MORPHOLOGY AND SURFACE ROUGHNESS ANALYSIS OF COATED FeCrAl FOIL FOR CATALYTIC CONVERTER APPLICATION (original) (raw)

2018

Abstract

Transportation sector contribute high air pollutant that mainly consists of three major pollutants such as Nitrogen Oxide (NO), Carbon Monoxide (CO) and Hydro Carbon (HC). One of the factors of ineffective pollutant conversion is coating quality of catalytic converter. Therefore, this study proposed coating technique by high speed bubbles ultrasonic bath approach. Ultrasonic Bath (UB) was carried out by various holding time of 1, 1.5, 2, 2.5 and 3 h with fixed frequency of 35 kHz. Meanwhile, for Ultrasonic Bath during Electroplating (UBdEL) was carried out by 15, 30, 45, 60 and 75 minutes holding time with voltage of 12 V and current of 1.28 A/dm2, NiO as anode and FeCrAl as cathode material and fixed frequency of 35 kHz. The average of surface roughness analysis of UB samples of 0.154, 0.122 and 0.156 µm for measurement 1, 2 and 3, respectively. Surface roughness for UBdEL samples are 1.182, 2.442 and 1.808 µm for measurement 1, 2 and 3, respectively. It can be linked with microstr...

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