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Effects of different energy intensities of microwave treatment on heartwood and sapwood microstructures in Norway spruce [Elektronski vir]Ganguly, Sauradipta ...Microwave modification can increase the permeability of wood by delaminating and rupturing its anatomical microstructures at their weak points. A high degree of intensity of microwave modification ... can cause significant structural damage to the microstructures of wood, resulting in poorer strength properties. The objective of this study was to evaluate the changes in the anatomical structure of Norway spruce (Picea abies (L.) Karst.) heartwood and sapwood after microwave modification in order to develop the most effective treatment in terms of applied energy without causing significant structural damage. Analysis with light and scanning electron microscopy were performed to evaluate the effect of microwave treatment for two different energy intensities, moderate and high intensity. The results indicated structural changes in the tracheid cells. Microscopy showed varying degrees of modification within the wood microstructure, with the heartwood samples showing a greater anatomical distortion compared to their sapwood counterparts. Furthermore, the samples were subjected to pycnometric density measurements, which indicated a reduction in skeletal and absolute density after microwave modification, for both high and moderate intensity treatment on sapwood and heartwood samples. With increasing microwave energy, a gradual increase in specific pore volume and porosity percentage of the samples were also detected.Vir: Forests [Elektronski vir]. - ISSN 1999-4907 (12, iss. 5, 2021, [17] str.)Vrsta gradiva - e-članekLeto - 2021Jezik - angleškiCOBISS.SI-ID - 62577411
Avtor
Ganguly, Sauradipta |
Balzano, Angela |
Petrič, Marko, 1962- |
Kržišnik, Davor |
Tripathi, Sadhna |
Žigon, Jure |
Merela, Maks
Teme
obdelava z mikrovalovi |
svetlobna mikroskopija |
elektronska vrstična mikroskopija |
anatomija lesa |
lastnosti lesa |
gostota |
permeabilnost |
Picea abies |
microwave treatment |
light microscopy |
scanning electron microscopy |
wood anatomy |
wood properties |
density |
permeability
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Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Ganguly, Sauradipta | |
Balzano, Angela | 39653 |
Petrič, Marko, 1962- | 00395 |
Kržišnik, Davor | 37425 |
Tripathi, Sadhna | |
Žigon, Jure | 37804 |
Merela, Maks | 24676 |
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