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Influence of temperature and vacuum level on the drying rate, moisture content distribution, wood color and drying stress of rubberwood in vacuum drying.

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Title: Influence of temperature and vacuum level on the drying rate, moisture content distribution, wood color and drying stress of rubberwood in vacuum drying.
Authors: Yang, Lin1,2 (AUTHOR) yanglin@njfu.edu.cn, Liu, Xuanjiang1,2 (AUTHOR), Li, Tongtong3 (AUTHOR), Li, Jianing3 (AUTHOR)
Source: Wood Material Science & Engineering. Jun2026, Vol. 21 Issue 3, p1650-1656. 7p.
Subjects: Temperature effect, Lumber drying, Drying apparatus, Vaporization, Atmospheric pressure, Hevea, Moisture, Color
Abstract: This article focuses on the vacuum drying process of rubberwood (Hevea brasiliensis) with pith, examining how different vacuum pressures and temperatures affect drying rate, moisture distribution, color change, residual stress, and shrinkage. Experiments conducted at vacuum levels of 0.02 and 0.04 MPa and temperatures of 40°C, 60°C, and 80°C showed that temperature has a more significant impact on drying rate and residual stress than vacuum pressure, while vacuum level more strongly influences color preservation and moisture gradients in thickness. The study identified 0.04 MPa and 60°C as the optimal drying conditions, balancing drying efficiency, uniform moisture removal, minimal color change, and reduced internal stress. These findings contribute to optimizing vacuum drying parameters for rubberwood to improve its quality and market value. [Extracted from the article]
Copyright of Wood Material Science & Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194223482
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Influence of temperature and vacuum level on the drying rate, moisture content distribution, wood color and drying stress of rubberwood in vacuum drying.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Lin%22">Yang, Lin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> yanglin@njfu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Xuanjiang%22">Liu, Xuanjiang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Tongtong%22">Li, Tongtong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jianing%22">Li, Jianing</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Wood+Material+Science+%26+Engineering%22">Wood Material Science & Engineering</searchLink>. Jun2026, Vol. 21 Issue 3, p1650-1656. 7p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Temperature+effect%22">Temperature effect</searchLink><br /><searchLink fieldCode="DE" term="%22Lumber+drying%22">Lumber drying</searchLink><br /><searchLink fieldCode="DE" term="%22Drying+apparatus%22">Drying apparatus</searchLink><br /><searchLink fieldCode="DE" term="%22Vaporization%22">Vaporization</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+pressure%22">Atmospheric pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Hevea%22">Hevea</searchLink><br /><searchLink fieldCode="DE" term="%22Moisture%22">Moisture</searchLink><br /><searchLink fieldCode="DE" term="%22Color%22">Color</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This article focuses on the vacuum drying process of rubberwood (Hevea brasiliensis) with pith, examining how different vacuum pressures and temperatures affect drying rate, moisture distribution, color change, residual stress, and shrinkage. Experiments conducted at vacuum levels of 0.02 and 0.04 MPa and temperatures of 40°C, 60°C, and 80°C showed that temperature has a more significant impact on drying rate and residual stress than vacuum pressure, while vacuum level more strongly influences color preservation and moisture gradients in thickness. The study identified 0.04 MPa and 60°C as the optimal drying conditions, balancing drying efficiency, uniform moisture removal, minimal color change, and reduced internal stress. These findings contribute to optimizing vacuum drying parameters for rubberwood to improve its quality and market value. [Extracted from the article]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Wood Material Science & Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/17480272.2025.2509822
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 1650
    Subjects:
      – SubjectFull: Temperature effect
        Type: general
      – SubjectFull: Lumber drying
        Type: general
      – SubjectFull: Drying apparatus
        Type: general
      – SubjectFull: Vaporization
        Type: general
      – SubjectFull: Atmospheric pressure
        Type: general
      – SubjectFull: Hevea
        Type: general
      – SubjectFull: Moisture
        Type: general
      – SubjectFull: Color
        Type: general
    Titles:
      – TitleFull: Influence of temperature and vacuum level on the drying rate, moisture content distribution, wood color and drying stress of rubberwood in vacuum drying.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Yang, Lin
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          Name:
            NameFull: Liu, Xuanjiang
      – PersonEntity:
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            NameFull: Li, Tongtong
      – PersonEntity:
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            NameFull: Li, Jianing
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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            – TitleFull: Wood Material Science & Engineering
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