Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood
Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, he...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Gao, Zhiqiang [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Wood science and technology - Springer Berlin Heidelberg, 1967, 50(2016), 4 vom: 05. Apr., Seite 833-844 |
|---|---|
| Übergeordnetes Werk: |
volume:50 ; year:2016 ; number:4 ; day:05 ; month:04 ; pages:833-844 |
| Links: |
|---|
| DOI / URN: |
10.1007/s00226-016-0824-2 |
|---|
| Katalog-ID: |
OLC2073076785 |
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| 520 | |a Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. | ||
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10.1007/s00226-016-0824-2 doi (DE-627)OLC2073076785 (DE-He213)s00226-016-0824-2-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Gao, Zhiqiang verfasserin aut Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. Lignin Moisture Content Compression Ratio Transition Layer Compression Wood Huang, Rongfeng aut Lu, Jianxiong aut Chen, Zhangjing aut Guo, Fei aut Zhan, Tianyi aut Enthalten in Wood science and technology Springer Berlin Heidelberg, 1967 50(2016), 4 vom: 05. Apr., Seite 833-844 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:50 year:2016 number:4 day:05 month:04 pages:833-844 https://doi.org/10.1007/s00226-016-0824-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_70 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4277 AR 50 2016 4 05 04 833-844 |
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10.1007/s00226-016-0824-2 doi (DE-627)OLC2073076785 (DE-He213)s00226-016-0824-2-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Gao, Zhiqiang verfasserin aut Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. Lignin Moisture Content Compression Ratio Transition Layer Compression Wood Huang, Rongfeng aut Lu, Jianxiong aut Chen, Zhangjing aut Guo, Fei aut Zhan, Tianyi aut Enthalten in Wood science and technology Springer Berlin Heidelberg, 1967 50(2016), 4 vom: 05. Apr., Seite 833-844 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:50 year:2016 number:4 day:05 month:04 pages:833-844 https://doi.org/10.1007/s00226-016-0824-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_70 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4277 AR 50 2016 4 05 04 833-844 |
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10.1007/s00226-016-0824-2 doi (DE-627)OLC2073076785 (DE-He213)s00226-016-0824-2-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Gao, Zhiqiang verfasserin aut Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. Lignin Moisture Content Compression Ratio Transition Layer Compression Wood Huang, Rongfeng aut Lu, Jianxiong aut Chen, Zhangjing aut Guo, Fei aut Zhan, Tianyi aut Enthalten in Wood science and technology Springer Berlin Heidelberg, 1967 50(2016), 4 vom: 05. Apr., Seite 833-844 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:50 year:2016 number:4 day:05 month:04 pages:833-844 https://doi.org/10.1007/s00226-016-0824-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_70 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4277 AR 50 2016 4 05 04 833-844 |
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10.1007/s00226-016-0824-2 doi (DE-627)OLC2073076785 (DE-He213)s00226-016-0824-2-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Gao, Zhiqiang verfasserin aut Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. Lignin Moisture Content Compression Ratio Transition Layer Compression Wood Huang, Rongfeng aut Lu, Jianxiong aut Chen, Zhangjing aut Guo, Fei aut Zhan, Tianyi aut Enthalten in Wood science and technology Springer Berlin Heidelberg, 1967 50(2016), 4 vom: 05. Apr., Seite 833-844 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:50 year:2016 number:4 day:05 month:04 pages:833-844 https://doi.org/10.1007/s00226-016-0824-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_70 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4277 AR 50 2016 4 05 04 833-844 |
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10.1007/s00226-016-0824-2 doi (DE-627)OLC2073076785 (DE-He213)s00226-016-0824-2-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Gao, Zhiqiang verfasserin aut Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2016 Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. Lignin Moisture Content Compression Ratio Transition Layer Compression Wood Huang, Rongfeng aut Lu, Jianxiong aut Chen, Zhangjing aut Guo, Fei aut Zhan, Tianyi aut Enthalten in Wood science and technology Springer Berlin Heidelberg, 1967 50(2016), 4 vom: 05. Apr., Seite 833-844 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:50 year:2016 number:4 day:05 month:04 pages:833-844 https://doi.org/10.1007/s00226-016-0824-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_70 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4277 AR 50 2016 4 05 04 833-844 |
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Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood |
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Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood |
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Gao, Zhiqiang |
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Wood science and technology |
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Gao, Zhiqiang Huang, Rongfeng Lu, Jianxiong Chen, Zhangjing Guo, Fei Zhan, Tianyi |
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sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood |
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Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood |
| abstract |
Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. © Springer-Verlag Berlin Heidelberg 2016 |
| abstractGer |
Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. © Springer-Verlag Berlin Heidelberg 2016 |
| abstract_unstemmed |
Abstract In order to utilize the plantation poplar wood, white poplar boards were soaked, heated and compressed to improve the mechanical properties in this study. The densities and densified zones were managed inside the board by choosing various parameters of soaking time between 0.5 and 5.5 h, heating time between 20 and 200 s and pressing time between 6 and 60 s. The density gradient was generated with the higher density near surface and the lower density toward the center of board. With this method, the density near the surface can be modified to 0.89 g/$ cm^{3} $ with an increase of about 100 % in comparison with poplar wood without any treatment. The boundary between the high-density layer and the low-density layer was characterized by X-ray scanned images. The modulus of elasticity (MOE) of compressed white poplar wood increased linearly with the compression ratio, and the modulus of rupture (MOR) increased exponentially. At the compression ratio of 47 %, MOE and MOR of compressed poplar wood were 19.77 GPa and 153.94 MPa, respectively. They were 73.2 and 88.9 %, respectively, greater than that of untreated specimens. © Springer-Verlag Berlin Heidelberg 2016 |
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Sandwich compression of wood: control of creating density gradient on lumber thickness and properties of compressed wood |
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