a rectangular stepped bar is shown. the bar is loaded in bending. determine the fatigue stress concentration factor if the ultimate stress of the material is 690 mPa. please inlcude how to calculate the notch sensitivity.
a rectangular stepped bar is shown. the bar is loaded in bending. determine the fatigue stress concentration factor if the ultimate stress of the material is 690 mPa. please inlcude how to calculate the notch sensitivity.
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 rectangular stepped bar is shown. the bar is loaded in bending. determine the fatigue stress concentration factor if the ultimate stress of the material is 690 mPa.
please inlcude how to calculate the notch sensitivity.
Transcribed Image Text:### Transcription of Mechanical Diagram and Annotations
**Diagram Explanation:**
The image depicts a mechanical component with various dimensions. It has a complex shape featuring a larger diameter at the base and a reduced diameter in the middle section. The diagram shows the application of moments, denoted by "M", at two points which are likely affecting its mechanical properties.
**Annotated Dimensions:**
- **r = 5 mm**: This indicates the radius of the curvature or fillet between the two sections of different diameters.
- **D = 50 mm**: The larger diameter of the component.
- **d = 40 mm**: The reduced diameter in the middle section.
- **b = 1 mm**: The width or thickness of the component at the reduced section.
This illustration is likely used for educational purposes in mechanical engineering to discuss the properties of materials, stress analysis, or design constraints. Understanding how dimensions and applied moments affect the component is crucial in such analyses.
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