Scheme: 3 Sem Diploma ME:
Syllabus 3 Sem Diploma ME:
DTME 303: SOM Syllabus:
Unit-I
Introduction: Mechanical Properties, Stress- strain, uni-axial, bi-axial and tri-axial stresses, tensile & compressive stresses, shear stress, Stress Strain Diagram, Poisson’s Ratio, Modulus of elasticity, Modulus of rigidity, Bulk modulus, Factor of safety, Volumetric Strain, Deformation of tapering members, Deformation due to self-weight, bars of varying sections, composite sections, principle of superposition, strain energy.
Unit-II
Compound Stresses: Transformation of stress and strain, principal stresses, normal and shear stress, Mohr’s circle and its application to two and three dimensional analyses, Thermal Stress and its applications, Stresses in thin walled pressure vessel.
Unit-III
Bending and Deflection: Bending: pure bending, symmetric member, deformation and stress, bending of composite sections, eccentric axial loading, and shear stress in beams, Deflection of beams, equation of elastic curve, Macaulay’s method and Area moment method for deflection of beams.
Unit-IV
Torsion & Moment of Inertia: Torsion of circular shafts-solid and hollow, stresses in shafts when transmitting power, Strength of Shaft of varying sections and composite shaft, combined bending and torsion, strain energy due to torsion, Concept of Moment of Inertia. Radius of gyration: Parallel axis theorem, Perpendicular axis theorem.
Moment of Inertia of various sections: Rectangle, Triangle, Circle. Moment of inertia of unsymmetrical section like: T-section, channel section, L-section etc.
Unit-V
Columns and Theories of Failure: Buckling load, Types of end conditions for column, Euler’s column theory and its limitations, Rankine- Gordon Formula.
Theories of failures: Maximum principal stress theory, Maximum principal strain theory, maximum shear stress theory, maximum strain energy theory, maximum shear strain energy theory; application of theories to different materials and loading conditions
Reference Books:
1. Strenght of Materials, Dr. R.K. Bansal, Lakshmi Publications, New Delhi.
2. Strength of Materials, Basavarajaiah and Mahadevappa, Khanna Publishers, New Delhi.
3. Mechanics of Materials, James M. Gere (5th Edition), Thomson Learning
4. Strength of Materials—S. Ramamrutham, Dhanpat Rai Pvt. Ltd.
5. Mechanics of Materials—S. S. Rattan, TMH Pvt. Ltd.
6. Strength of Materials, Subramanyam, Oxford University Press, Edition 2005
7. Elements of Strength of Materials, Timoshenko and Young Affiliated East-West Press
8. Mechanics of Structures—S. B. Junnarkar, Charotar Publication.
9. Mechanics of Materials, B.C Punmia Ashok Jain, Arun Jain, Lakshmi Publications, New Delhi.
10. Strength of Materials, S.S. Bhavikatti, Vikas Publishing House Pvt Limited.
List of Experiments
1. Perform Brinell and Rockwell Hardness tests to find BHN and RHN for given specification.
2. Perform Izod/ Charpy impact test.
3. Perform Fatigue test
4. Perform Torsion test
5. To find tensile strength of given specimen by tensile test on MS and CI using UTM
6. Perform Direct/cross Shear test on MS and CI by UTM
SOM Lab Mannual: (Rough Draft)
Assignments:
SOM: AS: 1.1:
Sunil Pipleya 