How is the fracture point related to the stress-strain curve of a material?

The fracture point is the point at which a material breaks under stress.

The stress-strain curve of a material is a graphical representation of the relationship between stress and strain. The curve shows how a material responds to stress, and how it deforms under strain. The curve is typically divided into three regions: elastic, plastic, and fracture.

In the elastic region, the material deforms elastically, meaning that it returns to its original shape when the stress is removed. In the plastic region, the material deforms plastically, meaning that it does not return to its original shape when the stress is removed. In the fracture region, the material breaks under stress.

The fracture point is the point at which the material breaks under stress. It is typically located at the end of the stress-strain curve, after the plastic region. The fracture point is an important parameter for engineers and materials scientists, as it determines the maximum stress that a material can withstand before it breaks. By analysing the stress-strain curve, engineers can determine the fracture point and design materials that can withstand the stresses they will be subjected to in real-world applications.