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ODS tērauda izejmateriālu lokālās struktūras analīze, izmantojot rentgenabsorbcijas spektroskopiju

2015

Oksīdu stiprināts tērauds (ODS) ir perspektīvs kodolsintēzes reaktoru materiāls, kuram ir lieliska siltumvadītspēja un zema termiskās izplešanās, apvienojumā ar augstu temperatūras izturību, korozijas un radiācijas pretestību. Tamdēļ šo materiālu var izmantot arī daudzos citos pielietojumos, piemēram, saules elektrostacijās, reaktīvos dzinējos, ķīmiskos reaktoros, kā arī ūdeņraža ražošanā. Šajā darbā ar rentgenabsorbcijas spektroskopijas metodi tika analizētas ferīta un austentisko ODS tēraudu lokālās atomārās struktūras izmaiņas ap dzelzs (Fe) un hroma (Cr) atomiem dažādos tēraudu izgatavošanas posmos, analizējot Fe un Cr absorbcijas K-malas spektrus.

local atomic structurerentgenabsorbcijas spektroskopijalokālā atomārā struktūraODS tēraudsFizikax-ray absorption spectroscopy

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