Wettability of MnxSiyOz by liquid Zn-Al alloys

Yunkyum Kim, Minsoo Shin, Chengying Tang, Joonho Lee

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The wettability of MnxSiyOz by liquid Zn-Al alloys was investigated to obtain basic information on the coating properties of high-strength steels with surface oxides in the hot-dip galvanizing process. In this study, the contact angles of liquid Zn-Al alloys (Al concentrations were 0.12 and 0.23 wt pct) on four different Mn xSiyOz oxides, namely MnO, MnSiO3, Mn2SiO4, and SiO2, were measured with the dispensed drop method. The contact angle did not change across time. With an increasing Al concentration, the contact angle was slightly decreased for MnO and Mn2SiO4, but there was no change for MnSiO3 and SiO2. With an increasing SiO2 content, the contact angle gradually increased by 54 wt pct to form MnSiO3, and for pure SiO2 substrate, the contact angle decreased again. Consequently, the MnSiO3 substrate showed the worst wettability among the four tested oxide substrates.

Original languageEnglish
Pages (from-to)872-875
Number of pages4
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume41
Issue number4
DOIs
Publication statusPublished - 2010 Aug 1

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wettability
Contact angle
Wetting
Oxides
Liquids
liquids
oxides
Substrates
zinc coatings
Galvanizing
high strength steels
High strength steel
coatings
Coatings

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Metals and Alloys
  • Mechanics of Materials
  • Materials Chemistry

Cite this

Wettability of MnxSiyOz by liquid Zn-Al alloys. / Kim, Yunkyum; Shin, Minsoo; Tang, Chengying; Lee, Joonho.

In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, Vol. 41, No. 4, 01.08.2010, p. 872-875.

Research output: Contribution to journalArticle

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