body centred cubic

face centred cubic

hexagonal close packed

cubic structure

body centred cubic

face centred cubic

hexagonal close packed

cubic structure

body centred cubic

face centred cubic

hexagonal close packed

cubic structure

the points where no further change oc-curs

constant for all metals

the points where there is no further flow of metal

the points of discontinuity

0.1 to 1.2%

1.5 to 2.5%

2.5 to 4%

4 to 4.5%