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Explain clearly why the answer in letter B is N=700. How do you read the graph to get 700?

Explain clearly why the answer in letter B is N=700. How do you read the graph to get 700?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Explain clearly why the answer in letter B is N=700. How do you read the graph to get 700?

TNT VOLTE 4G :1וו O O N 433% TNT Laz 18:49 SEARCH & ASK 보 CHAT νX MAΤΗ & A metal rod having a diameter of 10 mm is subjected to a repeated tensile load. The material of the rod has a tensile strength of 290 MPa and a fatigue failure behavior as shown in the figure. How many load repetitions can be applied to this rod before it fails if the magnitude of the load is a.) 5 kN, b.) 11 kN? 08- 04 Endurance imit 02 10° 10 Number f cycles o alue Е Expand Transcribed Image Text 0.8 0.6 0.4 Endurance limit 0.2 1 102 10° 10 105 106 107 108 Number of cycles to failure Applied stress/Strength Expert Answer Step 1 a) For P: 5 KN 5 X1000 Sten = PA: 63-7 M lmn TT :63.7 Ma. stran /streagth = 63-7 0.22 Endurane l int, From the a thached figure number * repeh'hon can an uhlimited fei lurre. be applicd ewithout fectigue Step 2 D For P> II Kt. Stry Ilo00 c140:1 M Pa- O.48.. 290 From the atta Checdl fizurer, numbr g repehtions N100 Applied stress/Strength
Transcribed Image Text:TNT VOLTE 4G :1וו O O N 433% TNT Laz 18:49 SEARCH & ASK 보 CHAT νX MAΤΗ & A metal rod having a diameter of 10 mm is subjected to a repeated tensile load. The material of the rod has a tensile strength of 290 MPa and a fatigue failure behavior as shown in the figure. How many load repetitions can be applied to this rod before it fails if the magnitude of the load is a.) 5 kN, b.) 11 kN? 08- 04 Endurance imit 02 10° 10 Number f cycles o alue Е Expand Transcribed Image Text 0.8 0.6 0.4 Endurance limit 0.2 1 102 10° 10 105 106 107 108 Number of cycles to failure Applied stress/Strength Expert Answer Step 1 a) For P: 5 KN 5 X1000 Sten = PA: 63-7 M lmn TT :63.7 Ma. stran /streagth = 63-7 0.22 Endurane l int, From the a thached figure number * repeh'hon can an uhlimited fei lurre. be applicd ewithout fectigue Step 2 D For P> II Kt. Stry Ilo00 c140:1 M Pa- O.48.. 290 From the atta Checdl fizurer, numbr g repehtions N100 Applied stress/Strength
D For P> 1I Kt. stret s Ilo00 C 140.1 MPa. reyth 140.1 O.48. 290 From Hhe attaohd.fizur, numer g repehtions N100
Transcribed Image Text:D For P> 1I Kt. stret s Ilo00 C 140.1 MPa. reyth 140.1 O.48. 290 From Hhe attaohd.fizur, numer g repehtions N100
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