Synthesis and characterization of porous Fe-25 wt.% Al alloy with controllable pore structure

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

doi:10.1007/s11106-010-9220-x

Synthesis and characterization of porous Fe-25 wt.% Al alloy with controllable pore structure

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

College of Chemical Engineering

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

8 Scopus citations

Abstract

Porous Fe-25 wt.% Al alloy is synthesized by reactive synthesis with Fe and Al powders as the raw materials. Various processing parameters such as the final sintering temperature, pressure during cold pressing, and powder size are investigated to control the pore structure of the alloy. It has been shown that the optimal final sintering temperature is around 950-1050°C. When the pressure is higher than 110 MPa, the variation of the pore structure is mainly caused by the change of the pore nature in the as-pressed compact. In addition, the pore structure of porous Fe-25 wt.% Al alloys depends on the size of the raw powders and the weight fraction of different-sized raw powders.

Original language	English
Pages (from-to)	183-192
Number of pages	10
Journal	Powder Metallurgy and Metal Ceramics
Volume	49
Issue number	3-4
DOIs	https://doi.org/10.1007/s11106-010-9220-x
State	Published - Jul 2010

Keywords

intermetallics
iron aluminides
porous material
powder metallurgy

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10.1007/s11106-010-9220-x

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title = "Synthesis and characterization of porous Fe-25 wt.% Al alloy with controllable pore structure",

abstract = "Porous Fe-25 wt.% Al alloy is synthesized by reactive synthesis with Fe and Al powders as the raw materials. Various processing parameters such as the final sintering temperature, pressure during cold pressing, and powder size are investigated to control the pore structure of the alloy. It has been shown that the optimal final sintering temperature is around 950-1050°C. When the pressure is higher than 110 MPa, the variation of the pore structure is mainly caused by the change of the pore nature in the as-pressed compact. In addition, the pore structure of porous Fe-25 wt.% Al alloys depends on the size of the raw powders and the weight fraction of different-sized raw powders.",

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T1 - Synthesis and characterization of porous Fe-25 wt.% Al alloy with controllable pore structure

AU - Shen, P. Z.

AU - Song, M.

AU - He, Y. H.

AU - Gao, H. Y.

AU - Zou, J.

AU - Xu, N. P.

AU - Huang, B. Y.

AU - Liu, C. T.

PY - 2010/7

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N2 - Porous Fe-25 wt.% Al alloy is synthesized by reactive synthesis with Fe and Al powders as the raw materials. Various processing parameters such as the final sintering temperature, pressure during cold pressing, and powder size are investigated to control the pore structure of the alloy. It has been shown that the optimal final sintering temperature is around 950-1050°C. When the pressure is higher than 110 MPa, the variation of the pore structure is mainly caused by the change of the pore nature in the as-pressed compact. In addition, the pore structure of porous Fe-25 wt.% Al alloys depends on the size of the raw powders and the weight fraction of different-sized raw powders.

AB - Porous Fe-25 wt.% Al alloy is synthesized by reactive synthesis with Fe and Al powders as the raw materials. Various processing parameters such as the final sintering temperature, pressure during cold pressing, and powder size are investigated to control the pore structure of the alloy. It has been shown that the optimal final sintering temperature is around 950-1050°C. When the pressure is higher than 110 MPa, the variation of the pore structure is mainly caused by the change of the pore nature in the as-pressed compact. In addition, the pore structure of porous Fe-25 wt.% Al alloys depends on the size of the raw powders and the weight fraction of different-sized raw powders.

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KW - iron aluminides

KW - porous material

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Synthesis and characterization of porous Fe-25 wt.% Al alloy with controllable pore structure

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