Toughness properties for several composite lumber materials

John Jack Janowiak, Steven W. Bukowski

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

An exploratory study was conducted to establish toughness properties for several structural composite lumber (SCL) materials including laminated veneer lumber (LVL), parallel strand lumber (PSL), and laminated strand lumber (LSL). Toughness as a mechanical property was determined following provisions of the American Society for Testing and Materials (ASTM) standard method ASTM D 143. Test evaluations were performed for both edgewise and flatwise material orientations to characterize toughness performance. Presented are the impact to failure resistance results collected for 10 different SCL materials with comparison to solid wood property values. Test results indicate LVL can have noticeably higher toughness performance. Southern pine LVL materials tested on average had 29.9 percent higher toughness when examined in comparison to published wood property values. Other veneer-based composites tested in the form of Douglas-fir and yellow-poplar LVL were closer to solid wood performance. Commercial strand-based composites in the form of PSL and LSL generally had impact resistance to failure below the corresponding values cited for solid clear wood.

Original languageEnglish (US)
Pages (from-to)51-54
Number of pages4
JournalForest Products Journal
Volume50
Issue number5
StatePublished - May 2000

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Lumber
lumber
laminated veneer lumber
Toughness
Veneers
Composite materials
wood properties
composite materials
Wood
testing
Liriodendron tulipifera
Pseudotsuga menziesii
mechanical properties
material
mechanical property
Pinus
Impact resistance
Testing
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Forestry
  • Plant Science
  • Materials Science (miscellaneous)

Cite this

Janowiak, J. J., & Bukowski, S. W. (2000). Toughness properties for several composite lumber materials. Forest Products Journal, 50(5), 51-54.
Janowiak, John Jack ; Bukowski, Steven W. / Toughness properties for several composite lumber materials. In: Forest Products Journal. 2000 ; Vol. 50, No. 5. pp. 51-54.
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Janowiak, JJ & Bukowski, SW 2000, 'Toughness properties for several composite lumber materials', Forest Products Journal, vol. 50, no. 5, pp. 51-54.

Toughness properties for several composite lumber materials. / Janowiak, John Jack; Bukowski, Steven W.

In: Forest Products Journal, Vol. 50, No. 5, 05.2000, p. 51-54.

Research output: Contribution to journalArticle

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AB - An exploratory study was conducted to establish toughness properties for several structural composite lumber (SCL) materials including laminated veneer lumber (LVL), parallel strand lumber (PSL), and laminated strand lumber (LSL). Toughness as a mechanical property was determined following provisions of the American Society for Testing and Materials (ASTM) standard method ASTM D 143. Test evaluations were performed for both edgewise and flatwise material orientations to characterize toughness performance. Presented are the impact to failure resistance results collected for 10 different SCL materials with comparison to solid wood property values. Test results indicate LVL can have noticeably higher toughness performance. Southern pine LVL materials tested on average had 29.9 percent higher toughness when examined in comparison to published wood property values. Other veneer-based composites tested in the form of Douglas-fir and yellow-poplar LVL were closer to solid wood performance. Commercial strand-based composites in the form of PSL and LSL generally had impact resistance to failure below the corresponding values cited for solid clear wood.

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