Search Results - "Dariel, Moshe P."

The Effect of Grain Size on the Mechanical and Optical Properties of Spark Plasma Sintering-Processed Magnesium Aluminate Spinel MgAl2O4 by Rothman, Amnon, Kalabukhov, Sergey, Sverdlov, Nataliya, Dariel, Moshe P., Frage, Nahum

“…The study deals with the effect of the SPS parameters and LiF doping on the mechanical and optical properties polycrystalline magnesium aluminate spinel (PMAS)…”
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Functional Properties of Nd:YAG Polycrystalline Ceramics Processed by High-Pressure Spark Plasma Sintering (HPSPS) by Sokol, Maxim, Kalabukhov, Sergey, Kasiyan, Vladimir, Dariel, Moshe P., Frage, Nachum

“…High‐pressure spark plasma sintering (HPSPS) was employed to fabricate polycrystalline Nd:YAG specimens with desired functional properties. Specimens…”
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Synthesis and Densification of Transparent Magnesium Aluminate Spinel by SPS Processing by Meir, Shay, Kalabukhov, Sergei, Froumin, Natasha, Dariel, Moshe P., Frage, Nahum

“…Mixtures of elementary oxides, MgO–Al2O3, were used to fabricate transparent polycrystalline magnesium aluminate spinel specimens by means of the spark plasma…”
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Thermoelectric Properties Evolution of Spark Plasma Sintered (Ge0.6Pb0.3Sn0.1)Te Following a Spinodal Decomposition by Gelbstein, Yaniv, Rosenberg, Yoav, Sadia, Yatir, Dariel, Moshe P

“…The pseudoternary (Ge,Pb,Sn)Te system is characterized by demixing to both Pb- and Ge- rich telluride submicrometer and nanosized domains. The present study is…”
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Densification of transparent yttrium aluminum garnet (YAG) by SPS processing by Frage, Naum, Kalabukhov, Sergey, Sverdlov, Nataliya, Ezersky, Vladimir, Dariel, Moshe P.

“…Nano-size YAG powder co-mixed with 0.25 wt.% LiF was used to fabricate transparent polycrystalline YAG specimens by means of the Spark Plasma Sintering (SPS)…”
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Thermoelectric properties of spark plasma sintered composites based on TiNiSn half-Heusler alloys by Gelbstein, Yaniv, Tal, Nadav, Yarmek, Aviad, Rosenberg, Yoav, Dariel, Moshe P., Ouardi, Siham, Balke, Benjamin, Felser, Claudia, Köhne, Martin

“…Half-Heusler (HH) and especially TiNiSn-based alloys have shown high potential as thermoelectric (TE) materials for power generation applications. The reported…”
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Highly efficient bismuth telluride doped p-type Pb0.13Ge0.87Te for thermoelectric applications by Gelbstein, Yaniv, Dashevsky, Zinovi, Dariel, Moshe P.

“…Bi2Te3 doped p‐type Pb0.13Ge0.87Te samples were prepared by hot pressing. We report on very high power factor values of ∼30 μW/cm K2 at 500 °C, as were…”
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High precision measurements of the temperature dependence of the sound velocity in selected liquid metals by Greenberg, Yaron, Yahel, Eyal, Ganor, Moshe, Hevroni, Refael, Korover, Igor, Dariel, Moshe P., Makov, Guy

“…The temperature dependence of the sound velocity in liquid lead, tin, bismuth and antimony has been measured with high precision (errors of less than 0.35%) by…”
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Microstructural evolution during the infiltration of boron carbide with molten silicon by Hayun, Shmuel, Weizmann, Amir, Dariel, Moshe P., Frage, Nahum

“…The previously reported model that accounts for the formation of the core-rim structure in reaction-bonded boron carbide composites (RBBC) is expanded and…”
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Nucleation of nanosize particles following the spinodal decomposition in the pseudo-ternary Ge0.6Sn0.1Pb0.3Te compound by Dado, Boaz, Gelbstein, Yaniv, Dariel, Moshe P.

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Photoluminescence of Doped YAG Transparent Ceramics Fabricated by Spark Plasma Sintering by Wagner, Avital, Ratzker, Barak, Kalabukhov, Sergey, Galun, Ehud, Dariel, Moshe P., Frage, Nachum

“…Doped transparent ceramics have potential for a wide range of optical applications derived from their easily controllable fluorescence properties. The aim of…”
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Structural Evolution Following Spinodal Decomposition of the Pseudoternary Compound (Pb0.3Sn0.1Ge0.6)Te by Dado, Boaz, Gelbstein, Yaniv, Mogilansky, Dimitri, Ezersky, Vladimir, Dariel, Moshe P.

“…Pseudoternary (Ge,Sn,Pb)Te compounds display favorable thermoelectric properties. Spinodal decomposition in the quasiternary (Ge,Sn,Pb)Te system is at the…”
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Low Temperature Processing of Reaction-Bonded Boron Carbide Composites by Frage, Nachum, Hayun, Shmuel, Dilman, Helen, Dariel, Moshe P.

“…ABSTRACT The present paper is concerned with the fabrication of fully dense B4C‐Mg, B4C‐AZ91 alloy, and B4C‐Mg,Si (eutectic) composites at a significantly…”
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Reaction-Bonded Boron Carbide/Magnesium-Silicon Composites by Cafri, Matan, Malka, Alon, Dilman, Helen, Dariel, Moshe P., Frage, Nahum

“…Reaction‐bonded boron carbide was manufactured by infiltrating porous boron carbide preforms at 1273 K with a Mg‐Si eutectic alloy. The resulting composite…”
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Phase transitions of p-type (Pb,Sn,Ge)Te-based alloys for thermoelectric applications by Gelbstein, Yaniv, Ben-Yehuda, Ohad, Dashevsky, Zinovy, Dariel, Moshe P.

“…p-type (Pb,Sn,Ge)Te-based alloys for thermoelectric applications were prepared using Bridgman technique. Second-order, rhombohedral to cubic phase transitions…”
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High Thermoelectric Figure of Merit and Nanostructuring in Bulk p-type Ge x (Sn y Pb1−y )1−x Te Alloys Following a Spinodal Decomposition Reaction by Gelbstein, Yaniv, Dado, Boaz, Ben-Yehuda, Ohad, Sadia, Yatir, Dashevsky, Zinovy, Dariel, Moshe P

“…The use of thermoelectricity for direct energy conversion from thermal to electrical energy has a long-standing history. We report that the complex p-type…”
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Highly Efficient Ge-Rich GexPb1−xTe Thermoelectric Alloys by Gelbstein, Yaniv, Dado, Boaz, Ben-Yehuda, Ohad, Sadia, Yatir, Dashevsky, Zinovy, Dariel, Moshe P.

“…The search for alternative energy sources is presently at the forefront of applied research. In this context, thermoelectricity for direct energy conversion…”
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Optical and mechanical properties of transparent alumina fabricated by high-pressure spark plasma sintering by Ratzker, Barak, Wagner, Avital, Sokol, Maxim, Kalabukhov, Sergey, Dariel, Moshe P., Frage, Nachum

“…Transparent alumina was fabricated from untreated commercial powder by high-pressure spark plasma sintering (HPSPS) at temperatures of 1000, 1050 and 1100 °C…”
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Changes in structure and properties of carbide-steel cermets resulted from a heat treatment by Frage, Naum R., Dariel, Moshe P., Kaputkina, Liudmila M., Prokoshkina, Vera G., Kaputkin, Dmitry E., Sverdlova, Natalja R.

“…Cermets were produced by a technology including pressing and sintering of titanium carbide TiC (0.7 < × < 0.98) preforms and molten tool steel infiltration…”
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The Effect of Particle Size Distribution on the Microstructure and the Mechanical Properties of Boron Carbide-Based Reaction-Bonded Composites by Hayun, Shmuel, Weizmann, Amir, Dariel, Moshe P., Frage, Nahum

“…The presence of unreacted, free silicon lowers the mechanical properties of reaction‐bonded boron carbide. The fraction of free silicon can be reduced by…”
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