1999
DOI: 10.1007/s11661-999-0337-9
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Infiltration of fibrous preforms by a pure metal: Part V. Influence of preform compressibility

Abstract: In ltration by a pure matrix in the presence of preform deformation and partial matrix solidi cation is analyzed using a bounding approach for the preform rheology where solid metal is present. It is found, using parameters for the in ltration of short alumina ber preforms by aluminum, that the two bounds are close in comparison to other factors of uncertainty in the prediction of in ltration rate. Using this approach, preform compression is shown to exert a signi cant in uence on the in ltration rate for the … Show more

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Cited by 30 publications
(21 citation statements)
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“…Here we turn our attention to porous materials which deform when liquid passes through them, e.g., spongelike materials. Deformable porous materials arise in various fields, including geophysics, 7 soil science, [8][9][10] infiltration, [11][12][13][14][15] snow physics, 16 paper and printing, 17,18 and medical science. [19][20][21][22][23][24][25][26][27] In such cases, the flow through the deformable porous media deforms the material due to the forces associated with flow.…”
Section: Introductionmentioning
confidence: 99%
“…Here we turn our attention to porous materials which deform when liquid passes through them, e.g., spongelike materials. Deformable porous materials arise in various fields, including geophysics, 7 soil science, [8][9][10] infiltration, [11][12][13][14][15] snow physics, 16 paper and printing, 17,18 and medical science. [19][20][21][22][23][24][25][26][27] In such cases, the flow through the deformable porous media deforms the material due to the forces associated with flow.…”
Section: Introductionmentioning
confidence: 99%
“…It unidirectional infiltration under constant applied pressure, was shown, however, that when the applied pressure is low, including nonisothermal infiltration by a pure metal or by this assumption breaks down, as metal penetrates the preform a binary alloy; [13,18] for nonisothermal infiltration by a pure in a gradual manner, filling the largest pores first. [15,28] This metal, taking into account the influence of preform deformcase is relevant to industrial practice, because it is desirable ability; [19,20] and for isothermal infiltration, taking into to maintain the applied pressure as low as possible, to minimize preform damage and to reduce costs. Moreover, in practical cases, the applied pressure is not established [29,30,31] and numerical solutions are available for a great range of problems.…”
Section: Introductionmentioning
confidence: 99%
“…These phenomena have already been studied extensively from both theoretical and experimental viewpoints. Analytical and numerical solutions have been given and compared to experimental data, for unidirectional infiltration under constant applied pressure, including non-isothermal infiltration by a pure metal Masur et al, 1989) or by a binary alloy (Mortensen and Michaud, 1990;Michaud and Mortensen, 1992); for non-isothermal infiltration by a pure metal, taking into account the influence of preform deformability (Sommer and Mortensen, 1996;Michaud et al, 1999); and for isothermal infiltration, taking into account * Tel. : +886 7 6077028; fax: +886 7 6077112.…”
Section: Introductionmentioning
confidence: 99%