Development of a new graded-porosity FeAl alloy by elemental reactive synthesis

P. Z. Shen; Y. H. He; H. Y. Gao; J. Zou; N. P. Xu; Y. Jiang; B. Y. Huang; C. T. Liu

doi:10.1016/j.desal.2009.06.012

Development of a new graded-porosity FeAl alloy by elemental reactive synthesis

P. Z. Shen, Y. H. He, H. Y. Gao, J. Zou, N. P. Xu, Y. Jiang, B. Y. Huang, C. T. Liu

化工学院

科研成果: 期刊稿件 › 文章 › 同行评审

34 引用（Scopus）

摘要

A new graded-porosity FeAl alloy can be fabricated through Fe and Al elemental reactive synthesis. FeAl alloy with large connecting open pores and permeability were used as porous supports. The coating was obtained by spraying slurries consisting of mixtures of Fe powder and Al powder with 3-5 μm diameter onto porous FeAl support and then sintered at 1100 °C. The performances of the coating were compared in terms of thickness, pore diameter and permeability. With an increase in the coating thickness up to 200 μm, the changes of maximum pore size decreased from 23.6 μm to 5.9 μm and the permeability decreased from 184.2 m³ m^{- 2} kPa^{- 1} h^{- 1} to 76.2 m³ m^{- 2} kPa^{- 1} h^{- 1}, respectively, for a sintering temperature equal to 1100 °C. The composite membranes have potential application for excellent filters in severe environments.

源语言	英语
页（从-至）	29-33
页数	5
期刊	Desalination
卷	249
期	1
DOI	https://doi.org/10.1016/j.desal.2009.06.012
出版状态	已出版 - 30 11月 2009

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title = "Development of a new graded-porosity FeAl alloy by elemental reactive synthesis",

abstract = "A new graded-porosity FeAl alloy can be fabricated through Fe and Al elemental reactive synthesis. FeAl alloy with large connecting open pores and permeability were used as porous supports. The coating was obtained by spraying slurries consisting of mixtures of Fe powder and Al powder with 3-5 μm diameter onto porous FeAl support and then sintered at 1100 °C. The performances of the coating were compared in terms of thickness, pore diameter and permeability. With an increase in the coating thickness up to 200 μm, the changes of maximum pore size decreased from 23.6 μm to 5.9 μm and the permeability decreased from 184.2 m3 m- 2 kPa- 1 h- 1 to 76.2 m3 m- 2 kPa- 1 h- 1, respectively, for a sintering temperature equal to 1100 °C. The composite membranes have potential application for excellent filters in severe environments.",

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AU - Shen, P. Z.

AU - He, Y. H.

AU - Gao, H. Y.

AU - Zou, J.

AU - Xu, N. P.

AU - Jiang, Y.

AU - Huang, B. Y.

AU - Liu, C. T.

PY - 2009/11/30

Y1 - 2009/11/30

N2 - A new graded-porosity FeAl alloy can be fabricated through Fe and Al elemental reactive synthesis. FeAl alloy with large connecting open pores and permeability were used as porous supports. The coating was obtained by spraying slurries consisting of mixtures of Fe powder and Al powder with 3-5 μm diameter onto porous FeAl support and then sintered at 1100 °C. The performances of the coating were compared in terms of thickness, pore diameter and permeability. With an increase in the coating thickness up to 200 μm, the changes of maximum pore size decreased from 23.6 μm to 5.9 μm and the permeability decreased from 184.2 m3 m- 2 kPa- 1 h- 1 to 76.2 m3 m- 2 kPa- 1 h- 1, respectively, for a sintering temperature equal to 1100 °C. The composite membranes have potential application for excellent filters in severe environments.

AB - A new graded-porosity FeAl alloy can be fabricated through Fe and Al elemental reactive synthesis. FeAl alloy with large connecting open pores and permeability were used as porous supports. The coating was obtained by spraying slurries consisting of mixtures of Fe powder and Al powder with 3-5 μm diameter onto porous FeAl support and then sintered at 1100 °C. The performances of the coating were compared in terms of thickness, pore diameter and permeability. With an increase in the coating thickness up to 200 μm, the changes of maximum pore size decreased from 23.6 μm to 5.9 μm and the permeability decreased from 184.2 m3 m- 2 kPa- 1 h- 1 to 76.2 m3 m- 2 kPa- 1 h- 1, respectively, for a sintering temperature equal to 1100 °C. The composite membranes have potential application for excellent filters in severe environments.

KW - Coating

KW - FeAl

KW - Graded structure

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Development of a new graded-porosity FeAl alloy by elemental reactive synthesis

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