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Properties of wood ceramics prepared from thermo-modified poplar
ID Chen, Hongyan (Avtor), ID Bahmani, Mohsen (Avtor), ID Humar, Miha (Avtor), ID Cheng, Dali (Avtor)

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Izvleček
Wood ceramics (WCS) were prepared from thermo-modified poplar wood residues and untreated poplar wood. At 1000 °C sintering temperature, the ratios of wood powder and phenolic resin at 10:3, 10:6 and 10:9 were tested. The effects of materials on the properties of WCS, carbon yield and volume shrinkage were studied. With the increase in resin content, the carbon yield increased; however, the volume shrinkage decreased. Carbon yield of WCS made from 220 °C thermo-modified poplar wood was 40.45%, as the ratio of wood powder/phenolic resins was 10:6. The microstructure, chemical structure and crystallinity of WCS were analysed by scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) and X-ray diffraction (XRD), respectively. The results showed that WCS had a porous structure. WCS prepared from thermo-modified materials, amorphous carbon and hard glass carbon melted more evenly; meanwhile, there were more pores on glass carbon. The FTIR spectra showed that the stretching vibration of C-O-C weakened at ceramics made of thermo-modified poplar. The XRD pattern indicated that the raw material has no apparent influence on the graphitization degree of WCS.

Jezik:Angleški jezik
Ključne besede:WCS, thermo-modified wood, SEM, XRD, FTIR
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2020
Št. strani:14 str.
Številčenje:Vol. 11, iss. 11, art. 1204
PID:20.500.12556/RUL-134697 Povezava se odpre v novem oknu
UDK:630*8
ISSN pri članku:1999-4907
DOI:10.3390/f11111204 Povezava se odpre v novem oknu
COBISS.SI-ID:37612291 Povezava se odpre v novem oknu
Datum objave v RUL:26.01.2022
Število ogledov:398
Število prenosov:95
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Gradivo je del revije

Naslov:Forests
Skrajšan naslov:Forests
Založnik:MDPI
ISSN:1999-4907
COBISS.SI-ID:3872166 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:16.11.2020

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:na lesu osnovana keramika, termično modificiran les, SEM, XRD, FTIR

Projekti

Financer:Drugi - Drug financer ali več financerjev
Program financ.:National Natural Science Foundation of China
Številka projekta:31700488

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Jiangsu Higher Education Institutions, Priority Academic Program Development

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