Forming Porous Fibrous Materials
by the Pendant Drop Melt Extraction

B. V. Borisov* and M. M. Serov**

MATI Russian State Technological University, Orshanskaya 3, Moscow, 121552 Russia

*e-mail: bbv4home@gmail.com

**e-mail: seovmf@yandex.ru

Abstract—A method for forming porous material based on metallic fibers, which are obtained by pendant drop
melt extraction (PDME) method, is proposed. An installation for forming porous fibrous materials by the
PDME method is developed and fabricated. Samples of porous materials made of fibers of heat-resistant and
corrosion-resistant steels, nickel alloys, zirconium, etc., are obtained. Mechanisms for forming the bonds
between the fibers are investigated and an interaction model between the fibers in a formed material is proposed.
The possibility of forming bonds between the fibers in a porous material based on copper and steel fibers at
various extraction velocities is evaluated according to the proposed model.

Keywords: porous fibrous material, melt extraction by a rotating heat absorber

DOI: 10.3103/S1067821213050052

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