Strain:

While stress is present strain will be included also. There are two categories of strain will be elaborates in this lesson.            Personnel required to be aware how strain might be applied and how it affects the elements.

DEFINE the subsequent terms:

a. Strain

b. Plastic deformation

c. Proportional limit

IDENTIFIES the two general forms of strain.

DISTINGUISH among the two general forms of strain according to dimensional change.

STATE how iron crystalline lattice structures, γ and α, deform under load.