Investigation of Morphology and Corrosion Behavior of Electroless Ni-P Coating on Mg-7Li Alloy with Different Pre-treatments

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GHADERI M.; MONIRVAGHEFI S.M.

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Journal: Journal of Metallurgical and Materials Engineering Year:2018 | Volume:29 | Issue:1 Page(s): 43-52

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Title

Investigation of Morphology and Corrosion Behavior of Electroless Ni-P Coating on Mg-7Li Alloy with Different Pre-treatments

Author(s)

GHADERI M. | MONIRVAGHEFI S.M. | Issue Writer Certificate

Keywords

Mg-7LiQ2

Electroless CoatingQ2

Ni-PQ2

Pre-treatmentQ2

Corrosion PropertiesQ2

Coating Adhesion PropertiesQ2

Abstract

In this study, morphology, mechanical and Corrosion Properties of Ni-P Electroless Coating was investigated using different Pre-treatments on the Mg-Li (MA21) alloy. The results show that adding 125 g/l chromium trioxide and 110 ml/l nitric acid to the pickling solution can increase the uniformity of the intermediate layer and reduce the porosity of the Ni-P Electroless Coating. The MgF2 and LiF layer uniformity leads to the increase in the number of coating nucleation sites and a fine morphology. The corrosion rate of the MA21 sample, Ni-P Electroless Coating sample with 125 g/l CrO3 and 110 ml/l HNO3 was 63, 87 and 4 mpy, respectively. The test results of Ni-P Electroless Coating adhesion with pretreatment number 2 was double that of pretreatment number 1.

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APA: Copy

GHADERI, M., & MONIRVAGHEFI, S.M.. (2018). Investigation of Morphology and Corrosion Behavior of Electroless Ni-P Coating on Mg-7Li Alloy with Different Pre-treatments. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 29(1 ), 43-52. SID. https://sid.ir/paper/196042/en

Vancouver: Copy

GHADERI M., MONIRVAGHEFI S.M.. Investigation of Morphology and Corrosion Behavior of Electroless Ni-P Coating on Mg-7Li Alloy with Different Pre-treatments. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2018;29(1 ):43-52. Available from: https://sid.ir/paper/196042/en

IEEE: Copy

M. GHADERI, and S.M. MONIRVAGHEFI, “Investigation of Morphology and Corrosion Behavior of Electroless Ni-P Coating on Mg-7Li Alloy with Different Pre-treatments,” JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 29, no. 1 , pp. 43–52, 2018, [Online]. Available: https://sid.ir/paper/196042/en

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