Improving the Mechanical Properties of a Machine Component of a Fishing-Net Weaving Machine by Duplex Coating

Naphatara Intanon; Charnnarong Saikaew; Anurat Wisitsoraat; Parinya Srisattayakul

doi:10.4028/www.scientific.net/AMR.1016.90

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1016Improving the Mechanical Properties of a Machine...

Improving the Mechanical Properties of a Machine Component of a Fishing-Net Weaving Machine by Duplex Coating

Abstract:

In this study, the mechanical properties of a weaving machine component made of cast stainless steel are improved by the duplex coatings of electroplated hard-chrome and sputtered metal nitride layers. The effects of the first and second coat layers of three metallic nitrides, including TiN, TiN-Ni and NiN, were comparatively studied. The structural characteristics of the coating materials were studied by scanning electron microscopy, energy dispersive X-ray spectroscopy and X-ray diffraction. Vicker hardness was then measured by nanoindenter. It was found that the duplex coating surfaces gives better surface quality than those of single-layer coated ones. In addition, the hardness of single-layer coating either with hard-chrome or metal nitride was only 2-3 times higher than uncoated ones whereas duplex coating with both layers synergistically increases the hardness by a factor of 7-8. Moreover, duplex coating with TiN exhibits relatively high hardness compared with other metal nitrides.

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Periodical:

Advanced Materials Research (Volume 1016)

Pages:

90-94

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1016.90

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Online since:

August 2014

Authors:

Naphatara Intanon, Charnnarong Saikaew*, Anurat Wisitsoraat, Parinya Srisattayakul

Keywords:

Duplex Coating, Electroplating, Hardness, Sputtering, Weaving Machine

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