stress vs strain curve

4:31

17:46

11:15

11:15

19:45

10:23

5:29

6:59

45:21

46:21

8:04

15:06

10:13

7:26

8:30

4:36

16:08

26:26

15:11

10:01

10:01

10:22

10:01

6:49

کوتاه

1:05

3:00

2:53

3:32

1:27

3:28

1:04

1:55

1:38

1:42

1:39

1:52

1:04

1:38

1:55