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West Jerusalem, Israel

Lugovskoi V.M.,MLC Extrusion Systems LTD
Metallurgist | Year: 2011

This article discusses problems in the design of the working chambers for the hot and cold shaping of different materials by an ultrahigh-pressure fluid. A description is given of new hydraulic seals that operate at pressures up to 2.0 GPa and are used in modern chambers designed for hydrostatic shaping. An engineering method is presented for designing such chambers on the basis of different optimization criteria. © 2011 Springer Science+Business Media, Inc. Source


Lugovskoy V.M.,MLC Extrusion Systems LTD | Danieli G.,MLC Extrusion Systems LTD
Metallurgist | Year: 2011

This article examines technological aspects of the use of superhigh-pressure fluids for the hot extrusion, cold extrusion, and compaction of powders at pressures up to 2000 MPa. New methods for the hot extrusion and hot compaction of powders by superhigh-pressure fluids are described. Some results are presented from use of the new technology of shaping materials with superhigh-pressure fluid. © 2011 Springer Science+Business Media, Inc. Source


Tiferet E.,Nuclear Research Center - Negev | Kimmel G.,Ben - Gurion University of the Negev | Danieli G.,MLC Extrusion Systems LTD | Mogilyanski D.,Ben - Gurion University of the Negev | Yeheskel O.,Nuclear Research Center - Negev
Journal of the European Ceramic Society | Year: 2013

Sintering of nanocrystalline (nc) monoclinic yttrium oxide (Y2O3) was studied in the homologue temperature range of 0.4-0.7TM. Samples were isostatically consolidated at super high pressure (SHP), up to 1.8GPa. The combined effects of consolidation pressure and sintering temperature on the properties and microstructure are explored. The physical properties of the samples, mainly elastic modulus follow in general the density changes, or the interparticle contact area, but are also affected by sintering temperature. The effect of compaction pressure and sample density on the phase transition is studied and discussed. © 2013 Elsevier Ltd. Source

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