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Träfflista för sökning "WFRF:(Maca J) srt2:(2010-2014)"

Sökning: WFRF:(Maca J) > (2010-2014)

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1.
  • Jensen, Torben R., et al. (författare)
  • Versatile in situ powder X-ray diffraction cells for solid-gas investigations
  • 2010
  • Ingår i: Journal of Applied Crystallography. - 1600-5767. ; 43, s. 1456-1463
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper describes new sample cells and techniques for in situ powder X-ray diffraction specifically designed for gas absorption studies up to ca 300 bar (1 bar = 100 000 Pa) gas pressure. The cells are for multipurpose use, in particular the study of solid-gas reactions in dosing or flow mode, but can also handle samples involved in solid-liquid-gas studies. The sample can be loaded into a single-crystal sapphire (Al2O3) capillary, or a quartz (SiO2) capillary closed at one end. The advantages of a sapphire single-crystal cell with regard to rapid pressure cycling are discussed, and burst pressures are calculated and measured to be similar to 300 bar. An alternative and simpler cell based on a thin-walled silicate or quartz glass capillary, connected to a gas source via a VCR fitting, enables studies up to similar to 100 bar. Advantages of the two cell types are compared and their applications are illustrated by case studies.
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2.
  • Pouchly, V., et al. (författare)
  • Master Sintering Surface : A practical approach to its construction and utilization for Spark Plasma Sintering prediction
  • 2012
  • Ingår i: Science of Sintering. - 0350-820X. ; 44:2, s. 169-175
  • Tidskriftsartikel (refereegranskat)abstract
    • The sintering is a complex thermally activated process, thus any prediction of sintering behaviour is very welcome not only for industrial purposes. Presented paper shows the possibility of densification prediction based on concept of Master Sintering Surface (MSS) for pressure assisted Spark Plasma Sintering (SPS). User friendly software for evaluation of the MSS is presented. The concept was used for densification prediction of alumina ceramics sintered by SPS.
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