PART - A

Unit - 1

Introduction: Definitions: Normal, Shear, Biaxial and Tri Axial Stresses, Stress Tensor, Principal Stresses. Engineering Materials and their Mechanical properties, Stress-Strain diagrams, Stress Analysis, Design considerations: Codes and Standards.                               

5 Hours

Unit - 2

Design for Static & Impact Strength: Static Strength: Static loads and Factor of Safety, Theories of failure. Maximum Normal Stress Theory, Maximum Shear Stress Theory, Distortion Energy Theory; Failure of Brittle Materials, Failure of Ductile Materials. Stress Concentration, Determination of Stress Concentration Factor. Impact Strength: Introduction, Impact Stresses due to Axial, Bending and Torsional loads, Effect of Inertia. 

7 Hours

Unit - 3

Design for Fatigue Strength: Introduction- S-N Diagram, Low Cycle Fatigue, High Cycle Fatigue, Endurance Limit, Endurance Limit. Modifying Factors: Size effect, Surface effect, Stress Concentration effects. Fluctuating Stresses, Goodman and Soderberg relationship; Stresses due to Combined Loading, Cumulative Fatigue Damage.

8 Hours

Unit - 4

Threaded Fasteners: Stresses in Threaded Fasteners, Effect of Initial Tension, Design of Threaded Fasteners under Static, Dynamic and Impact loads, Design of Eccentrically loaded Bolted Joints.        

6 Hours

PART - B

Unit - 5

Design of Shafts: Torsion of Shafts, Design for strength and Rigidity with Steady loading, ASME & BIS codes for Power Transmission shafting, Shafts under Fluctuating loads and Combined loads.   

7 Hours

Unit - 6

Cotter joint and Knuckle joints, Keys and Couplings: Design of Cotter and Knuckle Joints, Keys: Types of keys, Design of Keys and Design of Splines. Couplings: Rigid and Flexible Couplings: Flange Coupling, Bush and Pin type Coupling and Oldham’s Coupling.

7 Hours

Unit - 7

Riveted and Welded Joints: Types, Rivet Materials, Failures of Riveted Joints, Joint Efficiency, Boiler Joints, Tank and Structural Joints, Riveted Brackets. Welded Joints – Types, Strength of Butt and Fillet welds, Eccentrically loaded Welded Joints.

7 Hours

Unit - 8

Power Screws: Mechanics of Power Screw, Stresses in Power Screws, Efficiency and Self-locking, Design of Power Screw, Design of Screw Jack: (Complete Design).

5 Hours

Design Data Hand Books:

1. Design Data Hand Book – K. Lingaiah, McGraw Hill, 2^nd Ed. 2003.
2. Design Data Hand Book – K. Mahadevan and Balaveera Reddy, CBS Publication
3. Machine Design Data Hand Book – H.G. Patil, Shri Shashi Prakashan, Belgaum.
4. PSG Design Data Handbook PSG College of Technology, Coimbatore.

Text Books:

1. Mechanical Engineering Design: Joseph E Shigley and Charles R. Mischke. McGraw Hill International edition, 6^th Edition 2003.
2. Design of Machine Elements: V.B. Bhandari, Tata McGraw Hill Publishing Company Ltd., New Delhi, 2^nd Edition 2007.

Reference Books:

1. Machine Design: Robert L. Norton, Pearson Education Asia, 2001.
2. Design of Machine Elements: M. F. Spotts, T. E. Shoup, L. E. Hornberger, S. R. Jayram and C. V. Venkatesh, Pearson Education, 2006.
3. Machine Design: Hall, Holowenko, Laughlin (Schaum’s Outlines series) Adapted by S.K. Somani, Tata McGraw Hill Publishing Company Ltd., New Delhi, Special Indian Edition, 2008.
4. Fundamentals of Machine Component Design: Robert C. Juvinall and Kurt M Marshek, Wiley India Pvt. Ltd., New Delhi, 3^rd Edition, 2007.