A 25 mm diameter cylindrical rod fabricated from 2014-T6 Al alloy is subjected to repeated tension-compression load cycling. The data is plotted for σm = 20 MPa. In order to have fatigue life of 1.0x107 cycles, calculate Stress Ratio and mention whether it is a case of HCF or LCF.
A 25 mm diameter cylindrical rod fabricated from 2014-T6 Al alloy is subjected to repeated tension-compression load cycling. The data is plotted for σm = 20 MPa. In order to have fatigue life of 1.0x107 cycles, calculate Stress Ratio and mention whether it is a case of HCF or LCF.
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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A 25 mm diameter cylindrical rod fabricated from 2014-T6 Al alloy is subjected to repeated tension-compression load cycling. The data is plotted for σm = 20 MPa. In order to have fatigue life of 1.0x107 cycles, calculate Stress Ratio and mention whether it is a case of HCF or LCF.
Transcribed Image Text:80
500
70
60
400
1045 steel
50
300
40
2014-T6 aluminum alloy
200
30
20
100
Red brass
10
10
10
105
105
107
10
10
1010
Cycles to failure, N
Stress amplitude, S (MPa)
Stress amplitude (10 ps)
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