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A 6.4 mm (0.25 in.) diameter cylindrical rod fabricated from a 2014-T6 aluminum alloy (Figure 9.41) is subjected to reversed tension-compression load cycling along its axis. If the maximum tensile and compressive loads are +5340 N (+1200 lbf) and –5340 N (–1200 lbf) , respectively, determine its fatigue life. Assume that the stress plotted in Figure 9.41 (attached below) is stress amplitude.

A 6.4 mm (0.25 in.) diameter cylindrical rod fabricated from a 2014-T6 aluminum alloy (Figure 9.41) is subjected to reversed tension-compression load cycling along its axis. If the maximum tensile and compressive loads are +5340 N (+1200 lbf) and –5340 N (–1200 lbf) , respectively, determine its fatigue life. Assume that the stress plotted in Figure 9.41 (attached below) is stress amplitude.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A 6.4 mm (0.25 in.) diameter cylindrical rod fabricated from a 2014-T6 aluminum alloy (Figure 9.41) is subjected to reversed tension-compression load cycling along its axis.  If the maximum tensile and compressive loads are +5340 N (+1200 lbf) and –5340 N (–1200 lbf) , respectively, determine its fatigue life.  Assume that the stress plotted in Figure 9.41 (attached below) is stress amplitude.

80 500 70 60 400 1045 steel 50 300 40 2014-T6 aluminum alloy 200 30 20 100 Red brass 10 103 104 105 105 107 108 10° 1010 Cycles to failure, N Stress amplitude, S (MPa) Stress amplitude (103 psi)
Transcribed Image Text:80 500 70 60 400 1045 steel 50 300 40 2014-T6 aluminum alloy 200 30 20 100 Red brass 10 103 104 105 105 107 108 10° 1010 Cycles to failure, N Stress amplitude, S (MPa) Stress amplitude (103 psi)
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