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| Title | Publication | Publish Year |
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Determining Pore Size Distribution in Softwoods with a Mercury Porosimeter
In wood processing methods involving movement of substances including water into and through wood, pore size distribution is more important than knowledge of total pore volume. The principal purpose of […]
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Forest Products Journal | 1965 |
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Determining Seasoning Degrade in Kiln-Drying Western Softwoods
A procedure is given for measuring kiln-drying degrade in lumber and relating degrade to loss in value as a basis for more efficient and profitable kiln operation. Improved segregation, stickering […]
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Forest Products Journal | 1962 |
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Determining the Distribution of Interstructural Openings in Wood
When dry, wood varies in void volume from about 45 percent at a specific gravity of 0.80 to 85 percent at a specific gravity of 0.22. Wood is not a […]
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Forest Products Journal | 1961 |
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Determining Weight-Volume Relationships for Saw Logs
A geometric formula for total log weight and its relationship to common log rules is developed into a general form that provides accurate and consistent estimates of the scale of […]
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Forest Products Journal | 1966 |
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Development and Test of 26F-E Hem-Fir Glulam Beams
To make Hem-fir glulam beams to a new Canadian specification, E-rated and visually graded lumber was arranged by stiffness, after proof loading the outer tension laminations. Bending strength tests are […]
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Forest Products Journal | 1978 |
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Development of a new incising technology for plywood/LVL production. Part 1. Incising at the lathe and its effect on veneer quality and recovery
The development of a new method to incise veneer at the lathe is discussed in this paper. Laboratory and mill trials were conducted to evaluate its effect on veneer quality […]
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Forest Products Journal | 2003 |
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Development of a new incising technology for plywood/LVL production. Part 2. Effect of incising on LVL strength properties
The development of a new method to incise veneer at the lathe was described previously in Part 1. Using this technology, it was shown that incising veneer at the lathe […]
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Forest Products Journal | 2003 |
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Development of fungal stain in logs of three Canadian softwoods
Freshly felled wood is susceptible to fungal stain, and the severity of the infection may vary with various environmental and storage conditions. Information on how long it takes for stain […]
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Forest Products Journal | 1999 |
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Development of Respirometry as a Method for Evaluating Wood Preservatives
Use of the respirometer was studied in an effort to adapt this instrument to the evaluation of threshold or toxic limit values of wood preservatives. Most of the tests used […]
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Forest Products Journal | 1972 |
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Development of softwood plantation timber in the United States
The amount of land devoted to plantation timberlands is growing rapidly. This article traces the development of plantation timber in the United States and gives examples of research related to […]
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Forest Products Journal | 2000 |
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Development of tension and compression creep models for wood using the time-temperature superposition principle
This paper describes the development of long-term creep models for wood intension and compression using the time-temperature superposition principle (TTSP). Short-term accelerated creep tests were conducted in both tension and […]
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Forest Products Journal | 1997 |
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Development of Working Stresses for Stress-Grade Lumber
This paper is a review of former lumber stress-grading, which contributed to the development of 1949 regulations concerning stress-graded lumber and structural design. Before World War II there were four […]
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Forest Products Journal | 1949 |
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Developments in Paraquat Treatment of Trees to Induce Lightwood Formation
Paraquat treatment has induced lightwood formation in all species of pines tested to date, but failed to cause a significant response in firs, spruces, hemlock and Douglas-fir. In a 40-year-old […]
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Forest Products Journal | 1977 |
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Diagnostic analysis of board foot per ton of chips ratio for a small sawmill
The board foot to ton of chips (BFTC) ratio is a common lumber quality index used by small sawmills to gauge sawing efficiency. Producing too many chips, relative to board […]
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Forest Products Journal | 2004 |
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Dielectric Behavior of Douglas-Fir At Various Combinations of Temperature, Frequency, and Moisture Content
Dielectric constant and loss tangent are given here for the longitudinal direction in Douglas-fir, at temperatures from -20? to 90?C, at moisture contents from ovendry to saturated, and at frequencies […]
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Forest Products Journal | 1977 |
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Dielectric constant of Turkish timbers in the longitudinal direction at a 9.8-GHz frequency
Applications of microwave techniques in the wood industry have been developed both for treatment and for diagnostic purposes. All these applications require reliable results of the dielectric constant of the […]
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Forest Products Journal | 2004 |
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Diffusion Coefficients of Softwoods By Steady-State and Theoretical Methods
The effect of moisture content and temperature on the diffusion coefficient of wood was determined by a modified steady-state method and compared with Stamm’s theoretical analysis. There was good agreement […]
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Forest Products Journal | 1965 |
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Diffusion of boron from borate rods in radiata pine
The diffusivity of borate rods was investigated in three anisotropic directions using radiata pine (Pinus radiata D. Don) sapwood samples conditioned to 40 and 60 percent moisture content (MC) for […]
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Forest Products Journal | 2004 |
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Diffusion of Ethylene Into and Through Wood
The passage of water and other liquids through wood has been shown to be the result of at least three different processes: 1) water may move through wood as a […]
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Forest Products Journal | 1965 |
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Diffusion Through Air Filled Capillaries of Softwoods–Part II: Water Vapor
The transverse diffusion coefficient of moisture through wood at low moisture content values is predictable from the diffusion constant of carbon dioxide. At low moisture content values, therefore, moisture movement […]
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Forest Products Journal | 1960 |
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Diisocyanate/furfural adhesive for bonding plywood
Plywoods made from southern pine, a major structural species, and from yellow-poplar, a major decorative species, were bonded with polymeric methyl diphenyl diisocyanate adhesives. Furfural was used as a binder […]
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Forest Products Journal | 1989 |
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Dimension Lumber from Boards
Because of the increased use of panel material for sheathing and subflooring, lower grade boards formerly used for these purposes have declined in price below that of dimension lumber. Previous […]
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Forest Products Journal | 1975 |
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Dimensional Stability of Flakeboards as Affected By Board Specific Gravity and Flake Alignment
The objective was to determine the relationship between the variables specific gravity (SG) and flake alignment and the dimensional stability properties of flakeboard. Boards manufactured without a density gradient were […]
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Forest Products Journal | 1982 |
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Dimensional stabilization of pine four-by-fours via restraint drying
Four-by-four inch southern yellow pine lumber was dried, pressure treated, and kiln-dried after treatment to assess the effects of restraint drying on warp. Results showed a statistically significant reduction in […]
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Forest Products Journal | 2006 |
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Direct Estimation of the Ovendry Weight of Plantation-Grown Loblolly Pine Trees in the Interior West Gulf Coastal Plain
Disks from 631 loblolly (Pinus taeda L.) pine sample trees felled and sectioned throughout the Interior West Gulf Coastal Plain were analyzed for specific gravity. A total of 5254 disks […]
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Forest Products Journal | 1973 |