Wettability of MnxSiyOz by liquid Zn-Al alloys

Yunkyum Kim; Minsoo Shin; Chengying Tang; Joonho Lee

doi:10.1007/s11663-010-9366-4

Wettability of Mn_xSi_yO_z by liquid Zn-Al alloys

Yunkyum Kim, Minsoo Shin, Chengying Tang, Joonho Lee

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

The wettability of Mn_xSi_yO_z 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 _xSi_yO_z 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 language	English
Pages (from-to)	872-875
Number of pages	4
Journal	Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume	41
Issue number	4
DOIs	https://doi.org/10.1007/s11663-010-9366-4
Publication status	Published - 2010 Aug

Bibliographical note

Funding Information:
We greatly appreciate the financial support provided by POSCO for this study.

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

Access to Document

10.1007/s11663-010-9366-4

Cite this

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title = "Wettability of MnxSiyOz by liquid Zn-Al alloys",

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.",

author = "Yunkyum Kim and Minsoo Shin and Chengying Tang and Joonho Lee",

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AU - Kim, Yunkyum

AU - Shin, Minsoo

AU - Tang, Chengying

AU - Lee, Joonho

N1 - Funding Information: We greatly appreciate the financial support provided by POSCO for this study.

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N2 - 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.

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