Study of Surface Roughness of Machined Polymer Composite Material

Table 1

Mechanical properties of tested material (tensile strength test).

Number of samples	Ultimate tensile strength [Mpa]	Relative elongation [%]	Reduction [%]
1	24	2.8	2.0
2	15	2.9	0.4
3	24	3.4	0.8
4	15	5.1	0.4
5	Defect