CONTENTS 



PART I MECHANICS OF MATERIALS 



CHAPTER I 



ELASTIC PROPERTIES OF MATERIALS 



PAGES 

 Introductory. Subject-matter of the strength of materials 



Stress, strain, and deformation. Tension, compression, and shear. 



Unit stress. Unit deformation Strain diagrams. Hooke's 



law and Young's modulus. Poisson's ratio. Ultimate strength. 

 Elastic law. Classification of materials. Time effect. Fatigue 



of metals. Hardening effects of overstraining Fragility. 



Initial internal stress Annealing. Temperature stresses Effect 



of length, diameter, and form of cross section. Factor of safety. 

 Physical constants 1-19 



CHAPTER II 



I -TNDAMKNTAL RELATIONS BETWEEN STRESS AND 

 DEFORMATION 



Relations between the stress components Planar strain. Stress 



in different directions. Maximum normal stress. Principal 

 stresses. Maximum shear. Linear strain. Stress ellipse. 

 Simple shear. Coefficient of expansion. Modulus of elasticity of 

 shear. Relation between the elastic constants. Measure of strain. 



Combined bending and torsion 20-32 



CHAPTER III 

 ANALYSIS OF STRESS IN BEAMS 



System of equivalent forces. Common theory of flexure. Ber- 

 noulli's assumption. Curvature due to bending moment. Conse- 

 quence of Bernoulli's assumption Result of straight-line law 



Moment of inertia. Moment of resistance. Section modulus. 

 - Theorems on the moment of inertia. Graphical method of find- 

 ing the moment of inertia. Moment of inertia of non-homogeneous 

 M-rtio is. Inertia ellipse. Vertical reactions and shear. Maxi- 

 mum bending moment. Bending moment and shear diagrams. 



