The mounting arm shown in the figure below is to be made of machined AISI 1050 CD steel and is subjected to the aial force 120 An cyces repeatedy from tension to compression, and the completely reversitie cycdtorsional moment of T25AN Assume the component is operating at room temperature of 0 and the material has sos refiablity factor. Aso asume K138 and-13256 mm Dr=3 mm%3D50 mm D1. Identity the critical location(s) of stress and show it clearly in a diagram2 Identify cleary, all the components of stresses (at the critical point) that will be calculated (by drawing and clearly showing the XYZ axes) and show it in a matrix form Show which components of stresses will have a vazero or non-zero3. Calculate the principar stresses and principal directions. Show the principal stresses dearty in a stress element with respect to original XYZ coordinate system4. Clearly show the calculations for all the 6 Marin factors (Use only the formula sheet provided in the beginning of the test) and calculate the endurance limit, s,5 Calculate the amplitude and mean value of axial force and coresponding stress valuesa. Calculate the ampitude and mean value of torque and corresponding stress values.7. Calculate the fatigue factor of satety upto 4 digits after decimal point using Gerber criterion8 Calculate the yield factor of safety, upto 4 digits after decimal point0. Does the component fail or does not fal?10. Cauloulate the numer of cycles to failure

Answered: Image /qna-images/answer/746a13a1-2e2b-45ea-8be7-1677f8917b7d.jpg

ions. Show the principal stresses dearty in a stress element fors (Use only the formula sheet provided in the beginni ce and comesponding stress values and coresponding stress values s after decimal pont using Gerber criterion after decimal point

ions. Show the principal stresses dearty in a stress element fors (Use only the formula sheet provided in the beginni ce and comesponding stress values and coresponding stress values s after decimal pont using Gerber criterion after decimal point

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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Concept explainers

Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.

Question

The mounting arm shown in the figure below is to be made of machined AISI 1050 CD steel and is subjected to the aial force 120 An cyces repeatedy from tension to compression, and the completely reversitie cycd
torsional moment of T25AN Assume the component is operating at room temperature of 0 and the material has sos refiablity factor. Aso asume K138 and-132
56 mm D
r=3 mm
%3D
50 mm D
1. Identity the critical location(s) of stress and show it clearly in a diagram
2 Identify cleary, all the components of stresses (at the critical point) that will be calculated (by drawing and clearly showing the XYZ axes) and show it in a matrix form Show which components of stresses will have a va
zero or non-zero
3. Calculate the principar stresses and principal directions. Show the principal stresses dearty in a stress element with respect to original XYZ coordinate system
4. Clearly show the calculations for all the 6 Marin factors (Use only the formula sheet provided in the beginning of the test) and calculate the endurance limit, s,
5 Calculate the amplitude and mean value of axial force and coresponding stress values
a. Calculate the ampitude and mean value of torque and corresponding stress values.
7. Calculate the fatigue factor of satety upto 4 digits after decimal point using Gerber criterion
8 Calculate the yield factor of safety, upto 4 digits after decimal point
0. Does the component fail or does not fal?
10. Cauloulate the numer of cycles to failure

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