Fast Injection Flow.
|
Specimen No.
|
Recordings/Results. (Any other
notes)
|
|
1
|
Shattered at 10cm
|
|
2
|
Shattered at 9cm
|
|
3
|
Shattered at 8cm
|
|
4
|
Shattered at 7cm
|
|
5
|
Shattered at 6cm
|
|
6
|
Shattered at 5cm (bounced back up when
falling)
|
|
7
|
Shattered at 4.5cm
|
|
8
|
Didn’t shatter at 4cm (cracked)
|
|
9
|
Didn’t shatter at 3.5cm (cracked)
|
|
10
|
Didn’t shatter at 3cm (cracked)
|
|
11
|
Didn’t shatter or crack at 2.5cm
(indent)
|
|
12
|
Didn’t shatter at 2.7cm (cracked)
|
|
13
|
Didn’t shatter at 2.6cm (cracked)
|
|
14
|
Didn’t shatter at 2.5cm (cracked)
|
|
15
|
Didn’t shatter at 2.3cm (cracked)
|
|
16
|
Didn’t break at 2cm (indent)
|
|
17
|
Didn’t break at 2cm (indent again)
|
|
18
|
Didn’t shatter at 2.2cm (cracked)
|
|
19
|
Didn’t break at 2.1cm (indent)
|
|
20
|
Didn’t shatter at 2.1cm (cracked)
|
It I proven
in the results above that the point in which the plastic started to fail was
around the 2.1cm mark.
Slow Injection Flow.
|
Specimen No.
|
Recordings/Results. (Any other
notes)
|
|
1
|
Shattered at 10cm
|
|
2
|
Shattered at 9cm
|
|
3
|
Shattered at 8cm
|
|
4
|
Shattered at 5cm
|
|
5
|
Shattered at 4cm
|
|
6
|
Didn’t shatter at 3cm (cracked)
|
|
7
|
Shattered at 2.5cm
|
|
8
|
Shattered at 2cm
|
|
9
|
Didn’t shatter at 1.5cm (cracked)
|
|
10
|
Didn’t break at 1cm (indent)
|
|
11
|
Didn’t break at 1.4cm (indent)
|
|
12
|
Didn’t break at 1.5cm (indent)
|
|
13
|
Didn’t shatter at 1.8cm (cracked
|
|
14
|
Didn’t shatter at 1.7cm (cracked)
|
|
15
|
Didn’t shatter at 1.6cm (cracked)
|
|
16
|
Didn’t break 1.5cm (indent)
|
|
17
|
Didn’t break at 1.5cm (indent)
|
|
18
|
Didn’t shatter at 1.6cm (cracked)
|
|
19
|
Didn’t break at 1.55cm (indent) no
crack
|
|
20
|
Didn’t break at 1.55cm (indent) small
internal crack!
|
It I proven
in the results above that the point in which the plastic started to fail was
around the 1.5cm mark.
These pictures show the results and apparatus of a Lab Test i done previously last year.
Toughness of Injection Molded Plastics.
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