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INSTITUTE OF MATERIALS RESEARCH OF SASINSTITUTE OF MATERIALS RESEARCH OF SASKOKOŠŠICE, SLOVAKIAICE, SLOVAKIA
Jan Jan [email protected]@imr.saske.sk
PROJECTPROJECT--GERERATION WORKSHOPGERERATION WORKSHOP““9.2.2007, 9.2.2007, IMR SASIMR SAS, Watsonova 47, Ko, Watsonova 47, Koššiceice
RESEARCH IN RESEARCH IN NANOTECHNOLOGY NANOTECHNOLOGY &&NANOMATERIALS NANOMATERIALS
IN KOIN KOŠŠICEICE
EUROPE & SLOVAKIAEUROPE & SLOVAKIA
Nano - research in Slovakia/Kosice• Institutes of Slovak Academy of Sciences
• Institutes of Universities
EUROPE
SlovakRepublic
SAS IndustryUniversities
•• From From ccacca 19951995•• Main areas:Main areas:
-- Bulk Bulk nanostructurednanostructured materials (metallic, ceramic, materials (metallic, ceramic, composites, etc.);composites, etc.);
-- NanoNano –– powder, powder, nanotubesnanotubes, , nanowiresnanowires;;-- Polymers and bio Polymers and bio –– materials;materials;-- Thin films and coatings;Thin films and coatings;For electro/functional, structural and bioFor electro/functional, structural and bio--medical medical applications. applications.
-- Education, standardization, application.Education, standardization, application.
NANO NANO –– RESEARCH / SCIENCERESEARCH / SCIENCEIN SLOVAKIAIN SLOVAKIA
SLOVAK NETWORKSSLOVAK NETWORKS
INSTITUTE OF INORGANIC CHEMISTRY, SAS DEPARTMENT OF CERAMICS
INSTITUTE OF EXPERIMENTAL PHYSICS, SAS DEPARTMENT OF MAGNETISM
INSTITUTE OF GEOTECHNICS, SAS DEPARTMENT OF MECHANOCHEMISTRY
INSTITUTE OF MATERIALS and MACHINE MECHANICS, SAS DEPARTMENT OFMICROSTRUCTURE OF COATINGS and BOUNDARIES
INSTITUTE OF PHYSICS, SAS DEPARTMENT OF METAL PHYSICS
INSTITUTE OF MATERIALS RESEARCH, SAS DEPARTMENT OF STRUCTURALCERAMICS - Coordinator
ELECTRICAL INSTITUTE OF SAS
Centre of Excellence of SASNANOSTRUCTURED MATERIALS – NANOSMART
2003 – 2006, 2006 - 2010
SLOVAK NETWORKSSLOVAK NETWORKS
NANOSMARTNANOSMART+ +
Laboratories from SASLaboratories from SAS++
Laboratories from UniversitiesLaboratories from Universities
NATIONAL CENTRE OF EXCELLENCEfor
Nano-science & nano-technology
2006
•• NanoSciNanoSci –– ERAERA•• MINAEASTMINAEAST•• NENAMAT Network for Nanostructured NENAMAT Network for Nanostructured
Materials of Associate Candidate Countries Materials of Associate Candidate Countries •• NANOMATNANOMAT--targeted action to encourage the targeted action to encourage the
participation of SMEs in the 6FP, in the participation of SMEs in the 6FP, in the Nanotechnologies and knowledge based Nanotechnologies and knowledge based multifunctional materrials fieldsmultifunctional materrials fields
INTERNATIONAL ACTIVITIESINTERNATIONAL ACTIVITIES
INTERNATIONAL ACTIVITIESINTERNATIONAL ACTIVITIES
Network for Network for NanostructuredNanostructured Materials of ACC Materials of ACC (NENAMAT, INCO(NENAMAT, INCO--CTCT--20032003--510363), 510363), 2004 2004 –– 20062006
• to mobilize in ACC existing human and material resources in the field of nano-structured materials;
• significantly improve the communication and collaboration between centers working in this area of research in individual ACC and between the Centers in ACC, Member States, Russia & New Independent States (NIS) and Southeast European Countries, (SEEC);
• to disseminate scientific information as well as results of the research in the field of nanotechnology and nanostructuredmaterials;
• to consolidate, network and strengthen the RTD potential in the area of ACC;
• to create a common platform for coordination of the research, education and training activities in ACC in the field of nano-structured materials;
• to contribute to the building of ERA ;
INTERNATIONAL ACTIVITIES INTERNATIONAL ACTIVITIES --AIMS of NENAMATAIMS of NENAMAT
• Institute of Materials Research of the Slovak Academy of Sciences, Košice, Slovak Republic
• Institute of Electrochemistry and Energy Systems of the Bulgarian Academy of Sciences, Sofia, Bulgaria
• Faculty of Mechanical Engineering of the Brno University of Technology, Brno, Czech Republic
• Institute of Materials Technology, Tallin Technical University, Tallin, Estonia• Research Institute for Technical Physics and Materials Science of the
Hungarian Academy of Sciences, Budapest, Hungary• Institute of Inorganic Chemistry of the Riga Technical University, Riga, Latvia• Faculty of Materials Science and Engineering, Warsaw University
of Technology, Warszaw, Poland• National Institute of Research and Development for Technical Physics Rumania• “Jožef Stefan” Institute, Department of Engineering Ceramics, University of
Ljubljana, Ljubljana, Slovenia• Isik University, Maslaki, Istambul, Turkey
INTERNATIONAL ACTIVITIES INTERNATIONAL ACTIVITIES --CONSORCIUM of NENAMATCONSORCIUM of NENAMAT
• NANOVED ‘03 – Bratislava;• NANOVED ’04 - Košice in cooperation
with MINAEAST- NET;• MOBILIZATION WORKSHOP -
NENAMAT ’05 - High Tatras;• CAMIN ‘05 Smolenice Castle;• NANOVED ’06 / NENAMAT-High Tatras.
WORKSHOPS & CONFERENCESWORKSHOPS & CONFERENCES
RecentlyRecently•• Processing :Processing :
Different mills for powder preparation;ECAP systems;Rapid solidification facilities;Hot presses, GPS furnaces ;PVD; thermogravimeter, calorimeter, etc.
•• Characterization & testingCharacterization & testingOM, SEM, TEM, AEM, HREM – 200kV ;SEM – JEOL 7000, NanoScanSQUID, AFM, X – ray, static and dynamic laser scattering equipments;Micro-nano indentation facilities, mechanical & creep tests, etc;
FACILITIESFACILITIESAwaiting
HRTEM – 300kV
Nano - hardness, scratch, tribology
impact, 2007, NCE
Spark plasma sintering furnace;
Advanced PVD;
Auger spectroscopy, etc, 2008-9
European Structural Funds
2007-2013, 800 mill Euro for Resarch & Development
Ing. Juraj Ďurišin, CSc. – [email protected]
Research topic in Nano
• Preparation of the nanocrystalline copper powder mixtures (Cu-Al2O3, Cu-MgO ...)by different methods based on the combination of mechanical milling with phasetransformations of the precursors and their compaction into bulk dispersionstrengthened materials
• Study of dispersoid effect on the nanocrystalline matrix grain stability at elevatedtemperatures
• Analyse of mechanical properties in relation to the material microstructure
Recent project
Evolution and microstructure stability of nanocrystalline grain (No. 2/4172/06)
Institute of Materials ResearchSlovak Academy of Sciences
Watsonova 47, 043 53 Košice, Slovak Republichttp://www.imrnov.saske.sk
Institute of Materials ResearchSlovak Academy of Sciences
0
30
60
90
120
150
180
0 200 400 600 800 1000Temperature (oC)
Hard
ness
HB
Cu-MgO Cu-Al2O3
Al2O3
Al2O3
MgO
Homogeneous Cu – Al2O3 microstructure Bimodal Cu – MgO microstructure
MECHANICAL PROPERTIES
Yield
strength (MPa)
Tensile strength (MPa)
Ductility
(%)
Brinnel hardness
HB Cu – 3 vol.% MgO 145 240 22 90
Cu – 3 vol.% Al2O3 397 436 2 160
coarse-grained Cu 100 135 22 62
Head: Dr. Ivan Škorvánek, Inst. Exp. Physics SAS, 043 53 Kosice, [email protected] tel. +421 55 7922235
Group of Nanostructured Magnetic Materials
Research interests :• composition-structure-property relationship in nanostructured magnetic systems• soft magnetic materials with bcc-Fe, Fe(Si) and FeCo nanoparticles embedded
in a residual amorphous matrix • magnetic nanoparticles and nanocapsules with core/shell structure• materials for magnetic refrigeration
Selected research projects:Volkswagen Foundation VW-I/75961 Soft Magnetic Nanocrystalline Materials with Improved Combination of Application Oriented Properties (2000-2003)NATO PST.EAP.CLG 981072 - Science for security Novel soft magnetic nanocrystalline alloys with high critical temperatures (2004 - 2006)COST 523 Structural and functional properties of soft magnetic nanocrystalline materials (2001-2004VEGA 2/4065 Structure and magnetic properties of transition metal based nanocrystalline materialsprepared by controlled crystallization from amorphous precursors (2004-2006)APVT-20-018402 New multiphase materials with defined microstructure and extraordinary physicalproperties (2004-2006)APVT-20-018402 Synthesis and characterization of nanomaterials prepared by non-traditional methods from metals and raw materials precursors (2002-2005)
Group of Nanostructured Magnetic MaterialsSelected results
HRTEM of Fe-based nanocapsules
-3000 -2000 -1000 0 1000 2000 3000-200
-150
-100
-50
0
50
100
150
200 Zero field Longitudinal field
(20 kAm-1) Transverse field
(640 kAm-1)
(FeCo)81Nb7B12 annealed at 500 °C/1h
Mag
netis
atio
n [A
m2 /k
g]
H [A/m]
Improved soft magnetic properties of nanocrystallineFeCoNbB after heat treatment in external magnetic field
Magnetization curves for Dy/Dy2O3 nanoparticles at low temperatures
GroupGroup: : CeramicCeramic SuperconductorsSuperconductors and and NanomaterialsNanomaterialsInstitute of Experimental Physics, SAS
Head: Pavel Diko, [email protected]
Research field: - nano-pining centers in singlegrain REBCO bulk superconductors
- synthesis of nanoparticles stable at high temperatures - trapping of nanoparticles by growing crystal
Projects: SCENET, THE EUROPEAN NETWORK FOR SUPERCONDUCTIVITY , GROWTH 5 RP 2003-2006EFFORT , The European Forum for Processors of Large Grain (RE)BCO Funded by the UK goverment and by European Commission 2003-2007NENAMAT, NANOSMART
SCENETThe European Network for Superconductivity
REBCO Effort
20µm
Y2Ba4CuUOx particles
trapped in YBa2Cu3Ox
crystal at 1000 oC
5 µm
10
10
20
n
d211
[μm]dUbp [µm] 1
YBa2Cu3O7 Y2O3
CeO2 After milling
STRUCTURAL CERAMICS DEPARTMENT,STRUCTURAL CERAMICS DEPARTMENT,CENTRE OF EXCELLENCE FOR NANOSTRUCTURED CENTRE OF EXCELLENCE FOR NANOSTRUCTURED
MATERIALS OF SASMATERIALS OF SASATAT
INSTITUTE OF MATERIALS RESEARCHINSTITUTE OF MATERIALS RESEARCH
[email protected]@imrnov.saske.sk
Prof. Dr. Jan Prof. Dr. Jan DuszaDusza, , Dr.ScDr.Sc., ., -- [email protected]@imr.saske.sk
Development of structural ceramic nanocomposites – characterization of microstructure and testing of mechanical properties
•• 5FP5FP-- Structural integrity of ceramic multilayers and coatingsStructural integrity of ceramic multilayers and coatings(SICMAC, RTN2(SICMAC, RTN2--20012001--00488), 00488), 20022002--20062006
•• 6FP 6FP –– Knowledge based Multicomponent Materials, Knowledge based Multicomponent Materials, ( KMM( KMM--NoE, 502243NoE, 502243--2), 2), 20042004--20082008 20082008
•• 6FP 6FP –– Network for Network for NanostructuredNanostructured Materials of ACC Materials of ACC (NENAMAT, INCO(NENAMAT, INCO--CTCT--20032003--510363), 510363), 2004 2004 –– 20062006
• High - temperature materials, high thermal efficiency and lower exhaustemission;
• Sintering additives/Intergranular phase• Si3N4 + SiC nanocomposite• HT properties: strength, creep, fatigue
SiSi33NN44 + + SiCSiCnanocompositesnanocomposites
PROCESSING PROCESSING –– SiSi33NN44+SiC+SiCPolysilazane
[MeSiH-NH]m[Me2SiNH]n
Pyrolysis, 1000 0C, Ar
Silicon CarbonitrideSixCyNz
+ Y2O3 + Al2O3Milling/Pressing
Sintering1750 - 1900 0C, N2
β-Si3N4 + β-SiCComposite
α-Si3N4 Powder + [(Me2Si)m(MePhSi)]n
+ Y2O3+Al2O3
Milling/Pressing
Pyrolysis1000 0C, Air
Sintering1750 0C -1900 0C, N2
β-Si3N4 + β-SiCComposite
α-Si3N4 Powder + amorphous Si-C-N
+ Y2O3+Al2O3
Milling/Pressing
Sieving/Drying
CIP, GPS/HT
β-Si3N4 + β-SiCComposite
Si3N4
Si3N4
Si3N4Si3N4
Si3N4
Si3N4
Si3N4
Si3N4SiC
SiC
SiC
CREEP DAMAGE IN SiCREEP DAMAGE IN Si33NN44 AND AND SiSi33NN44+SiC+SiC
J.Dusza et al J. Am. Ceram. Soc., 87, (2005),2113-2117
5,6 5,8 6,0 6,2 6,4 6,6 6,8 7,01E-10
1E-9
1E-8
1E-7
SiCN-derivedCarbon derivedlmixed Si3N4+SiCmonolithic Si3N4,
104/T[K-1]
Cre
ep R
ate
[s-1]
Y2O3
Nano
com
posit
CREEP RESISTANCE IMPROVEMENT OF SiCREEP RESISTANCE IMPROVEMENT OF Si33NN44 CERAMICS CERAMICS BY INTERCORPORATING BY INTERCORPORATING SiCSiC NANOPARTICLESNANOPARTICLES
INTO THE SiINTO THE Si33NN44 / Si/ Si33NN44 BOUNDARIESBOUNDARIESCOOPERATION: IMR SAS, IACH SAS, QM University of London
100 nm
SiC
Si3N4
Si3N4
6.6 A
CHANGED CREEP MECHANISMSIMPROVED CREEP RESISTANCE
nc - MeN/ kov Me = W, Crnc - MeC/a – Cnc - MeC/a – C:Hnc - MeC/DLCnc - MeC/a – CNxnc - MeC/a-C+a-nitridnc - MeN/DLCnc - MeN/a – nitrid
Hardness of the WC/C coat is 40 GPameasured by nanoindentation
0,00
2,00
4,00
6,00
8,00
10,00
12,00
0,00E+00 5,00E-02 1,00E-01 1,50E-01
h [?m]
F [m
N]
THANK YOUTHANK YOU