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Effect of Sintering Schedule to the Alloyability of FeCrAl Powder Mix Formed at above Ambient Temperature

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Abstract:

This paper presents the outcomes of an experimental investigation on the effect of sintering schedule to the alloyability of FeCrAl powder mix formed through warm powder compaction process. A lab-scale uni-axial die compaction rig was designed and fabricated which enabled the compaction of powder mass at elevated temperature. Iron (Fe) powder ASC 100.29 was mechanically mixed with other alloying elements, namely chromium (Cr), and aluminum (Al) for 60 minutes and compacted at 150°C by applying 130 kN axial loading to generate green compacts. The defect-free green compacts were subsequently sintered in an argon gas fired furnace for different holding times. The sintered samples were then undergone XRD analysis. The results revealed that the alloyability of sintered products were affected by the holding time during sintering. The sample sintered at 800°C for 60 minutes showed the highest intensity of FeCrAl alloy.

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Periodical:

Advanced Materials Research (Volume 1115)

Pages:

199-202

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1115.199

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Online since:

July 2015

Authors:

Mujibur M. Rahman*, A.A.A. Talib

Keywords:

Fecralloy, Sample Characterization, Warm Powder Compaction

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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