Advances in Polymer Technology / 2021 / Article / Tab 8

Research Article

Preliminary Testing to Determine the Best Process Parameters for Polymer Laser Sintering of a New Polypropylene Polymeric Material

Table 8

Surface roughness of built test specimens.

AverageStandard deviation

Specimen 1Top surfaceRa (μm)20.2064.302
Bottom surfaceRa (μm)19.4762.043

Specimen 2Top surfaceRa (μm)21,0095.589
Bottom surfaceRa (μm)15.0381.450

Specimen 3Top surfaceRa (μm)20.1984.014
Bottom surfaceRa (μm)20.0752.382

Specimen 4Top surfaceRa (μm)19.6163.277
Bottom surfaceRa (μm)14.9572.190

Specimen 5Top surfaceRa (μm)20.7434.049
Bottom surfaceRa (μm)16.6523.359