Corrosion behavior of highly-crystallizable BaO-Nd2O3-TiO2-B2O3 glass-based composites

Seung Min Lee; Won Bae Lim; Yong Soo Cho

doi:10.1016/j.corsci.2012.08.062

Corrosion behavior of highly-crystallizable BaO-Nd₂O₃-TiO₂-B₂O₃ glass-based composites

Seung Min Lee, Won Bae Lim, Yong Soo Cho

Department of Materials Science and Engineering

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

5 Citations (Scopus)

Abstract

Acid corrosion behavior of highly-crystallizable BaO-Nd₂O₃-TiO₂-B₂O₃ glass/ceramic composites has been investigated when different types of filler (Al₂O₃ and BaTiO₃) and acid chemicals (HCl and H₂SO₄) are used. Higher levels of leaching of >35% were apparently observed with increasing leaching time up to 300min, particularly for the case of the BaTiO₃ filler in 10vol.% HCl. Apart from the extensive leaching of interior residual glass, preferential leaching of crystallized borate compounds of NdBO₃ and BaTi(BO₃)₂ rather than titanate compounds of BaNd₂Ti₅O₁₄ and Nd₂Ti₄O₁₁ was believed to be responsible for the unusually high leaching performance.

Original language	English
Pages (from-to)	399-403
Number of pages	5
Journal	Corrosion Science
Volume	66
DOIs	https://doi.org/10.1016/j.corsci.2012.08.062
Publication status	Published - 2013 Jan

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0017983 ).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

Access to Document

10.1016/j.corsci.2012.08.062

Cite this

@article{116fb9488482467aab9d53aeb52be117,

title = "Corrosion behavior of highly-crystallizable BaO-Nd2O3-TiO2-B2O3 glass-based composites",

abstract = "Acid corrosion behavior of highly-crystallizable BaO-Nd2O3-TiO2-B2O3 glass/ceramic composites has been investigated when different types of filler (Al2O3 and BaTiO3) and acid chemicals (HCl and H2SO4) are used. Higher levels of leaching of >35% were apparently observed with increasing leaching time up to 300min, particularly for the case of the BaTiO3 filler in 10vol.% HCl. Apart from the extensive leaching of interior residual glass, preferential leaching of crystallized borate compounds of NdBO3 and BaTi(BO3)2 rather than titanate compounds of BaNd2Ti5O14 and Nd2Ti4O11 was believed to be responsible for the unusually high leaching performance.",

author = "Lee, {Seung Min} and Lim, {Won Bae} and Cho, {Yong Soo}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0017983 ).",

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AU - Lee, Seung Min

AU - Lim, Won Bae

AU - Cho, Yong Soo

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AB - Acid corrosion behavior of highly-crystallizable BaO-Nd2O3-TiO2-B2O3 glass/ceramic composites has been investigated when different types of filler (Al2O3 and BaTiO3) and acid chemicals (HCl and H2SO4) are used. Higher levels of leaching of >35% were apparently observed with increasing leaching time up to 300min, particularly for the case of the BaTiO3 filler in 10vol.% HCl. Apart from the extensive leaching of interior residual glass, preferential leaching of crystallized borate compounds of NdBO3 and BaTi(BO3)2 rather than titanate compounds of BaNd2Ti5O14 and Nd2Ti4O11 was believed to be responsible for the unusually high leaching performance.

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