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Note for Design of Machine Elements - DME By Ruby Mishra

  • Design of Machine Elements - DME
  • Note
  • Kalinga Institute of Industrial Technology - KIIT
  • Mechanical Engineering
  • 4 Topics
  • 2055 Views
  • 53 Offline Downloads
  • Uploaded 1 year ago
Ruby Mishra
Ruby Mishra
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Topics ( 4 )

Stress Concerntration 1 Design for Dynamic loading 9 Endurance Limit 18 Design for Material 29
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Text from page-1

Stress Concentration Localization of high stresses due to irregularities present in the component and the abrupt changes of the cross-section

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Concept of Stress Concentration Theoretical stress concentration factor, Kt Maximum stress at the discontinuity Nominal stress, max stress with no discontinuity Kt is used for normal stresses and Kts for shear stresses.

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Mathematical method 2a K t  1 b 2a K t  1 r

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Experimental Method

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Lecture Notes