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Title

Electrodeposition parameters optimization for enhanced the performance of nickel and Ni-TiO2 coatings

Year: 1398
COI: IMES13_432
Language: EnglishView: 158
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Authors

Romina Donyadari - Master of Science student at material engineering , Amirkabir University.
Seyed Mohammad Mousavi Khoee - Associated Professor, Amirkabir University.

Abstract:

Nickel and Ni-TiO2 coatings were synthesized through electrodeposition from watts bath on copper substrate. Ni coat from additive-free watts bath revealed good corrosion resistance but poor mechanical properties and rough surface. Watts bath has been modified with different amounts of sodium saccharin to decrease the grain size and improve micro-hardness and wear resistance of the coating. The grain size decreased from 25nm to 12nm which caused very smooth and uniform surface. The micro-hardness of the coating increased from 170 HV50 for simple Ni to 500 HV50 for modified Nickel. The effects of current density, temperature and additives on the properties of nickel coating was studied. Ni-TiO2 coat was electroplated by adding different amounts of TiO2 sol-gel into the watts bath, to study the effect of TiO2 sol concentration on the corrosion and mechanical behavior of the coating. Titanium (IV) butoxide was used as the source of Titanium. Effect of sulfur amount on X-ray diffraction and corrosion behavior of nickel coat has studied. Surface morphology, surface roughness, chemical and phase compositions of the coatings were also investigated by XRD, SEM and electrochemical techniques.

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This Paper COI Code is IMES13_432. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/965074/

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Donyadari, Romina and Mousavi Khoee, Seyed Mohammad,1398,Electrodeposition parameters optimization for enhanced the performance of nickel and Ni-TiO2 coatings,8th International Conferenece and Exhibition on Materials Engineering and Metallurg,Tehran,https://civilica.com/doc/965074

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Type of center: دانشگاه دولتی
Paper count: 21,208
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