Tests to be conducted
1. D256 - Izod Impact
2. D695 - Compression
3. D790 - Three Point Bending
D256 – Izod Impact
The plastic Izod specimens are 2.5 inches long and .5 x .5 inch square with a centered v shape notch of 45 degrees and a tip radius of .010” and is .100” deep from the surface.
Material laying – Orthogonal to direction of impact.
Infill pattern – Orthogonal to direction of impact
Test groups
a. Control group: Solid, no infill pattern. 5 specimen.
b. Variable groups (3): Infill pattern applied constant infill density and wall thickness. 5 specimens per pattern.
D695 – Compression Test
The plastic Izod specimens right cylinder that are .5 inches tall and have a base diameter of .5 inches.
Infill pattern – Orthogonal to direction of impact
*Loading is applied to round bases*
Test groups
a. Control groups (2): Solid, no infill pattern.
1. Control group 1: Material laying direction orthogonal to loading. 5 specimen.
2. Control group 1: Material laying direction axial to loading. 5 specimen.
b. Variable groups (3): Infill pattern applied constant infill density and wall thickness. 5 specimens per pattern.
D790 – Three Point Bending
The plastic three point bending specimens are 2.5 inches long and .5 x .5 inch square.
Material laying – Orthogonal to direction of impact.
Infill pattern – Orthogonal to direction of impact
Test groups
a. Control group: Solid, no infill pattern. 5 specimen.
b. Variable groups (3): Infill pattern applied constant infill density and wall thickness. 5 specimens per pattern.