Abstract
Nylon 6 is one of the engineered thermoplastics which is known for its wear and chemical resistance properties. Also, the addition of hard oxide particles (e.g., Zirconium oxide (ZrO2)) into thermoplastics ensures the tuning of wear, mechanical and rheological properties. In this study, the melt flow and wear properties were investigated by varying the ZrO2 loading (up to 30% by weight) into the recycled nylon 6 polymer matrix. The melt flow rate of recycled Nylon 6-ZrO2 composite was measured as per the ASTM D1238 Standard. Further, wear rate & coefficient of friction (COF) were investigated. It has highlighted that the COF, melt flow index (MFI), and wear rate were greatly impacted by ZrO2 loading. It has been observed that the 70:30 ratio (by wt% of Nylon 6- ZrO2) has the lowest wear (200 µm) and COF (1.8). The results have confirmed that Nylon-30% ZrO2-based composite is a potential candidate for 3D printing in rapid tooling applications.
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