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Statements

Subject Item
n2:1323
rdf:type
n3:Projekt
dcterms:description
Cílem projeku je optimalizovat magnetické metody (Magnetické adaptivní testování a Barkhausenův šum) pro účely zkoušek oduhličení a nahradit tak dnešní převážně destruktivní testy oduhličení povrchu ocelí magnetickou nedestruktivní kontrolou. Decarburization (DCB) shortens fatigue lifetime of steel construction elements substantially. Limiting values and destructive tests of DCB make nowadays basis of technical conditions for production of many steel parts. The aim of the present project is to optimize magnetic methods (Magnetic Adaptive Testing - MAT and Barkhausen Noise - BHN) for nondestructive tests of DCB and to discover correlations between the measured magnetic data and the parameters of DCB. First we identify optimum magnetic descriptors sensitive with respect to the DCB on laboratory series of conveniently shaped samples. In the second part of the project, the contemporarily developed testing heads allow to optimize detection of DCB parameters on real industrial parts. We developed the MAT-method lately. Optimization of BHN measurement and integration of MAT and BHN in a single testing head is a program of a present post-doctoral GACR project of dr.Stupakov. Each of the optimized methods and the more their combination, can offer an efficient nondestructive test of the industrially dangerous steel surface DCB.
dcterms:title
Nondestructive measurement of steel surfaces decarburization by magnetic methods Nedestruktivní měření stavu oduhličení povrchu ocelí pomocí magnetických metod
n3:cislo-smlouvy
n4:1323
n3:dalsi-vedlejsi-obor
n6:BM
n3:druh-souteze
n13:VS
n3:faze
n14:52805119
n3:hlavni-obor
n6:JK
n3:vedlejsi-obor
n6:JQ
n3:hlavni-ucastnik
n11:orjk-24210
n3:id-aktivity
n10:GA
n3:id-souteze
n5:SGA02009GA-ST
n3:kategorie
n9:1
n3:klicova-slova
oduhličení, ocel, povrchy, Magnetické adaptivní testování, Barkhausenův šum
n3:konec-reseni
2011-12-31+01:00
n3:pocet-koordinujicich-prijemcu
0
n3:poskytovatel
n8:GA0
n3:start-reseni
2009-01-01+01:00
n3:statni-podpora
3076
n3:typProjektu
n12:P
n3:uznane-naklady
3076
n3:pocet-prijemcu
1
n3:pocet-spoluprijemcu
1
n3:pocet-vysledku
23
n3:pocet-vysledku-zverejnovanych
23