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Digital repository of ITS SASA

 

Centre for Fine Particles Processing and Nanotechnologies

           

Activity in the field of materials in the Institute started in 1974, first in the field of physics and sintering technology, to develop today into the modern Centre in the field of materials science and engineering with basic programs directed to the new materials synthesis by powder processing and nanotechnology. Number of fundamental and engineering disciplines represents the bases for development of wide range of advanced materials – from nano to macro level. Certainly, among them are various atomization methods, aerosol synthesis, high-energy mechanical milling, sonochemical synthesis, self-propagating high-temperature synthesis, sol-gel and chemical precipitation, as well as various polymerization processes and methods for production of inorganic-organic nanocomposites and hybrid materials. Particles with narrow size distribution, ranging from nano to macro levels, obtained in quantities of 100 mg to 10 g in typical cases to more than 100 g, as in case of centrifugal atomization by rotating electrode process. Obtained nano and micro particles are directly used in some investigations or further processed into high-density two and three dimensional microstructures. Wide range of functional materials, including electronic, electrochemical, optical and catalytic materials, biomaterials and pharmaceutical materials intended as drug-delivery carriers with controlled release of medicaments, are the focus of research programs in the field of advanced materials and nanotechnologies. The aim of all these activities is to approach the solutions of some of the critical problems of sustained development in the field of health, environment, energy, water and other global challenges dominating our present and near future.


Excepted by the University, other scientific research organizations and industry as a leading centre with clear recognizability, it gathers wide range of researchers with multidisciplinary character and represents the leading power in this field in the country. Although the trend from the beginning was to publish research results in the articles of the internationally significant journals, because of the relatively narrow field, most were published in the Conference Proceedings, albeit by the internationally renown publishers. Relatively early on, at the beginning of 1990’s, the articles were published in eminent journals and this practice mostly continued later on. Overall number of published articles is probably more than 300 SCI publications. According to Web of Science, from 2003 until the end of 2006, 116 articles were published, averaging 28 annually, thus more than 1 article per financed researcher annually, or 3 per researcher with PhD. Citation of these articles is hard to calculate precisely but it is estimated that these publications were cited in the period from 2001 more than 100 times per year. Also, in the previous period of time, significant results were published in the number of books and monographs, locally and internationally.

 
particles
 
Fine spherical particles of oxide, non-oxide, metallic, polymer and composite materials, from nano to macro level for a wide field of advanced technologies, obtained by various synthesis procedures, represent the “brand” of the Institute worldwide.
 
FIPANANO
 
Global scheme of the Institute’s activities in the field of fine particles and nanotechnologies


 

Instruments and Equipment Available in the Centre

Powder preparation:

  • Rotating Electrode Processes
  • Twin-fluid and ultrasonic (800 Hz, 1,3, 1,7 and 2,5 MHz) and electro spray pyrolysis
  • Ultrasonic Suslick Reactor VCX-750
  • Retsch PM4 for mechanical milling and processing
  • RTD Hydrothermal reactor, Model 4534
  • Dip-coating

Equipment for pressing and sintering:

  • Cold and hot Carver Press Model 4386
  • Herraeus furnace (1300°C)
  • Protherm high-temperature furnace with Ordel control unit (Alser Teknik)
  • Home made furnaces for calcination and sintering
  • Vacuum oven for ceramic-polymer composite preparation
  • High-temperature tube furnace, horizontal and vertical position, with three independently controlled temperature zones and Tmax=1300°C

Characterization Facility:

  • X-ray Diffractometer Philips PW1050
  • High-temperature dilatometer Bähr Gerätebau GmbH Type 702s
  • Differential scanning calorimeter (DSC-50 Shimadzu)
  • Differential thermal analysis (DTA-50 Shimadzu)

Equipment in the Institute of Nuclear Sciences »Vinca«, bought by the Ministry of Science through so called ' transformation of Vinca', for the programs realized in ITS SASA:

  • Atomizer Aerosol Generator, Model 3079, TSI, which generates mono-dispersive aerosol;
  • Electrospray Aerosol Generator, Model 3480, TSI, which generates mono-dispersive aerosol;
  • Scanning Mobility Particle Sizer System (SMPS), Model 3936L25, TSI, for in-situ determination of size, size distribution and concentration of aerosol particles in range of 10-1000nm

 

 
   
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