When one applies a constant tensile force the material will break after reaching the tensile strength. The material starts necking (the transverse area decreases) but the stress cannot increase beyond tensile strength. The ratio of the force to the initial area, what we normally do, is called the engineering stress. If the ratio is to the actual area (that changes with stress) one obtains the true stress.
Posted inMaterial Science
True Stress and Strain
Suresh Kumar is a passionate mechanical engineer with deep expertise in design, thermodynamics, manufacturing, and automation. With years of experience in the industry, they simplify complex engineering principles into practical insights for students, professionals, and enthusiasts. This blog serves as a hub for exploring cutting-edge innovations, fundamental concepts, and real-world applications in mechanical engineering.