I'm try to synthesize Ni-W alloy using DC electrodeposition. However, plenty of cracks were found in the Ni-W deposits with a relative high W content (approximately 20 wt.%). Is there any suggestions to improve the quality of deposits (removing cracking)? What kind of complex reagents or other additives are suggested? And what the optimal operating condition is ?
Dear Dr. Lin Yan,
I suggest you to have a look at the following papers:
-Electrochemical Deposition of Ni–W Crack-Free Coatings
Dmitriy V Suvorov, Gennadiy P. Gololobov, Dmitriy Tarabrin, Evgeny Vladimirovich Slivkin, Sergey Karabanov, Tolstogouzov A.
Coatings, 8(7) (2018)
Available on RG at: https://www.researchgate.net/publication/326131465_Electrochemical_Deposition_of_Ni-W_Crack-Free_Coatings
-Anti-corrosion and microstructural properties of Ni–W alloy coatings: effect of 3,4-Dihydroxybenzaldehyde
U. Pramod Kumar, S. Shanmugan, C. Joseph Kennady, S.M.A.Shibli
Heliyon, Volume 5, Issue 3, e01288 (2019)
Available at: https://www.sciencedirect.com/science/article/pii/S240584401837573X
-Electrodeposition of Ni-W & Ni-Mo under ultrasonication
PhD Thesis in MATERIALS SCIENCE AND ENGINEERING by Dr. Gautam Priyadarshan
University of Nevada, Reno (2009)
Available at: https://scholarworks.unr.edu/bitstream/handle/11714/4196/Priyadarshan_unr_0139D_10302.pdf?sequence=1&isAllowed=y
Best regards, Pierluigi Traverso
you can read this paper
Article Electrochemical Deposition of Ni–W Crack-Free Coatings
Dear Lin Yan, instead of looking for 'ready to use' optimal Processing' conditions, you should understand the origin of cracking and the different stresses involved. The essential bibliography is given by Dr. @Pierluigi Traverso, however please feel free to ask me for any document you need. My Regards
Dear Lin Yan, attached are some interesting documents. My Regards
Dear Lin Yan, the attached file gives a complete and clear answer to you question. The following quote is Taken from the abstract. My Regards
The optimum conditions for the electrodeposition of crack-free, homogeneous nanocrystalline Ni–W coatings were determined on the basis of the microstructure investigation results.
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