Fabrication of Iron-base Alloy by Spark Plasma Sintering

Abstract

Abstract: Fe-2Cu-2Ni-1Mo-0.8C (wt pct) elemental mixed powders were rapidly sintered within 6~min by spark plasma sintering, and the effects of sintering parameters on the densification degree and performance of the as-sintered materials were investigated. Results showed that when a proper combination of pulse electric current and constant electric current was employed for sintering, the density and bend strength of the as-sintered material reached the maxima, being 7.61×103 kg/m3 and 1540 MPa, respectively. Its corresponding fracture morphology was characterized as the mix of ductile, intergranular and cleavage fractures.

Key words: Spark plasma sintering, Iron-base alloy, Density, Microstructure and performance

Yuanyuan LI, Xiaoqiang LI, Yan LONG, Wei XIA, Min ZHU, Weiping CHEN. Fabrication of Iron-base Alloy by Spark Plasma Sintering[J]. J Mater Sci Technol, 2006, 22(02): 257-260.

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Fabrication of Iron-base Alloy by Spark Plasma Sintering

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