The Microstructure and Characteristic of 410L Stainless Honeycombs Fabricated by Extruding and Sintering

Yun Zhou; Yu Jie Du; Xiao Qing Zuo

doi:10.4028/www.scientific.net/AMR.535-537.597

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537The Microstructure and Characteristic of 410L...

The Microstructure and Characteristic of 410L Stainless Honeycombs Fabricated by Extruding and Sintering

Abstract:

Pure 410L powder is used to mix with an additive to prepare a powder mixed paste. 410L honeycombs are fabricated by extruding the powder mixed paste, then dried and sintered. With sintering temperature increasing from 1120°C to1150°C, the density of sintered honeycombs increasing, powder particles bind together and become grains. The structure parameters and properties of sintered honeycombs were obtained by measuring and calculating. Results show that wall thickness 0.13~0.18mm, cell number (1/in2) 350~385, clear cross section (%) 73~80, specific surface Sv(sq m/cu dm）2.68~2.85； specific heat capacity Cp(J/g.K) 0.50~0.56, heat conductivity κ(W/m.K) 11.2~12.5. SEM/EDS analysis shows that the structure of sintered honeycombs consists of matrix phase α-Fe(Cr) and small particles which are complex compounds of silicon, iron and inclusion elements distributed in matrix. Chromium oxide is formed on surface of sintered honeycombs.

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Periodical:

Advanced Materials Research (Volumes 535-537)

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597-600

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https://doi.org/10.4028/www.scientific.net/AMR.535-537.597

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Online since:

June 2012

Authors:

Yun Zhou, Yu Jie Du, Xiao Qing Zuo

Keywords:

410L, Catalyst Support, Extruded Honeycomb, Metallic Honeycomb, Sintering and Extruding

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