Biodegradation Resistance of Wood-filled Caustic Magnesite Composites

The article deals with composite materials based on caustic magnesite binder and wood fillers used in the fabrication of various types of objects in mechanical engineering, construction engineering, and oil and gas industries. Under operational conditions, caustic magnesite composites can be exposed...

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Main Authors: Vladimir Erofeev, Vasily Smirnov, Rinat Badamshin, Victor Afonin, Elena Uskova, Irina Stepina, Yana Sanyagina
Format: Article
Language:English
Published: North Carolina State University 2025-07-01
Series:BioResources
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Online Access:https://ojs.bioresources.com/index.php/BRJ/article/view/24436
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Summary:The article deals with composite materials based on caustic magnesite binder and wood fillers used in the fabrication of various types of objects in mechanical engineering, construction engineering, and oil and gas industries. Under operational conditions, caustic magnesite composites can be exposed to aggressive actions of microorganisms. This study looked into resistance of wood-filled composites upon exposure to byproducts of filamentous fungi (micromycetes). This research substantiated the choice of model medium for testing – byproducts of metabolism of micromycetes. Designed experiments were carried out. The samples were held in model solutions with different concentrations of aggressive medium agents. Lines of equal values of materials’ resistance were plotted. It was found from experiments that composites without fillers had a lower biocorrosive resistance compared to those filled with pine sawdust.
ISSN:1930-2126