Morphological and microstructural evolutions of manganese phosphate coating formed in Ni2+ ion containing electrolyte

C. M. Wang, W. T. Tsai, Y. P. Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The effect of Ni2+ ion in a phosphating solution on the formation of phosphate compound on steel surface is studied. Experimental results indicate that Ni2+ promotes the nucleation of the formation of phosphate compound. The number of nucleation sites increases and the particle size decreases as the Ni2+ ion concentration in the phosphating solution increases. The presence of Ni2+ ions in the coating solution strongly influences the surface morphology and the distributions of Ni, Cr, Mo and V in the phosphate layer. The manganese phosphate coating is a two layered structure which consists of an iron rich inner layer and a Mn rich outer layer. The reduced Ni strips that are located near the centre of the phosphate compound mark the initial substrate surface before phosphating.

Original languageEnglish
Pages (from-to)392-397
Number of pages6
JournalSurface Engineering
Volume24
Issue number5
DOIs
Publication statusPublished - 2008 Sep 1

Fingerprint

Phosphate coatings
Microstructural evolution
Electrolytes
Manganese
manganese
phosphates
Phosphates
electrolytes
Ions
coatings
ions
Nucleation
nucleation
Steel
Surface morphology
ion concentration
Iron
Particle size
coating
strip

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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abstract = "The effect of Ni2+ ion in a phosphating solution on the formation of phosphate compound on steel surface is studied. Experimental results indicate that Ni2+ promotes the nucleation of the formation of phosphate compound. The number of nucleation sites increases and the particle size decreases as the Ni2+ ion concentration in the phosphating solution increases. The presence of Ni2+ ions in the coating solution strongly influences the surface morphology and the distributions of Ni, Cr, Mo and V in the phosphate layer. The manganese phosphate coating is a two layered structure which consists of an iron rich inner layer and a Mn rich outer layer. The reduced Ni strips that are located near the centre of the phosphate compound mark the initial substrate surface before phosphating.",
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Morphological and microstructural evolutions of manganese phosphate coating formed in Ni2+ ion containing electrolyte. / Wang, C. M.; Tsai, W. T.; Lee, Y. P.

In: Surface Engineering, Vol. 24, No. 5, 01.09.2008, p. 392-397.

Research output: Contribution to journalArticle

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