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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F12%3A43868080%21RIV13-MSM-28110___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
The submitted article presents the assessment of mechanical properties (microhardness) of the surface layer of modified polypropylene. The principle of the radiation process is the ability of the high energy radiation to produce reactive cationts, anoints and free radicals in the material. The industrial application of the radiation process on polymer and composites includes polymerization, crosslink-linking and degradation. The polymer additional cross-linking influences the surface nano and micro layers in the way comparable to metals during the thermal and chemical-thermal treatments (e.g. surface hardening, cementation). By the morphology changes and the partial cross-linking the PP obtain an excellent friction quality, wear and thermal resistance of the surface layer. The surface layer of polymer material such as polypropylene is modified by β – radiation. After the polypropylene is subjected to radiation, changes of the surface layer at applied load are observed. The article describes the measurement of mechanical properties of modified surface layers of PP using the instrumented test of microhardness (DSI - Depth Sensing Indentation). The submitted article presents the assessment of mechanical properties (microhardness) of the surface layer of modified polypropylene. The principle of the radiation process is the ability of the high energy radiation to produce reactive cationts, anoints and free radicals in the material. The industrial application of the radiation process on polymer and composites includes polymerization, crosslink-linking and degradation. The polymer additional cross-linking influences the surface nano and micro layers in the way comparable to metals during the thermal and chemical-thermal treatments (e.g. surface hardening, cementation). By the morphology changes and the partial cross-linking the PP obtain an excellent friction quality, wear and thermal resistance of the surface layer. The surface layer of polymer material such as polypropylene is modified by β – radiation. After the polypropylene is subjected to radiation, changes of the surface layer at applied load are observed. The article describes the measurement of mechanical properties of modified surface layers of PP using the instrumented test of microhardness (DSI - Depth Sensing Indentation).
dcterms:title
Microhardness of modified polypropylene Microhardness of modified polypropylene
skos:prefLabel
Microhardness of modified polypropylene Microhardness of modified polypropylene
skos:notation
RIV/70883521:28110/12:43868080!RIV13-MSM-28110___
n12:predkladatel
n13:orjk%3A28110
n3:aktivita
n17:S
n3:aktivity
S
n3:cisloPeriodika
49-Speciál
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n7:1371509 n7:9694846 n7:5993393 n7:1309870
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
150343
n3:idVysledku
RIV/70883521:28110/12:43868080
n3:jazykVysledku
n4:eng
n3:klicovaSlova
Polypropylene, microhardness, irradiation, cross-linking
n3:klicoveSlovo
n6:cross-linking n6:irradiation n6:microhardness n6:Polypropylene
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[090324985367]
n3:nazevZdroje
Plasty a kaučuk
n3:obor
n18:JR
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
XLIX
n3:tvurceVysledku
Maňas, David Maňas, Miroslav Ovsík, Martin Staněk, Michal
s:issn
0322-7340
s:numberOfPages
3
n14:organizacniJednotka
28110