PENGARUH JARAK NOZZLE DAN KOMPOSISI KOMPOSIT RAM PADA PELAPISAN BAM DAN PANI SEBAGAI MATERIAL ABSORBEN MENGGUNAKAN SPRAY GUN
AbstractRadar can be detected based on the radar cross section where RCS as tool to reduce the radar value. RCS has four designs, one of which is Radar Absorbing Material. RAM is used to detect and measure distances against enemies. In this study, Barium M-Hexaferrite (BaM) was used as magnetic material and a conductive polymer Polyaniline (PANi) as an electrical material. Barium M-Hexaferrite this study with Cu doping which has a radius of 0.71 nm. Polyaniline is a material that is able to conduct electricity and can be used to protect electromagnetic waves generated from electricity. Both materials are coated with jotun epoxy paint which will be applied to the black steel plate using the spray gun method. The research was shown the nozzle distance (10, 15, 20 cm) and the composition of RAM (19.8, 1.76, 0.30 gr). Tests using thickness, hardness, XRD, Roughness, SEM, FTIR, and VNA. From the data that has been obtained, good absorption is known from the VNA, namely at a nozzle distance of 20 cm with a reflection loss value of -5.6262 db at an absorption frequency of 11.18 GHz and the value of the composite RAM composition is 0.30 gr with a reflection loss value of - 5.6262 db. Keywords : Composite RAM, BaM, PANI, spray gun and reflection loss
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