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Title: Effects of cedar oil and silica gel treatment on dimensional stability and mechanical properties of Southern Yellow Pine boards

Source: FPL-RN-0339. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.

Author(s)Wang, Xiping; Senalik, Christopher Adam; Ross, Robert; Bennett, Neal; Conner, Debbie

Publication Year: 2016  View PDF »

Category: Research Notes
Associated Research Project(s):   FPL-4714-2B

Abstract: A laboratory study was conducted to investigate the effects of cedar oil and silica gel treatment on dimensional stability and mechanical performance of southern yellow pine (SYP) boards. Two hundred pieces of SYP and 100 pieces of red oak boards with a nominal dimension of 1 by 6 by 48 in. (25 by 152 by 1,219 mm) were selected for this study. The red oak boards were included as a standard ammunition pallet stock for comparison. The experimental procedure involved stress wave E-rating, grouping, defect mapping, preservative treatment, high-temperature kiln exposure (simulating hot and dry service condition), and flatwise static bending test. Cedar oil and silica gel treatment had a positive effect on dimensional stability of the No. 2 SYP boards, as indicated by reduced visible end-splits and board warp. Our results also indicated that cedar oil and silica gel treatment had a detrimental effect on stiffness and strength of the No. 2 SYP boards. Both modulus of elasticity and modulus of rupture decreased significantly in treated SYP compared with those of untreated SYP.

Keywords: End split, pallet deck boards, stiffness, strength, warp, work to maximum load

Publication Review Process: Informally Refereed (Peer-Reviewed)

File size: 1,024 kb(s)

Date posted: 09/26/2016

This publication is also viewable on Treesearch:  view
RITS Product ID: 81987
Current FPL Scientists associated with this product (listed alphabetically)
Ross, Robert J.
Supervisory Research Gen. Engineer
Senalik, Christopher
Research General Engineer
Wang, Xiping
Research Forest Products Technologist

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