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SCI Article

Influence of calcium nitrate on morphology and corrosion characteristics of ammonium phosphate treated Aluminum coating deposited by arc thermal spraying process

	성명	이한승 ()
	소속	공학대학 건축공학전공
	캠퍼스
	우수선정주	2019년 01월 1째주

Author

이한승 (Dept Architectural Engn) corresponding author; Singh, Jitendra Kumar (Dept Architectural Engn);

Corresponding Author Info

Singh, JK (reprint author), Hanyang Univ, Dept Architectural Engn, 1271 Sa 3 Dong, Ansan 15588, South Korea.

E-mail

ercleehs@hanyang.ac.kr

Document Type

Article

Source

CORROSION SCIENCE Volume:146 Issue: Pages:254-268 Published:2019

Times Cited

External Information

http://dx.doi.org/10.1016/j.corsci.2018.10.035

Abstract

In present study Al coating was deposited by arc thermal spraying process thereafter treated with different concentration of Ammonium phosphate mono basic (NH4H2PO4) and 0.1 M calcium nitrate [Ca(NO3)(2)] to fill the porosity. Impedance values of treated coating was increased at longer duration of exposure in artificial ocean water due to transformation of Brushite and Ammonium Aluminum hydrogen phosphate hydrate into metastable and sparingly soluble gypsum and Aluminum phosphate. 0.1 M Ca(NO3)(2) has positive influenced with 1 M NH4H2PO4 on formation of compact and crystalline morphology as well as corrosion resistance of Al coating.

Web of Science Categories

Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering

Funding

basic science research program through the National Research Foundation (NRF) of Korea - Ministry of Science, ICT and Future Planning [2015R1A5A1037548]

Language

English

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