Question

explain stress strain and curves ​

Answer 1

Answer:

A stress-strain curve is a graphical representation of the behavior of a material when it's subjected to a load or force. The two characteristics that are plotted are stress on the y-axis and strain on the x-axis. Stress is the ratio of the load or force to the cross-sectional area of the material to which the load is applied. The standard units of measure for stress are pounds per square inch or Newtons per square meter squared.

Strain, on the other hand, is a measure of the deformation of the material as a result of the force applied. Deformation is a change in the shape or form of the material. For example, a person standing on the end of a diving board causes it to deform or bend as result of the weight or the force. There is no unit of measure for strain since it's a ratio of the deformation over the initial length. If for example, the strain measured is 0.05, this means that there are 0.05 inches of deformation for every inch of length.

Answer 2

Answer:

In engineering and materials science, a stress–strain curve for a material gives the relationship between stress and strain. It is obtained by gradually applying load to a test coupon and measuring the deformation, from which the stress and strain can be determined.

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