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Statements

Subject Item
n2:RIV%2F61989100%3A27640%2F12%3A86084732%21RIV14-MSM-27640___
rdf:type
n19:Vysledek skos:Concept
dcterms:description
The study deals with characterization of wear debris generated from commercial brake pad. Brake pads are multicomponent composites which contain more than 10 constituents and polymer matrix. Braking process produces wear particles in form of elements, organic and inorganic compounds. Wear debris may contain several hazardous materials, which may potentially interact with DNA, or cause carcinomas. Wear debris was collected after standard brake dynamometer test and microscopic techniques were used for their characterization. Transmission electron spectroscopy was used to determine size of the emitted nonairborne wear particles. Elemental analysis was performed by scanning electron microscopy with energy dispersive spectroscopy as well as size of the wear particles. Detailed chemical and phase composition of the commercial brake pad is not provided by manufacturers. Furthermore the braking process is accompanied with significant stress and heat generation leading to release wear debris which may significantly differ from initial brake pad. Therefore, Raman microspectroscopy was chosen as additional technique for the characterization of wear particles. In general, Raman spectroscopy provides information about molecular vibrations, which are specific to the chemical bonds and symmetry of molecules, thus these information can be powerful tool for the identification of composition of wear debris emitted by braking. Using the methods described the presence of nano-sized particles and various components based on metal compounds and elemental carbon revealed. The study deals with characterization of wear debris generated from commercial brake pad. Brake pads are multicomponent composites which contain more than 10 constituents and polymer matrix. Braking process produces wear particles in form of elements, organic and inorganic compounds. Wear debris may contain several hazardous materials, which may potentially interact with DNA, or cause carcinomas. Wear debris was collected after standard brake dynamometer test and microscopic techniques were used for their characterization. Transmission electron spectroscopy was used to determine size of the emitted nonairborne wear particles. Elemental analysis was performed by scanning electron microscopy with energy dispersive spectroscopy as well as size of the wear particles. Detailed chemical and phase composition of the commercial brake pad is not provided by manufacturers. Furthermore the braking process is accompanied with significant stress and heat generation leading to release wear debris which may significantly differ from initial brake pad. Therefore, Raman microspectroscopy was chosen as additional technique for the characterization of wear particles. In general, Raman spectroscopy provides information about molecular vibrations, which are specific to the chemical bonds and symmetry of molecules, thus these information can be powerful tool for the identification of composition of wear debris emitted by braking. Using the methods described the presence of nano-sized particles and various components based on metal compounds and elemental carbon revealed.
dcterms:title
RAMAN MICROSPECTROSCOPY AS A TOOL FOR CHARACTERIZATION OF BRAKE WEAR DEBRIS RAMAN MICROSPECTROSCOPY AS A TOOL FOR CHARACTERIZATION OF BRAKE WEAR DEBRIS
skos:prefLabel
RAMAN MICROSPECTROSCOPY AS A TOOL FOR CHARACTERIZATION OF BRAKE WEAR DEBRIS RAMAN MICROSPECTROSCOPY AS A TOOL FOR CHARACTERIZATION OF BRAKE WEAR DEBRIS
skos:notation
RIV/61989100:27640/12:86084732!RIV14-MSM-27640___
n19:predkladatel
n21:orjk%3A27640
n5:aktivita
n14:S n14:P
n5:aktivity
P(ED0040/01/01), P(EE.2.3.20.0074), S
n5:dodaniDat
n16:2014
n5:domaciTvurceVysledku
n8:2698749 n8:7087845 n8:9404252 n8:3423603
n5:druhVysledku
n10:D
n5:duvernostUdaju
n20:S
n5:entitaPredkladatele
n15:predkladatel
n5:idSjednocenehoVysledku
101401
n5:idVysledku
RIV/61989100:27640/12:86084732
n5:jazykVysledku
n6:eng
n5:klicovaSlova
Brake lining, Raman microspectroscopy, scanning electron microscopy, transmission electron microscopy
n5:klicoveSlovo
n7:Brake%20lining n7:Raman%20microspectroscopy n7:transmission%20electron%20microscopy n7:scanning%20electron%20microscopy
n5:kontrolniKodProRIV
[4BD466E5D698]
n5:mistoKonaniAkce
Brno
n5:mistoVydani
Ostrava
n5:nazevZdroje
NANOCON 2012 : 4th international conference : conference proceedings : October 23rd-25th 2012, hotel Voroněž I, Brno, Czech Republic, EU
n5:obor
n13:JJ
n5:pocetDomacichTvurcuVysledku
4
n5:pocetTvurcuVysledku
4
n5:projekt
n9:EE.2.3.20.0074 n9:ED0040%2F01%2F01
n5:rokUplatneniVysledku
n16:2012
n5:tvurceVysledku
Kukutschová, Jana Peikertová, Pavlína Vaculík, Miroslav Filip, Peter
n5:typAkce
n18:WRD
n5:wos
000333697100154
n5:zahajeniAkce
2012-10-23+02:00
s:numberOfPages
5
n17:hasPublisher
Tanger s.r.o.
n22:isbn
978-80-87294-35-2
n12:organizacniJednotka
27640