材料力学

About the AuthorsPreface 1 Introduction 1-1 Engineering and the Mechanics of Materials 1-2 Units and Numbers International System of Units U.S.Customary Units Use of Numbers 1-3 Review of Statics Free-Body Diagrams Equilibrium Structures Centroids Distributed Forces Problems

About the AuthorsPreface 1 Introduction 1-1 Engineering and the Mechanics of Materials 1-2 Units and Numbers International System of Units U.S.Customary Units Use of Numbers 1-3 Review of Statics Free-Body Diagrams Equilibrium Structures Centroids Distributed Forces Problems 2 Measures lf Stress and strain 2-1 Strains Traction,Normal Stress,and Shear Stress Average Stresses 2-2 Strains Extensional Strain Shear Strain Chapter Summary Problems 3 Axially Loaded Bars 3-1 Stresses in Prismatic Bars Stresses on Perpendicular planes Stresses on oblique planes 3-2 Strains in prismatic bars Axial Strain and Modulus of Elasticity Lateral Strain and Poissons Ratio 3-3 Statically Indeterminate Problems Example Flexibility and stiffness Methods 3-4 Nonprismatic Bars and Distributed Loads Bars with Gradually Varying Cross Sections Distributed Axial Loads 3-5 Thermal Strains 3-6 Material Behavior Axial Force Tests Other Aspects of Material Behavior 3-7 Design Lssues Allowable Stress Other Design Considerations Chapter Summary Problems 4 Torsion 4-1 Pure Shear Stress State of Stress Shear Modulus Stresses on Oblique Planes 4-2 Torsion of Prismatic Circular Bars Stresses and Strains Polar Moment of Inertia Positive Directions of the Torque And Angle of Twist 4-3 Statically Indeterminate Problems 4-4 Nonprismatic Bars and Bistributed Loads Bars with gradually varying cross sections Distributed Torxional Loads 4-5 Torsion of an Elastic-Pertectly Plastic Circular Bar 4-6 Torsion of Thin-walled Tubes Stress Angleof Twist 4-7 Design lssues Cross Sections Allowable stress Chapter Summary Problems 5 States of Stress 6 States of Strain 7 Internal Forces and Moments in Beams 8 Stresses in Beams 9 Deflections of Beams 10 Buckling of columns 11 Energy Methods 12 Criteria for Failure and Fracture Appendices A Pesults from Mathematics B Material Properties C Centroids and Moments of lnertia D Properties og areas E Deflections and Slopes of Prismatic Beams F Isotropic Stress-Strain Relations G Answers to Even-Numbered Problems Index

本书包括大量例题和习题，并附有偶数号习题的答案。 本书是一本以精简材料力学原有教学内容为基础，吸收固体力学中应力、应变一般概念、广义虎克定律、失效与断裂准则等重要内容，并加强与工程设计应用相结合的新型材料力学教材，反映了美国材料力学课程教学改革的一种动向，可以作为我国高等院校材料力学或工程力学课程的英文教材或教学参考书。

本书特色： ● 概念清晰、重点突出、叙述简明。 ● 以精简材料力学原有教学内容为基础，吸收固体力学中应力、应变、广义虎克定律等重要基本概念，是反映美国材料力学教学改革动向的新型教材。 ● 教材内容和例题与工程设计应用紧密结合。 ● 每章附有大量习题供学生练习，偶数号习题均有答案。