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Preparation, wear resisting property and application of mwcnts/ni composite coating for sewing needles
, Anandha Moorthy A., Sundaresan S., Prakash C.
Published in Blue Eyes Intelligence Engineering and Sciences Publication
2018
Volume: 8
   
Issue: 2
Pages: 143 - 147
Abstract
In this research work, multiwall carbon nanotube (MWCNT) based nickel coating is prepared and deposited on unfinished metal made sewing needle by employing electrochemical process. The coating thickness was attained to 3 microns per 90 minutes. The microstructure, micro-hardness, friction and wear properties of the Nickel-MWCNTs coatings were investigated and discussed. The uniformity and presence of primary components in the coating layer were observed and confirmed through scanning electron microscope. The friction and wear behavior of the coated and uncoated samples were tested on a pin-on disc tester. The specific wear rate of the coated sewing needle is improved significantly than the uncoated sewing needle; the co-efficient of friction of the coated needle is reduced to 2.1. The surface roughness of the coatings was measured by employing portable surface roughness tester. The surface roughness Ra of the coated sample is improved to 0.095. The Vickers hardness of the coated needle is improved to 63 compared with the uncoated needle. © BEIESP.
About the journal
JournalInternational Journal of Engineering and Advanced Technology
PublisherBlue Eyes Intelligence Engineering and Sciences Publication
ISSN22498958
Open AccessNo