Dynamic studies on the sintering of compacted metal powders using an environmental scanning electron microscope

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Sammanfattning

The sintering of pre-pressed powders of iron, copper and nickel has been studied in situ using an Environmental scanning electron microscope. The small samples were slowly heated to sintering temperatures in a reducing atmosphere. Continuous monitoring of the fracture surface of the sample revealed the initial formation of inter-particle bonds at relatively low temperatures for fine particles. The effect of particle size on sintering has been studied and the results indicate that finer particles (<10μm) could sinter at temperatures 100 to 200° lower than those for coarser particles (>50 to 100 μm). This type of information obtained in the laboratory could be useful in fine tuning process parameters for a given particle mix.

Originalspråkengelska
Titel på värdpublikationAdvances in Powder Metallurgy and Particulate Materials - 2009
Undertitel på värdpublikationProceedings of the 2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009
FörlagMetal Powder Industries Federation, Princeton, New Jersey
Sidor5/1-5/10
ISBN (tryckt)9780981949611
StatusPublished - 2009 dec. 1
Evenemang2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009 - Las Vegas, NV, USA
Varaktighet: 2009 juni 282009 juli 1

Konferens

Konferens2009 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2009
Land/TerritoriumUSA
OrtLas Vegas, NV
Period2009/06/282009/07/01

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