Abstract
The main objective of the research was to study the influence of the abrasive water jet cutting (AWJC) parameters on the surface roughness parameters Rz1max and Rt, obtained when processing Kevlar fiber-reinforced polymers (KFRP). For this purpose, a full factorial experimental program was designed and roughness evaluations were carried out in two different zones of the cut slot. In this way, it was possible to test the statistical significance of the input parameters effects and characterize both these regions, by means of prediction models proposed for each roughness parameter. Finally, response surfaces and level curves were represented to facilitate the selection of proper factors combination to achieve surface finish requirements.
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