NDLI: Microscopic observation of transverse swelling of latewood tracheid: effect of macroscopic/mesoscopic structure

Content Provider	Springer Nature Link
Author	Murata, Koji Masuda, Miru
Copyright Year	2006
Abstract	In order to study the transverse swelling/shrinkage of wood, the microscopic swelling behavior of latewood tracheid was observed using confocal laser scanning microscopy and the digital image correlation method. A microcrater structure was created on the surface of the specimen by using the ion sputter etching technique to obtain a pattern-rich digital image for image analysis. Douglas fir specimens were conditioned by two methods of absorption: rapid absorption of moisture from hot steam, and slow absorption of moisture from the water vapor of saturated solutions. Latewood tracheid near the surface of the specimen deformed only in the radial direction when the relative humidity of the surrounding air changed rapidly (rapid absorption of moisture from hot steam or absorption/desorption of moisture during the observation). In addition, the diameter of the lumen decreased upon rapid absorption of moisture, whereas it expanded upon slow absorption of moisture. These results indicate that the microscopic swelling behavior of latewood cells is strongly influenced by the macroscopic/mesoscopic structure, for instance, the cell arrangement or the alternation of latewood and earlywood.
Starting Page	283
Ending Page	289
Page Count	7
File Format	PDF
ISSN	14350211
Journal	Journal of Wood Science
Volume Number	52
Issue Number	4
e-ISSN	16114663
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-02-05
Publisher Place	Tokyo
Access Restriction	Subscribed
Subject Keyword	Microscopic swelling behavior Latewood trachied Confocal laser scanning microscopy Digital image correlation Materials Science Characterization and Evaluation Materials Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Biomaterials Forestry

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