材料力学

preface
chapter 1  stresses and strains
　1.1  what is mechanics of materials
　1.2  basic assumptions of materials
　1.3  external forces
　1.4  internal forces
　1.5  stresses
　1.6  strains
　1.7  deformations of members
　problems
chapter 2  mechanical properties of materials
　2.1  tensile or compressive test
　2.2  tension of low-carbon steel
　2.3  ductile and brittle materials
　2.4  stress-strain curve of ductile materials without distinct yield point