Utilization of X-ray computed micro-tomography to evaluate iron sulphide distribution in roofing slates

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68145535%3A_____%2F18%3A00486977" target="_blank" >RIV/68145535:_____/18:00486977 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27350/18:10239151

Výsledek na webu

<a href="http://qjegh.lyellcollection.org/" target="_blank" >http://qjegh.lyellcollection.org/</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1144/qjegh2016-108" target="_blank" >10.1144/qjegh2016-108</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Utilization of X-ray computed micro-tomography to evaluate iron sulphide distribution in roofing slates

Popis výsledku v původním jazyce

Slate is a traditional stone product that has long been used for roofing widely around the world. The presence of ironnsulphides is one of the most significant factors affecting roofing slate resistance to weathering and, therefore, the quality ofnslates and their use in construction. Iron sulphide oxidation is the main process of roofing slate degradation. Qualitative andnquantitative analyses to determine iron sulphides in roofing slates are usually conducted using transmitted and reflected lightnmicroscopy, and X-ray diffraction techniques. However, this paper presents X-ray computed micro-tomography as a newnlaboratory method in this field, which also allows for 3D visualization and analysis of iron sulphide distribution in roofingnslates. It also discusses some technical limits of this technique and tomographic scan interpretation pitfalls. The results obtainednby tomographic observations were subsequently verified by optical microscopy, X-ray powder diffraction and scanningnelectron microscopy, as well as energy-dispersive X-ray spectroscopy analyses. Spanish slate from the Ordovician LuarcanFormation and Culm slate from the Moravice Formation in the Czech Republic are both characterized by low to extremely lowniron sulphide content, and for this reason were selected for this study.

Název v anglickém jazyce

Utilization of X-ray computed micro-tomography to evaluate iron sulphide distribution in roofing slates

Popis výsledku anglicky

Slate is a traditional stone product that has long been used for roofing widely around the world. The presence of ironnsulphides is one of the most significant factors affecting roofing slate resistance to weathering and, therefore, the quality ofnslates and their use in construction. Iron sulphide oxidation is the main process of roofing slate degradation. Qualitative andnquantitative analyses to determine iron sulphides in roofing slates are usually conducted using transmitted and reflected lightnmicroscopy, and X-ray diffraction techniques. However, this paper presents X-ray computed micro-tomography as a newnlaboratory method in this field, which also allows for 3D visualization and analysis of iron sulphide distribution in roofingnslates. It also discusses some technical limits of this technique and tomographic scan interpretation pitfalls. The results obtainednby tomographic observations were subsequently verified by optical microscopy, X-ray powder diffraction and scanningnelectron microscopy, as well as energy-dispersive X-ray spectroscopy analyses. Spanish slate from the Ordovician LuarcanFormation and Culm slate from the Moravice Formation in the Czech Republic are both characterized by low to extremely lowniron sulphide content, and for this reason were selected for this study.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/LO1406" target="_blank" >LO1406: Institut čistých technologií těžby a užití energetických surovin - Projekt udržitelnosti</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Quarterly Journal of Engineering Geology and Hydrogeology

ISSN

1470-9236

e-ISSN

—

Svazek periodika

51

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

169-178

Kód UT WoS článku

000435589000003

EID výsledku v databázi Scopus

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