The effect of sea water on laminated wooden material

  • M Ozalp
  • O Percin
  • O Percin
  • S Korkut
Keywords: Bending strength, compression strength, bonding strength, black pine, lamination

Abstract

In the present study, black pine samples laminated with epoxy and polyurethane glues were treated with various wood preservative chemicals and made subject to seawater for one year. The samples
were examined from the point of view of physical features such as changes in odor and color as well as their mechanical values in 3-month periods. For this purpose, the samples were made subject to
bending tests perpendicular to the fibers, compression tests parallel to the fibers and adhesion tests. As a result of this study, it was observed that, non-impregnated samples were excessively decayed and
they were so decomposed and destroyed that they could not be used anymore within the first 6 months. It was determined that, sea insects nested on the said samples and began to live there, sea worms
destroyed the wooden surfaces by drilling them, the said surfaces were covered with seaweed, the surfaces became extremely soft and there were white decays on some regions. In case of impregnated
samples, very small changes occurred in odor and color and moreover, any decay was not seen. Also, significant changes were observed as a result of mechanical tests.
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eISSN: 1684-5315