Grain Structure And Boundary:

Metals hold crystal and grains structures. The individual requires a microscope to look the crystal and grains structures. Grains and grain boundaries help determine the categories of a material.

DEFINE the subsequent terms:

a. Grain

b. Grain structure

c. Grain boundary

d. Creep

If you were to take a small section of a common metal and examine it under a microscope then you would see a structure same to that display in below figure.  Every of the light areas are known as a grain, or crystal, that is the region of space occupied through a continuous crystal lattice.  Dark lines surrounding the grains are grain boundaries. A grain formation refers to the arrangement of the grains within a metal, along with a grain having a particular crystal structure.