Dr. Shmulik Hayun Home Page

2016

Y. Mordekovitz, S. Hayun, "On the Effect of Lithium on the Energetics and Thermal Stability of Nano-Sized Nonstoichiometric Magnesium Aluminate

Spinel", Journal of the American Ceramic Society, 99[8], (2016), 2786-2794

S. Hayun, S. Meir, S. Kalabukhov, N. Frage and E. Zaretsky, “Phase Constitution and Dynamic Properties of Spark Plasma-Sintered Alumina-

Titanium Composites”, Journal of American Ceramic Society, 99 [2], (2016), 573-580, (0 citations; I.F 2.78; 3/26; Q1).

S. Sagi and S. Hayun, “High-temperature heat capacity of SPS-processed Y₃Al₅O₁₂ (YAG) and Nd:YAG", Journal of Chemical

Thermodynamics, 93, (2016), 123-126 (0 citations; I.F 2.679; 7/55; Q1).

M. Ben-Haroush , G. Dikovskyss, S. Kalabuhuv, M. Aizenshteinand S. Hayun, “Spark Plasma Sintering of MgO strengthen aluminum” Journal of

Materials Engineering and Performance, 25(2), (2016), 648-655, (0 citations; I.F 0.998; 105/334; Q2)

I. Edry, T. Mordechai, N. Frage and S. Hayun, “Effects of treatment duration and cooling rate on pure aluminum solidification upon pulse magneto-

oscillation treatment”, Metallurgical and Materials Transactions A, 47(3), (2016), 1261-1267 , (0 citations; I.F 1.730; 13/74; Q1) DOI:

10.1007/s11661-015-3306-5

Y. Mordekovitz and S. Hayun, “Effect of lithium on thermal stability of nano-sized non-stoichiometric magnesium aluminate spinel”, Journal of

American Ceramic Society, (2016), (0 citations; I.F 2.78; 3/26; Q1), DOI: 10.1111/jace.14244

A. Munitz, S. Salhov, S. Hayun and N. Frage, “Heat Treatment Impacts the Microstructure and Mechanical Properties of AlCoCrFeNi High Entropy

Alloy", Journal of Alloys and Compounds, 683 (2016), 221-230, (0 citations; I.F 2.716, 4/74, Q1). doi:10.1016/j.jallcom.2016.05.034

Y. Mordekovitz, L. Shelly , M. Halabi , S. Kalabukhov and S. Hayun, “The Effect of Lithium Doping on the Sintering and Grain Growth of SPS-

Processed, Non-Stoichiometric Magnesium Aluminate Spinel” Materials, 9(6), (2016), 481; doi:10.3390/ma9060481 (0 citations; I.F 2.728;

63/271; Q1)

I. Edry, N. Frage and S. Hayun, “The effect of pulse magneto-oscillation treatment on the structure of aluminum solidified under controlled

convection”Materials letters, 182, (2016), 118-120, (0 citations; I.F 2.437; 73/271; Q2)

I. Zukerman, M. Halabi_S S. Hayun, R.L. Boxman , A. Raveh, “Segregation as a driving force in the formation of nanocomposite ZrO₂-Al₂O₃

coatings”, Surface and Coatings Technology , (2016), http://dx.doi.org/10.1016/j.surfcoat.2016.08.027(0 citations; I.F 2.137; 4/18; Q1)

2015

S. Meir, S. Kalabukhov, N. Frage and S. Hayun, ,” Mechanical Properties of Al₂O₃\Ti Composites Fabricated by Spark Plasma”, Ceramics

International, 41(3B), (2015), 4637-4643 (2 citations; I.F 2.54; 4/26; Q1).

V. Erukhimovitch, Y. Mordekovitz and S. Hayun, “Spectroscopic study of ordering in non - stoichiometric magnesium aluminate spinel”, American

Mineralogist, 100, (2015), 1744-1751 (0 citations; I.F 2.356; 9/28; Q2).

S. Barzilai and S. Hayun, “Mechanical alloying and thermal analysis of Ta-Ti alloys” Journal of Materials Science, 50(20), (2015), 6833-6838 (0

citations, I.F 2.32, 62/259, Q1).

2014

N. Frage, S. Hayun, H. Dilman and M. P. Dariel, "Low temperature processing of reaction-bonded boron carbide composites", Advanced

Engineering Materials 16(6), (2014), 797-805 (0 citations; I.F 1.703; 110/259; Q2).

S. Meir, S. Kalabukhov and S. Hayun, ”Low temperature spark plasma sintering of Al₂O₃-TiC composites”, Ceramics International, 40(8A),

(2014), 12187-12192 (2 citations; I.F 2.54; 4/26; Q1).

2013

I. Edry, V. Erukhimovitch, A. Shoihet, Y. Mordekovitz, N. Frage and S. Hayun, "Effect of impurity levels on the structure of solidified aluminum under

pulse magneto-oscillation (PMO)" journal of Materials Science, 48(24), (2013), 84388442 (3 citations; I.F 2.32; 62/259;Q1).

2012

S. Hayun, V. Paris, R. Mitrani, S. Kalabukhov, M.P. Dariel, E. Zaretzky and N. Frage, "Microstructure and Mechanical Properties of Silicon Carbide

Processed by Spark Plasma Sintering (SPS)" In press, Ceramics International DOI 10.1016/j.ceramint.2012.05.003

S. Hayun, T. Tran, J. Lian, A. Navrotsky, "Energetics of Stepwise Disordering Transformation in Pyrochlores, Re₂Ti₂O₇ (Re = Y, Gd and Dy)"

In press, Acta Materialia, 2012 DOI: 10.1016/j.actamat.2012.04.007

S. Hayun and A. Navrotsky, "Formation Enthalpies and Heat Capacities of Rear Earth Titanates: RE₂TiO₅ (RE = La, Nd and Gd )", Journal of Solid

State Chemistry, 187, (2012), 70-74.

T. B. Tran, S. Hayun, A. Navrotsky, and R. H. R. Castro, “Transparent Nanocrystalline Pure and Ca-Doped MgO by Spark Plasma Sintering of

Anhydrous Nanoparticles” J. Am. Ceram. Soc., 95 [4] 1185-1188 (2012).

2011

V. Alexandrov , T. Y. Shvareva , S. Hayun , M. D. Asta, and A. Navrotsky. " Actinide Dioxides in Water: Interactions at the Interface" J. Phys. Chem.

Lett., (24), (2011), 3130-3134 DOI: 10.1021/jz201458x.

S. Hayun, T. Tran, S. V. Ushakov, A. M. Thron, K. van Benthem, A.Navrotsky, and R. H. R. Castro, " Experimental Methodologies for Assessing the

Surface Energy of Highly Hygroscopic Materials: The Case of Nanocrystalline Magnesia" J. Phys. Chem. C, 115 (48),( 2011) 23929-23935.

S. Hayun, S. V. Ushakov, A. Navrotsky. "Direct Measurement of Surface Energy of CeO₂ by Differential Scanning Calorimetry". Journal of the

American Ceramic Society, 94, (2011) 3679-3682.

S. Hayun, T. Y. Shvareva, A. Navrotsky, "Nanoceria Energetics of Surfaces, Interfaces and Water Adsorption". Journal of the American Ceramic

Society, 94, (2011), 3992-3999.

2010

S. Hayun, M.P. Dariel, N. Frage and E. Zaretsky. "The High Strain Rate Dynamic Response of Boron Carbide Based Composites: The Effect of

Microstructure" Acta Materialia, 58(5), (2010), 1721-173.

S. Hayun, A. Weizmann, M. P. Dariel and N. Frage, “Microstructural Evolution During the Infiltration of Boron Carbide with Molten Silicon", Journal of

the European Ceramic Society, 30(4), (2010), 1007-1014.

S. Hayun, M. P. Dariel, and N. Frage "Effect of the Carbon Source on the Microstructure and Mechanical Properties of Reaction Bonded Boron

Carbide" Ceramic Transactions 209 (Advances in Sintering Science and Technology), Publisher: American Ceramic Society, (2010) 29-41.

S. Hayun, S. Kalabukhov, V. Ezersky, M.P. Dariel, N. Frage, "Microstructural Characterization of Spark Plasma Sintered Boron Carbide Ceramics",

Ceramics International, 36(2), (2010), 451-457.

2009

S. Hayun, H. Dilman, M. P. Dariel and N. Frage, "The effect of aluminum on the microstructure and phase composition of boron carbide infiltrated with

silicon", Materials Chemistry and Physics, 118(2-3), (2009), 490-495.

S. Hayun, V. Paris, M.P. Dariel, N. Frage and E. Zaretzky " Static and dynamic mechanical properties of boron carbide processed by spark plasma

sintering, Journal of the European Ceramic Society, 29, (2009), 3395-3400.

S. Hayun, A.Weizmann, M. P. Dariel and N.Frage, "The Effect of Particle Size Distribution on the Microstructure and the Mechanical Properties of Boron

Carbide-Based Reaction-Bonded Composites". International Journal of Applied Ceramic Technology, 6[4], (2009), 492500.

2008

S. Hayun, D. Rittel, N. Frage and M. P. Dariel, "Static and dynamic mechanical properties of infiltrated B₄C-Si composites", Materials Science and

Engineering A, 487, (2008), 405409.

M. Aizenshtein, I. Mizrahi, N. Froumin, S. Hayun, M.P. Dariel and N.Frage "Interface Interaction in the B₄C/(Fe-B-C) system", Materials Science and

Engineering A, 495, (2008), 7074.

2007

N. Frage, S. Hayun, S. Kalabukhov, M.P. Dariel "The effect of Fe addition on densification of B₄C powder by spark plasma sintering (SPS)" Powder

Metallurgy and Metal Ceramics, 46(11-12), (2007), 1068-1302.

O. Hachimi, S. Hayun, A. Venkert and M. P. Dariel "Microstructural study of CeNd alloys". Journal of Alloys and Compounds 427(1-2), (2007) 104-

109.

2006

S. Hayun, N. Frage H. Dilman, V. Tourbabin, M. P. Dariel "Synthesis of dense B₄C-SiC-TlB₂ composites". Ceramic Transactions, 178 Ceramic

Transactions 178 (Ceramic Armor and Armor Systems II), Publisher: American Ceramic Society, (2006) 37-44.

S. Hayun, N. Frage, M. P. Dariel, E. Zaretsky, Y. Ashuah, "Dynamic response of B₄C-SiC ceramic composites", Ceramic Transactions 178 (Ceramic

Armor and Armor Systems II), Publisher: American Ceramic Society, (2006), 147-156.

S. Hayun, N. Frage and M.P. Dariel "The morphology of ceramic phases in B_xC-SiC-Si infiltrated composites" Journal of Solid State Chemistry,

(2006), 179(9), 2875-2879.

Publications

Conference Proceedings (Refereed)

N. Frage, E. Oz, E. Ionash, H. Dilman, S. Hayun, "Low Temperature Fabrication of Reaction Bonded Boron Carbide Composites Infiltrated with Al-Si

Alloys", Advances in Ceramic Armor, Bioceramics, and Porous Materials: Ceramic Engineering and Science Proceedings, 37[4], (2016), 49

V. Paris, S. Hayun, M. P. Dariel, N. Frage, and E. Zaretsky,"On The Compressive and Tensile Strength of Magnesium Aluminate Spinel", AIP Conf. Proc.

1195, (2009), 1003-1006.

S. Hayun, A.Weizmann, H. Dilman, M. P. Dariel and N. Frage "Rim region growth and its composition in reaction bonded boron carbide composites with core-

rim structure", Journal of Physics: Conference Series 176, (2009), 012009 (7pp) doi:10.1088/1742-6596/176/1/012009

S. Hayun, M. P. Dariel and N. Frage, Microstructure and properties of boron carbide processed by FAST (Field Assisted Sintering Technology), Proceeding

of the Advanced Processing for Novel Functional Materials (APNFM 2008), Dresden, 23 25 January, (2008), 200-205

S. Hayun, N. Frage, M. P. Dariel and E. Zaretsky, "Dynamic Mechanical Behavior of Boron Carbide Based Composites" AIP Conf. Proc. 955, (2007), 747-

750.

Conference Proceedings

A. Weizmann, S. Hayun, M. P. Dariel and N. Frage, "Optimization of the Particle Size Distribution for improving the Mechanical Properties of Reaction-

Bonded Boron Carbide (RBBC) Composites, Proceedings of the Sixth Israel-Russian Bi-National Workshop, Jerusalem, Ed. M.Zinigrad, E.A. Pastukhov,

Publisher Israeli Academy of Science and Humanities, (2007), 23-33.

Hayun S., Frage N., Dilman H., Tourbabin V. and Dariel M. P. "Dense B₄C-SiC-TIB₂ composites" Proceedings of the International Conference

HighMatTech, Kiev, Ukraine, Ed. V. V. Skorkhod, (2005), 235.

Thesis

Ph. D. - The Inter-relationships between the Static and Dynamic Mechanical Properties and the Microstructure of Reaction Bonded Boron Carbide

Composites. Advisors: Prof. Nahum Frage, Prof. Moshe Dariel and Prof. Eugene Zaretsky. in English

M. Sc. - Dynamic response of B₄C-SiC ceramic composites. Advisors: Prof. Moshe Dariel, Prof. Nahum Frage and Prof. Eugene Zaretsky. in Hebrew

Presentations at conferences/meetings

Invited lecture

S. Hayun, T. Y. Shvareva, A. Navrotsky, “Surface and water adsorption energetics for cerium and thorium dioxides” 7^thConference MMT(Material

Technologies and Modeling) Ariel, Israel , August 20-23, 2012.

S. Hayun - "Experimental assessment of the Surface and Water Adsorption Energetics for nanocrystalline magnesia". Twelfth Israeli - Russian Bi-National

Workshop 2013, Jerusalm, Israel July 8-15, 2013.

S. Hayun - "The Effect of Oxide Non-stoichiometry on the Consolidation Behavior of Nanopowders by Spark Plasma Sintering” Materials Science &

Technology 2013 Montreal, QC, Canada Oct. 27-31, 2013.

S. Hayun - "The Effect of Magnesium Aluminate Spinel Composition on Consolidation by Spark Plasma Sintering (SPS)", Israel Materials Engineering

Conference IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014.

S. Hayun - “Effect of Electric Field on the Disorder-Order Transformation in MgOnAl₂O₃ System”, 2014 MRS Spring Meeting & Exhibit San Francisco,

California, USA, April 21-25, 2014

S. Hayun - “Field assisted sintering of nano ceramic oxides”, The 32^nd Israel Vacuum Society conference - IVS 2014, Sep. 2014 , Herzliya, israel

S. Hayun - “Influence of external electric field and magnesium aluminate spinel stoichiometry on cation distribution and surface properties” 8th International

Conference on High Temperature Capillarity (HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany.

S. Hayun - “The Effect of Lithium and Applied Pressure on the Sinterabilty of Magnesium Aluminate Spinel” Materials Science & Technology 2015

(MS&T15) Columbus, OH, USA Oct. 4-8, 2015.

S. Hayun - “New developments in reaction bonded boron carbide ” 2016 E-MRS Fall Meeting, Warsaw University of Technology Plac Politechniki 1 -

Warsaw, Poland. Oct. 19-22, 2016.

Oral or Poster

S. Hayun, N. Frage H. Dilman, V. Tourbabin, M. P. Dariel “Low temperature synthesis of dense B₄C-SiC-TiB₂ composites-The American Ceramic Society,

Annual Meeting 2005, Baltimore, Maryland, USA, April, 2005(oral)

S. Hayun, N. Frage H. Dilman, V. Tourbabin, M. P. Dariel “Dense B₄C-SiC-TIB₂ composites International Conference HighMatTech, Kiev, Ukraine 2005.

(oral)

S. Hayun, N. Frage, M. P. Dariel ”The morphology of ceramic phases in BxC-SiC-Si infiltrated composites 15th International Symposium on Boron, Borides,

and Related Compounds, Hamburg, Germany, Aug. 2005.(oral)

S. Hayun, N. Frage, M. P. Dariel and E. Zaretsky ”Dynamic Response of B₄C-SiC Ceramic Composites Israel Materials Engineering Conference - IMEC

XII, Beer-Sheva, Israel, March 2006. (poster)

S. Hayun, N. Frage, M. P. Dariel ”Synthesis of Dense B₄C-SiC-TIB₂ Composites, Israel Materials Engineering Conference - IMEC XII, Beer-Sheva, Israel,

March 2006. (Poster)

S. Hayun, N. Frage, M. P. Dariel ”The Morphology of Ceramic Phases in B_xC-SiC-Si Infiltrated Composites., Israel Materials Engineering Conference -

IMEC XII, Beer-Sheva, Israel, March 2006. (oral)

N. Frage, S. Hayun, S. Kalabukhov, M.P. Dariel ” The effect of Fe addition on densification of B₄C powder by spark plasma sintering (SPS)” International

Conference HighMatTech, Kiev, Ukraine Oct. 2007. (oral)

S. Hayun, N. Frage, M. P. Dariel and E. Zaretsky ”Dynamic Mechanical Behaviour of Boron Carbide Based Composite.” 15th APS Topical Conference on

Shock Compression of Condensed Matter, APS SCCM Hawaii, USA, 2007(oral)

S. Hayun, M. P. Dariel and N. Frageand E. Zaretsky” Mechanical Properties of B₄C Based Si Infiltrated Composites at Various Strain Rate - Israel Materials

Engineering Conference- IMEC XIII, Technion, Haifa Israel Dec. 2007. (oral)

S. Hayun, M. P. Dariel and N. Frage,” The Effect of Carbon Source on the Microstructure and Mechanical Properties of Si Infiltrated Boron Carbide

Composite- Israel Materials Engineering Conference IMEC XIII, Technion, Haifa Israel Dec. 2007. (poster)

S. Hayun, M. P. Dariel and N. Frage,”Microstructure and properties of boron carbide processed by FAST (Field Assisted Sintering Technology)”Advanced

Processing of Novel Functional Materials - APNFM 2008 Dresden, Germany, (oral)

A. Weizman, S. Hayun, H. Dilman, M. P. Dariel, N. Frage”Microstructural evolution of reaction bonded boron carbide compositesE-MRS Fall Meeting 2008

Warsaw University of Technology Poland (oral)

S. Hayun, A.Weizmann, H. Dilman, M. P. Dariel and N. Frage"Rim region growth and its composition in reaction bonded boron carbide composites with core-

rim structure”, 16th International Symposium on Boron, Borides and Related Materials Matsue, Shimane, Japan 2008 (oral).

S. Hayun, M. P. Dariel, and N. Frage “Effect of the Carbon Source on the Microstructure and Mechanical Properties of Reaction Bonded Boron Carbide” -

Sintering 2008 - La Jolla (San Diego), Ca. USA (oral).

S. Hayun, V. Paris, M. P. Dariel, E. Zaretsky and N. Frage, “On The Compressive and Tensile Strength of Magnesium Aluminate Spinel”, Spinel -16th APS

Topical Conference on Shock Compression of Condensed Matter, APS SCCM - Nashville, Tennessee, USA, 2009 (oral).

S. Barzilai, H. Nagar, M. Aizenshtein, S. Hayun, N. Froumin”Wetting and interface interaction between thermodynamically stable oxides and Al containing

melts” 6^th International Conference High Temperature Capillarity, Athens, Greece. 2009 (poster).

T. Y. Shvareva, T. J. Park, S. Hayun S. V. Ushakov,A. Navrotsky “Surface and water adsorption energetics of actinide and cerium oxides with fluorite

structure 241^st ACS National Meeting & Exposition - Anaheim, CA, United States, Abstracts of papers of the american chemical society Volume: 241

Meeting Abstract: 96-NUCL (oral).

T. Y. Shvareva, S. Hayun, S. Ushakov and A. Navrotsky “Exploring actinide and cerium dioxide surface energetics: Experimental insight” All-Hands and

Science Advisory Board Meeting of the Materials Science of Actinides, EFRC. Notre Dame, IN, United States September 24, 2011 (poster).

R. H. R. Castro, K. Benthem, T. Tran, A. Navrotksy and S. Hayun” Experimental methodologies for assessing the surface energy of highly hygroscopic

materials: The case of nanocrystalline magnesia” Materials Science & Technology 2011 Conference & Exhibition, Columbus, Ohio , October 16-20, 2011

(oral).

S. Hayun, V. Paris, R. Mitrani, E. Zaretsky, M. Dariel and N. Frage” Microstructure and mechanical properties, dynamic and static, of siliconcarbide

processed by Spark Plasma Sintering (SPS),” Israel Materials Engineering Conference - IMEC 15 - Dead Sea, Israel, 2012 (poster).

S. Hayun, T. Tran, J. Lian, A. Navrotsky “Energetics of stepwise disordering transformation in pyrochlores, RE₂Ti₂O₇ (RE = Y, Gd and Dy)“ Israel Materials

Engineering Conference - IMEC 15 - Dead Sea, Israel, 2012 (oral).

S. Hayun, T. Y. Shvareva, A. Navrotsky“Experimental assessment of surface and water adsorption energetics for cerium and thorium dioxides” 7^th

International Conference High Temperature Capillarity - Eilat, Israel, 2012 (oral).

V. Erukhimovitch and S. Hayun “IR spectroscopic characterization of non-stoichiometric nano MgAl₂O₄ spinels“XV Anniversary Balkan Mineral Processing

Congress (BMPC 2013), Bulgaria, June, 12-16 , 2013 (poster).

M. Ben-Haroush, M. Aizenshtein and S. Hayun “Spark Plasma Sintering of Aluminum Powders: Microstructure and Mechanical Properties” LightMAT 2013 -

Magnesium, Aluminium, Titanium 3 - 5 September 2013 in Bremen, Germany (poster).

T. Mordechai, N. Aharon, A. Shoihet, I. Edry, V. Erukhimovitch and S. Hayun, ”The Effects of Nucleation Sites and Cooling Rate on the Structure of

Aluminum Solidified Under Pulse Magneto Oscillation (PMO)”, Israel Materials Engineering Conference IMEC 16, Technion, Haifa Israel 23-25 Feb.

2014. (poster).

M. Halabi, S. Hayun “Inversion Parameter of Non-stoichiometric Magnesium Aluminate Spinel”, Israel Materials Engineering Conference IMEC 16, Technion,

Haifa Israel 23-25 Feb. 2014. (poster).

Y. Mordekovitz, S. Hayun “Sintering of Li-doped Magnesium Aluminate Spinel“, Israel Materials Engineering Conference IMEC 16, Technion, Haifa Israel

23-25 Feb. 2014 (poster).

Y. Shoval, S. Hayun “The Effect of Magnesia Aluminate Spinel Composition on the Water Adsorption Enthalpy”, Israel Materials Engineering Conference

IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014 (poster).

S. Meir, M. Bereznitsky, V. Kasiyan, S. Hayun and N. Frage, “Pressure Assisted Flash Sintering”, Israel Materials Engineering Conference IMEC 16,

Technion, Haifa Israel 23-25 Feb. 2014 (poster).

S. Meir, S. Kalabuhuv, S. Hayun, “Low Temperature Spark Plasma Sintering (SPS) OF Al₂O₃/TiC Based Composite”, Israel Materials Engineering

Conference IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014 (poster).

E. Oz, H. Dilman, S. Hayun, M. Dariel and N. Frage, “Low Temperature Fabrication of the Reaction Bonded B₄C/Al-Si Composites”, Israel Materials

Engineering Conference IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014 (poster).

Gabay, W. Kaplan, N. Frage and S. Hayun, “Electromagnetic Field Assisted Sintering of SiC”, Israel Materials Engineering Conference IMEC 16, Technion,

Haifa Israel 23-25 Feb. 2014 (poster).

M. Ben-Haroush, S. Haroush, M. Cohen, J. Sprintzin, M. Aizenshtein and S. Hayun, “Microstructure and Mechanical Properties of Spark Plasma Sintered

Aluminum Powders”, Israel Materials Engineering Conference IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014 (poster).

I. Edry, V. Erukhimovitch, N. Frage and S. Hayun, "Effect of Impurity Levels on the Structure of Solidified Aluminum Under Pulse Magneto-oscillation

(PMO)" Israel Materials Engineering Conference IMEC 16, Technion, Haifa Israel 23-25 Feb. 2014 (oral).

M. Halabi, S. Hayun “Inversion Parameter of Non-stoichiometric Magnesium Aluminate Spinel”, NanoIsrael 2014 , The 4^thInternational Nanotechnology

Conference & Exhibition, March 24-25, 2014, David InterContinental Hotel, Tel Aviv, Israel (poster).

Y. Mordekovitz, S. Hayun “The effect of Lithium on the sinterabilty of nano magnesium aluminate spinel “, NanoIsrael 2014 , The 4^th International

Nanotechnology Conference & Exhibition, March 24-25, 2014, David InterContinental Hotel, Tel Aviv, Israel (poster).

Y. Shoval, S. Hayun “Water adsorption enthalpy of non-stoichiometric magnesia aluminate spinel”, NanoIsrael 2014 , The 4th International Nanotechnology

Conference & Exhibition, March 24-25, 2014, David InterContinental Hotel, Tel Aviv, Israel. (poster)

M. Halabi and S. Hayun ”Cation distribution and inversion parameter of non-stoichiometric magnesium aluminate spinel” ISM 2014 - The 48^th annual meeting

of the Israel society for microscopy, Weizmann institute of science. Rehovot, Israel, May 13-14^th, 2014. (poster)

V. Erukhimovitch and S. Hayun. "Spectroscopic Study in the MgOnAl₂O₃ System", The 14th International Multidisciplinary Scientific GeoConference &

EXPO S G E M, June 17-26, 2014, Albena, Bulgaria. (poster)

S. Hayun, H. Dilman, E. Oz, M. Dariel, N. Frage "Boron Carbide-aluminum Composites Fabricated by Pressureless Infiltration at Low Temperature "

International Conference on Mining, Material and Metallurgical Engineering MMME'14 August 11-12 2014 Prague, Czreh Republic (poster)

M. Halabi and S. Hayun, "Cations distributions and inversion parameter in the MgOnAl₂O₃ spinel system" The 32^nd Israel Vacuum Society conference - IVS

2014, Sep. 2014 , Herzliya, israel - Best poster award (poster)

S. Sagi, and S. Hayun, "Surface and water adsorption enthalpies of nanoscale Nd doped CeO2" The 32nd Israel Vacuum Society conference - IVS 2014,

Sep. 2014 , Herzliya, israel (poster)

M. Halabi, V. Ezersky, A. Kohn and S. Hayun, "Distributions of cations and inversion parameter in nonstoichiometric magnesium aluminate spinel characterized

by electron energy-loss spectroscopy l"18 The International Microscopy Congress (IMC 2014), Prague, Czech Republic, 7-12 Sep. 2014. (oral)

S. Hayun, H. Dilman, E. Oz , M.P. Dariel and N. Frage, “Boron Carbide-aluminum Composites Fabricated by Pressureless Infiltration at Low Temperature”,

Proceedings of the International Conference on Mining, Material and Metallurgical Engineering Prague, Czech Republic, August 11-12, 2014. (poster)

M. Radune, M. Zinigrad, N. Frumin, S. Hayun and N. Frage, “Thermal stability of supersaturated (Ti, Al)N solid solution” The Eighth International Conference

on Material Technologies and Modeling (MMT-2014), July 28-August 1 , 2014. (oral)

Y. Mordekovitz and S. Hayun, "The effect of lithium on the synthesis and sinterabilty of nano magnesium aluminate spinel" The 32^nd Israel Vacuum Society

conference - IVS 2014, Sep. 2014 , Herzliya, israel (poster)

M. Halabi , A. Kohn and S. Hayun “Measuring the Space Charge Potential in Granular Magnesium Aluminate Spinel using OffAxis Electron Holography” The

49th Annual Scientific Meeting of ISM (ISM 2015) Bar-Ilan University, Ramat Gan. 17-18 May 2015. Best poster Prize in Materials Sciences (poster)

Y. Shoval and S. Hayun ,“Water adsorption enthalpy of non-stoichiometric magnesium aluminate spinel” 8^th International Conference on High Temperature

Capillarity (HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany. (poster)

S. Sagi and S. Hayun,“Surface and water adsorption enthalpies of Nanoscale Nd doped CeO₂” 8^th International Conference on High Temperature Capillarity

(HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany (poster)

E. Oz, H. Dilman, S. Hayun, N. Frage, “Low temperature fabrication of the reaction bonded B₄C/Al -Si composites” 8^th International Conference on High

Temperature Capillarity (HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany

Y. Mordekoviz and S. Hayun, “Effect of lithium on the synthesis process and phase stability of non-stoichiometry nano magnesium aluminate spinel” 8^th

International Conference on High Temperature Capillarity (HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany (poster)

T. Mordechai , I. Edry and S. Hayun, “The effects of cooling rate and duration of Pulse Magneto Oscillation (PMO) treatment on the solidified structure of

aluminum” 8^th International Conference on High Temperature Capillarity (HTC-2015) May 17-21, 2015 Bad-Herrenalb, Germany (poster)

M. Halabi , A. Kohn and S. Hayun, “Measuring the Space Charge Potential in Granular Magnesium Aluminate Spinel using Off-Axis Electron Holography”

Microscopy conference 2015 (MC 2015), Georg-August-University G?ttingen, Germany. 6-11 September 2015. MC Best Poster Award in Materials

Sciences: Ceramics, Composites, Geomaterials, Archaeology (MS7). (poster)

S. Meir and S. Hayun, “Electric Field Effects on Spinel Structure” 11th International Conference of Pacific Rim Ceramic Societies(PacRim-11) Jeju Island,

Korea from Aug. 30th- Sept. 4th, 2015. (oral).

S. Meir and S. Hayun, “Influence Of Electric Fields At High Temperatures On Ceramic Microstructure” Israel Materials Engineering Conference IMEC 17,

Bar-Ilan University, Ramat-Gan on February 1-2, 2016. (poster).

Y. Mordekovitz, S. Hayun “Effect Of Lithium On Thermal Stability Of Nano-Sized Non-Stoichiometeric Magnesium Aluminate Spinel”, Israel Materials

Engineering Conference IMEC 17, Bar-Ilan University, Ramat-Gan on February 1-2, 2016. (poster).

L. Shelly, Y. Mordekovitz, S. Hayun “Grain Growth Kinetics In Li-MgO·1.21Al₂O₃ Spinel, Israel Materials Engineering Conference IMEC 17, Bar-Ilan

University, Ramat-Gan on February 1-2, 2016. (poster).

M. Halabi, A. Kohn, S. Hayun “Measuring The Space Charge Potential In Granular Magnesium Aluminate Spinel Using Off-Axis Electron Holography, Israel

Materials Engineering Conference IMEC 17, Bar-Ilan University, Ramat-Gan on February 1-2, 2016. (oral).

I. Edry, T. Mordechai, N. Frage, S. Hayun “Effect Of Pulse Magneto-Oscillation (Pmo) Treatment Parameters On The Structure Of Solidified Aluminum”,

Israel Materials Engineering Conference IMEC 17, Bar-Ilan University, Ramat-Gan on February 1-2, 2016. (oral).

Y. Mordekovitz, S. Hayun “Water-surface energetics in Ce1-xM_xO₂-y(M-Ca, Ti, Nd) system” 2016 E-MRS Fall Meeting, Warsaw University of Technology

Plac Politechniki 1 - Warsaw, Poland. Oct. 19-22, 2016. (poster).

L. Shelly, Y.Mordekovitz, S.Hayun “X-Ray Photoelectron Spectroscopy of Neodymium doped Cerium oxide <http://www.european-mrs.com/advanced-

composite-materials-production-testing-applications-emrs>” 2016 E-MRS Fall Meeting, Warsaw University of Technology Plac Politechniki 1 - Warsaw,

Poland. Oct. 19-22, 2016. (poster).

M. Halabi, A. Kohn, S. Hayun “Distribution of Electrostatic Charge in Nanoscale Magnesium Aluminate Spinel“ 2016 E-MRS Fall Meeting, Warsaw

University of Technology Plac Politechniki 1 - Warsaw, Poland. Oct. 19-22, 2016. (poster).