Moisture movement and thickness swelling in oriented strandboard. Part 2

Analysis using a nuclear magnetic resonance imaging body scanner

Jeroen H. Van Houts, Siqun Wang, Huiping Shi, George Kabalka

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The previous paper in this series demonstrates the use of a nuclear magnetic resonance (NMR) micro-imaging system to observe the movement of liquid water through small specimens (11 × 16 mm2 cross-section) of oriented strandboard (OSB) and solid wood. In the present paper, a NMR body scanner is utilized to obtain images of moisture penetration into ASTM D 1037-99 standard sized (152 × 152 mm2) thickness swelling specimens at different intervals during water soaking. As with the micro-imaging study, silicone was applied to the surfaces and edges of some of the specimens in order to observe the directional characteristics of moisture movement through OSB. Specimens with commercially applied edge sealant were also included in the study in order to observe the effectiveness of the sealant of reducing moisture penetration and thickness swelling. The presence of voids and areas of low density were shown to contribute significantly to moisture penetration into the specimens.

Original languageEnglish (US)
Pages (from-to)437-443
Number of pages7
JournalWood Science and Technology
Volume40
Issue number6
DOIs
StatePublished - Aug 1 2006
Externally publishedYes

Fingerprint

oriented strandboards
scanners
scanner
magnetic resonance imaging
swelling
Swelling
nuclear magnetic resonance
nuclear magnetic resonance spectroscopy
Moisture
Nuclear magnetic resonance
moisture
image analysis
Imaging techniques
penetration
silicone
Sealants
soaking
water
liquids
Water

All Science Journal Classification (ASJC) codes

  • Forestry
  • Materials Science(all)
  • Plant Science
  • Industrial and Manufacturing Engineering

Cite this

Moisture movement and thickness swelling in oriented strandboard. Part 2 : Analysis using a nuclear magnetic resonance imaging body scanner. / Van Houts, Jeroen H.; Wang, Siqun; Shi, Huiping; Kabalka, George.

In: Wood Science and Technology, Vol. 40, No. 6, 01.08.2006, p. 437-443.

Research output: Contribution to journalArticle

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