2000
DOI: 10.1002/srin.200005689
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Quasi‐in‐situ observations of the sintering behaviour of molybdenum‐alloyed sintered steels

Abstract: The sintering behaviour of molybdenum pre-alloyed sintered steels was investigated. A scanning electron microscope with a hot stage attachment was used, enabling quasi-in-situ observations of the sintering process. The material MSP 1.5Mo (Fe-1.5% Mo) sinters in the austenitic phase, while MSP 3.5Mo (Fe-3.5% Mo) sinters completely in the ferritic phase, due to the increased molybdenum mass content. The significantly higher self-diffusion coefficient of iron in the ferritic phase leads to the accelerated sinteri… Show more

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Cited by 6 publications
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“…The Mo-rich region near the surface of the Mo hybrid-alloyed steel powder particle should exist as the α-iron phase even at sintering temperature. The α-phase sintering is effective in promotion of sintering diffusion 3,4) by making use of the fact that a diffusion coefficient of the α-iron phase is about 100 times as large as that of the γ-iron phase 5) .…”
Section: Introductionmentioning
confidence: 99%
“…The Mo-rich region near the surface of the Mo hybrid-alloyed steel powder particle should exist as the α-iron phase even at sintering temperature. The α-phase sintering is effective in promotion of sintering diffusion 3,4) by making use of the fact that a diffusion coefficient of the α-iron phase is about 100 times as large as that of the γ-iron phase 5) .…”
Section: Introductionmentioning
confidence: 99%