Introduction to Engineering-Materials 2.1 Stress-Strain Curve Elastic Limit Point B is called the elastic limit. - For loading between points A and B,the material continues to behave elastically It will spring back upon removal of the force,but the stress and strain are no longer proportional D B E Elastic limit Strain.a Shanghai Jiao Tong University 10 Introduction to Engineering H.ShaoIntroduction to Engineering Introduction to Engineering —— Materials Materials Shanghai Jiao Tong University Shanghai Jiao Tong University Introduction to Engineering Introduction to Engineering H. Shao 10 2.1 Stress-Strain Curve Elastic Limit – Point B is called the elastic limit. – For loading between points A and B, the material continues to behave elastically – It will spring back upon removal of the force, but the stress and strain are no longer proportional Strain,ε Stress, σ A B C D E Elastic limit