respectively, determine its fatigue life. Assume that the separation between load-bearing points is 72.5 mm. Figure 8.21 is attached
A certain steel shafting material has an ultimate strength of 93 ksi, a notch radius of 0.25 inch, and a stress concentration factor of 2.5 at its pitch. Determine the fatigue-strength reduction factor for a life of 166,077 cycles only
1. An 8.0-mm (0.31-in.-) diameter cylindrical rod fabricated from a red brass alloy (Figure 8.34) is subjected to reversed tension-compression loading cycling along it’s axis. If the maximum tensile and compressive loads are +7500 N (1700lbf) -7500 N (-1700 lbf), respectively, determine it’s fatigue life. Assume that the stress plotted in Figure 8.34 is stress amplitude. 2. Consider an 18-8 Mo stainless (Figure 8.35) that is exposed to a temperature 500C (773K). What is maximum allowable stress level for a rupture lifetime of 5 years? 20years? Please state the given. Thanks a lot…
A bar made of carbon-steel of size 12mm x 20mm has a yield stress of 400 MPa and ultimate tensile strength of550 MPa. Tha gauge length of the specimen tested under tension loading is 350mm. a. Determine its elongation when a tension load of 75 KN is applied. b. Determine the maximum load the bar can take before it fractures. Take Youngs Modulus of steel as 200,000 MPa
3. Calculate the tensile modulus (G) of a 1-cm poly(methyl methacrylate) (CAS# 9011-14-7) rod with a tensile stress of 69.1 MPa and an elongation of 2.6%.
answer this ; The factors of safety predicted at point H by the maximum shear stress theory of failure (Tresca criterion)
An eight-inch-long steel has a cross section area of 0.25 in2. After a load of 5000 lbs has been applied, the length is found to be 8.0065 in. What is the unit deformation induced? Select one: a. 0.00081 b. 0.00041 c. 0.0081 d. 0.004