Abstract
The current work involves producing the functionally graded material (Al-PTFE) utilizing the powder metallurgy technique. The proposed graded materials include three, four, and five layers. Each layer consists of PTFE and Al particles with an average diameter of 200nm and 25 micrometers, respectively. The powders were blended, formed into cylindrical shapes, and then sintered in an inert environment furnace. The microstructural and morphological properties of the graded materials are studied using XRD and SEM images. The prepared graded materials' porosity density and hardness are measured experimentally. The results of XRD and SEM images reveal that the FGMs are successfully developed without any separation or crack formation and that PTFE was uniformly dispersed throughout the layers with particle concentrations of 25 and 50 wt%. Al. The obtained results also reveal that the density of various FGMs was comparable to that of PTFE.
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