Co-Deposition of Al-Cr and Al-Ni Alloys using Potential Pulse Technique in Molten Salt | Zendy

Mikito Ueda | Zendy

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Co-Deposition of Al-Cr and Al-Ni Alloys using Potential Pulse Technique in Molten Salt

Author(s) -

Mikito Ueda

Publication year - 2004

Publication title -

ecs proceedings volumes

Language(s) - English

Resource type - Journals

eISSN - 2576-1579

pISSN - 0161-6374

DOI - 10.1149/200424.0911pv

Subject(s) - electrolysis , molten salt , deposition (geology) , alloy , materials science , metallurgy , pulse (music) , salt (chemistry) , constant (computer programming) , analytical chemistry (journal) , chemistry , electrode , voltage , electrolyte , environmental chemistry , paleontology , physics , quantum mechanics , sediment , biology , computer science , programming language

TiAl inter-metallic compound is may be one of the next turbine blade materials of internal combustion engine. However the corrosion resistance of TiAl is not enough in a high temperature area. To improve the oxidation resistance in high temperature, we have proposed electroplating of Al-Cr alloy on TiAl in a molten salt as a surface treatment of TiAl, and reported that the corrosion resistance by high temperature oxidation of TiAl was improved by the AlCr electroplating.[1] Ni-Al alloy layer may also be effective for improvement of high temperature oxidation of TiAl. In this study, we investigated co-deposition of Al-Cr and Al-Ni alloy from AlCl3-NaCl-KCl molten salt containing CrCl2 and NiCl2 at 423 K.

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