Advanced and Nanostructurated Materials

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Advanced and Nanostructurated Materials

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Advanced and Nanostructurated Materials

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Advanced and Nanostructurated Materials

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Advanced and Nanostructurated Materials

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Advanced and Nanostructurated Materials

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The Advanced and Nanostructured Materials Laboratory addresses both scientific research directions (fundamental character) and technological and technical research directions (applicative character).

The specific strategic objective of this laboratory is the development of high value added advanced and nanostructured materials, based on non-ferrous metals, for medical applications, energy and extreme work conditions.

Scientific objectives involve focusing on the following main types of activities:

  • Synthesis and efficient fabrication of advanced and nanostructured materials through environment-friendly methods, intelligent integration of new and existing processes to ensure efficient transfer of knowledge to industrial innovation;
  • New fundamental products that provide sustainable solutions in the field of medicine, energy and extreme working conditions;
  • Advanced scientific knowledge on the potential impact of advanced and nanostructured materials on health or the environment and identifying the tools needed to assess the risk over the lifetime;
  • Developing the ability to measure / characterize the properties of advanced and nanostructured non-ferrous metal materials and the predictive modeling of their manufacturing processes to allow their rapid introduction to the market.

The laboratory has an extensive experience in the field of special alloys elaborating by conventional and nonconventional methods.

The main expertise of the research group is based on the obtaining of metals and alloys (Al-Cr-Cu-Fe-Mn-Ni-Ti multi-component high-entropy alloys, Ti-Zr-Ni-TR complex alloys for hydrogen storage, Ti alloys) by the melting and casting route (electrical and induction furnace melting) and heat treatment. Also, ANM has valuable expertise in the synthesis of metallic materials through mechanical alloying (Al-Mg-Mn-Cr-Ti alloys), rapid solidification (amorphous and nanostructured thin films and strips of Al and Ti alloys) and electrochemical co-deposition in molten salts (Al-TR, Al-Li, Mg-Nd, Pb-Ca, Nd-Fe), ionic liquids (Al-Cr-Cu-Fe-Mn-Ni high entropy alloys) and in aqueous media (thin films protective coatings Zn-Ni-P, semiconductor thin films Cu-In-Se).

The fundamental scientific research is focused on the theoretical understanding, prediction and modeling and optimization of metals and alloys characteristics and the synthesis technologies. ANM follows a systematic and integrated theoretical-experimental approach for studying the structure-property correlation for a wide range of metallic materials with significant potential for various industrial applications.

The applied research character of the department activity results from achievements in the development of innovative alloys obtaining technologies and product standardization and commercialization. The laboratory has participated in complex national and international research projects in the field of advanced nonferrous alloys.

Endowment

Composed of:

  • Autoclave CORTEST: 2.2L stainless steel/teflon autoclave , PID programmer, max. temperature 304°C, max. pressure 250 atm., possibility to work under inert gas atmosphere, electrodes system (working electrode, counter-electrode and reference electrode) connected at potentiostat/galvanostat Radiometer PGZ100.
  • Autoclave SAM: 1L (1 piece) and 2L (2 pieces) stainless steel/teflon autoclave, PID programmer, max temperature 300°C, max. pressure 250 atm., possibility to work under inert gas atmosphere;
  • Potentiostat / Galvanostat Radiometer PGZ100 / Voltalab 10 and Booster Radiometer

Consists of a 50 l glass cascade reactor complex, Bibi Stirling D4000 distiller, Direct Q3 UV Ultra Pure Water System, pH Meter / Computerized Conductivity Meter Jenway 4330, high-capacity electronic agitators, filtration systems, vacuum pumps.

  • KW-4A laboratory spin coating apparatus;
  • printer 3D Bioscaffolder, SYSENG;
  • oven with digital programmer, CARBOLITE, 1700°C;
  • laboratory oven, MHI, 1760°C, controlled atmosphere;
  • Memmert TWW-UFE 400 programmable oven;
  • granulator powders;
  • homogenizer powders;
  • ball mills.
  • Differential scanning calorimeter Neztsch DSC F3 Maia;
  • UV-VIS PG Instruments T90 + spectrometer
  • FT-IR spectrometer, ABB MB 3000
  • Zetaseizer ZS90 laser and zetapotential granulometer;
  • equipment for contact angle determination Drop Shape Analyzer DSA100, KRÜSS
  • Scratch tester with AFM mode, NANOVEA
  • SV-10 viscometer

Melting and casting in vacuum/controlled atmosphere, Linn High Therm GmbH, molds in a controlled atmosphere.

Potentiostat / galvanostat with digital control; electrolysis cells set: different capacities (1-10 A) endowed with heating and shaking capacity; Glove Box Brown MB-20G enclosure with controlled atmosphere (argon or nitrogen); thermostatic heater, maximum temperature 300 ° C; magnetic stirrer with heating, peristaltic pump, analytical balance.

DC-rectifier type R-CCT R / m, max. 12V / 600A; Tacussel PRT 10-20X potentiostat type, max. ± 20V / ± 10A; molten salts electrolysis cells: 0.3-30dmc, max. 1200 ° C; KS 3000 digital measurement and recording interface; drying installation – purification of inert gases (argon, nitrogen); Anode gas detection and analysis apparatus (CO, CO2).

CTF 12/100/90 vertical electric furnace, with digital programming; airtight enclosure for melt treatment with controlled atmosphere; temperature measuring apparatus (portable optical pyrometer); hydraulic press 6tf, mold press for metal powders 20x30mm.

Consisting of: frequency generator, inductor, melting crucibles, cooling disk (copper), laser tachometer.

Services

Technology consultant development of nanostructured powder synthesis technologies:

  • synthesis of ceramic nanopowders and inorganic-organic hybrids by hydrothermal / solvotermal process (nanostructured powders based on: pure and doped TiO2, pure ZrO2 and doped with Y2O3 and rare earths, ZnO doped with Ag or Al, hydroxyapatite-based hybrid powders and synthetic or natural polymers);
  • synthesis of ceramic and composite powders by hydrolytic processes (precipitation and co-precipitation): pure ZrO2-doped and doped with Y2O3 and rare earth powders, composite metal-ceramic powders with core / shell structure, etc.

Technology consultancy for obtaining thin films.

Technological consultancy for nanostructured powder processing.

Thermal analysis of advanced materials by differential scanning calorimetry.

Granulometric analysis and electro-kinetic potential of nanoparticles.

Structural analysis of advanced and nanostructured materials by FT-IR and UV-VIS spectroscopy.

Technology Transfer Services (Technological Assistance, Technological Audit) in the field of nanomaterial synthesis in collaboration with the Technology Transfer Center for Advanced Materials – CTT AVANMAT.

Technology Transfer Services (Technological Assistance, Technological Audit)

in the field of nanomaterial synthesis in collaboration with the Technology Transfer Center for Advanced Materials – CTT AVANMAT.

Technological consulting regarding metal matrix composite materials

synthesis- in-situ elaboration of metal matrix composites reinforced with ceramic particles through novel and efficient methods.

Technological consulting regarding the obtaining of thin films based on metallic alloys.

Advantages: films with low thickness and enhanced physical-chemical and structural properties are obtained; economical and eco-friendly processes, with reduced energy consumption and inexpensive raw materials (salts, oxides); regular experimental conditions, low temperature processes, common equipments. Thin films for various applications (corrosion and tribological protective coatings, solar energy harvesting) by electrochemical deposition from aqueous solutions. Optimization of electrochemical processes. Development of laboratory and pilot level electrochemical deposition installations.

Technological consulting for technologies of recycling of nonferrous metals.

Development of innovative and ecological technologies for the processing of various types of wastes and the recycling of nonferrous and precious metals by hydrometallurgical, pyrometallurgical and electrochemical methods.

Technological consulting regarding the elaboration of special alloys

by melting in electric and induction furnaces, in vacuum or controlled atmosphere (obtaining multi-component high-entropy alloys -HEAs, AB2-23,5Ti11,2Zr38,3Cr27Mn and AB5-64,1Ni33,3Mn2,6Al type hydrogen storage alloys, ecological soldering and brazing alloys based on Ag, Cu, Sn, with no contents of Cd, Pb or other toxic metals, copper and copper alloys, various types of steel, including stainless steels). Advantages: very good physical-mechanical and technological characteristics (HEAs, soldering, brazing, joining), good hydrogen storage capacities, high efficiency and stability in absorption/desorption cycles, low temperature and pressure hydrogen absorption, wide range of applications in various industrial domains (electric and electronic equipments, food industry equipment, mechanical engineering etc.). Obtaining micro and nanostructured alloys by rapid solidification (melt-spinning). Thermodynamic and kinetic assessment of alloy systems and synthesis processes. Design of laboratory experimental installations.

Technological consulting for technologies of obtaining reactive metals and alloys

by molten salts electrolysis (technologies for obtaining Li and Li-Na, Al-Li, Pb-Ca alloys by electrochemical co deposition in chlorinated and oxifluorochlorinated media; technologies for obtaining lanthanides (Ce, Nd, Pr, Sm) and Al-RE alloys, mischmetall, Mg-Nd, Nd-Fe-B, by electrolysis in oxifluorurated media, technologies for obtaining rare metals, titanium, zirconium, refractory metal alloys, by unconventional electrochemical techniques – ionization-electrochemical reduction in chlorine media). Advantages: continuous process, high energy and current efficiency (over 90%), use of inexpensive and common raw materials, high purity obtained products (min.99%), alloy obtaining in a single technological step, eco-friendly technological processes.

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