Problem 1 The fatigue data for a brass alloy are given as follows : Stress amp, 170 148 130 114 92 80 74 S(MPa) Cycle to failure (N) 3.7x10* 1.0x105 3.0x105 1.0x106 1.0x107 1.0x10 1.0x10° a) Make an S-N plot of the data. b) Select S-N curve, select add trendline and in trendline options click power and display equation on the chart. c) Determine the material constants A and B by fitting this plot to the equation S=AN°. d) Determine the Fatigue life for 120 MPa. e) Determine the fatigue limit or Fatigue strength whichever is applicable for this metal.

Problem 1 The fatigue data for a brass alloy are given as follows : Stress amp, 170 148 130 114 92 80 74 S(MPa) Cycle to failure (N) 3.7x10* 1.0x105 3.0x105 1.0x106 1.0x107 1.0x10 1.0x10° a) Make an S-N plot of the data. b) Select S-N curve, select add trendline and in trendline options click power and display equation on the chart. c) Determine the material constants A and B by fitting this plot to the equation S=AN°. d) Determine the Fatigue life for 120 MPa. e) Determine the fatigue limit or Fatigue strength whichever is applicable for this metal.

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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