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| Description
| - The project arises from the actual need to replace the Pb-based solders by environmentally friendly materials using a technology of pastes containing powders of low-melting Pb-free alloys. The materials studied shall be the nanopowders of pure metals and alloys that are nature friendly and non-toxic (Cu, Ag, Sn, Sn-Zn, Sn-Ni). We shall study the following structures: substrate/nanopowder/substrate. Interactions of nanoparticles with each other, interactions of nanoparticles with the surrounding atmosphere (gaseous oxygen) and with the substrate (Cu, Ag, Ni, Sn-Zn, Sn-Ni) shall be studied. An important outcome of the use of metal nanoparticles is to decrease their melting point in comparison with the corresponding bulk material. We shall investigate this behaviour by the thermal analysis (DTA and DSC). The oxidation of nanoparticles shall be investigated using the termogravimetry (DSC/TG). The interactions of nanoparticles with the substrate and the formation of intermetallic phases shall be analyzed using the analytical electron microscopy. In parallel, we shall use the theoretical methods to predict the equilibrium states (CALPHAD) and diffusion simulation. (en)
- Získání původních vědeckých výsledků o fázovém a mikrostrukturním chování nanočástic na bázi čistých kovů a jejich slitin vhodných pro použití k pájení v elektrotechnice, sledování jejich oxidačních vlastností, interakce se substrátem a vznik intermetalických fází na rozhraní substrát / nanoprašek.
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| Title
| - Thermodynamics and microstructure of environmentally friendly nanoparticle solders (en)
- Termodynamika a mikrostruktura nanopráškových pájek šetrných k životnímu prostředí
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| skos:notation
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| http://linked.open...avai/cep/aktivita
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| http://linked.open...kovaStatniPodpora
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| http://linked.open...ep/celkoveNaklady
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| http://linked.open...datumDodatniDoRIV
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| http://linked.open...i/cep/druhSouteze
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| http://linked.open...ep/duvernostUdaju
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| http://linked.open.../cep/fazeProjektu
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| http://linked.open...ai/cep/hlavniObor
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| http://linked.open...hodnoceniProjektu
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| http://linked.open...vai/cep/kategorie
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| http://linked.open.../cep/klicovaSlova
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| http://linked.open...ep/partnetrHlavni
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| http://linked.open...inujicichPrijemcu
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| http://linked.open...cep/pocetPrijemcu
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| http://linked.open...ocetSpoluPrijemcu
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| http://linked.open.../pocetVysledkuRIV
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| http://linked.open...enychVysledkuVRIV
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| http://linked.open...lneniVMinulemRoce
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| http://linked.open.../prideleniPodpory
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| http://linked.open...iciPoslednihoRoku
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| http://linked.open...atUdajeProjZameru
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| http://linked.open.../vavai/cep/soutez
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| http://linked.open...usZobrazovaneFaze
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| http://linked.open...ai/cep/typPojektu
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| http://linked.open...ep/ukonceniReseni
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| http://linked.open...ep/zahajeniReseni
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| http://linked.open...jektu+dodavatelem
| - Řešení projektu proběhlo výtečně, jak z hlediska odborného tak i z hlediska čerpání finančních prostředků. (cs)
- The project was excellent, both in terms of expertise and in terms of disbursement of funds. (en)
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| http://linked.open...tniCyklusProjektu
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| is http://linked.open...vavai/riv/projekt
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| is http://linked.open...vavai/cep/projekt
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