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| Title | Publication | Publish Year |
|---|---|---|
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Swelling of Springwood and Summerwood in Softwoods
Specimens of southern yellow pine, Douglas-fir, and redwood were investigated for differential movement of surfaces with changing moisture content. Dry boundaries were marked with datum lines to avoid the effects […]
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Forest Products Journal | 1957 |
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TDAL profiles of southern pine lumber during drying
Temperature drop across the load (TDAL) of lumber in a dry kiln is being used in computer control programs to determine when charges of southern pine have reached the desired […]
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Forest Products Journal | 1990 |
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Technical and Practical Considerations in Veneer Drying
Work of Bethel and Hader and Fleischer, along with other investigators was analyzed and related to practical veneer drying applications. Three theoretical stages in veneer drying were named as follows: […]
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Forest Products Journal | 1956 |
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Techniques for Determining Moisture in Wood-Plastic Combinations
Three techniques for determining the moisture content of radiation produced yellow-poplar/styrene-acrylonitrile wood-plastic combinations (WCP) were evaluated against the true moisture content as determined by the Karl Fischer (K.F.) method. These […]
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Forest Products Journal | 1968 |
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Techniques in Hardwood Plywood Quality Control
Quality control in plywood manufacture cannot be achieved simply with inspection of the final product but must be applied to the entire production operation. Quality control normally includes testing and […]
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Forest Products Journal | 1950 |
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Tensile Strength Behavior as a Function of Cellulose in Wood
Test material was obtained from freshly cut Douglas-fir. Tangential microtome sections of 100 microns thick were cut from three adjacent growth increments. The cellulose fraction in the sections were degraded […]
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Forest Products Journal | 1964 |
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Tensile Strength of Douglas-Fir Laminated-Veneer Lumber
Second-growth, 80-year-age-class coastal Douglas-fir No. 2 sawlogs were rotary peeled and clipped into lengths of 1/4-inch-thick veneer. All of the recovered material was dried, trimmed, and continuously assembled by butt-joining […]
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Forest Products Journal | 1974 |
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Tensile Strength Perpendicular to Grain as a Function of Moisture Content in California Black Oak
California black oak was found to be high in tensile strength and stiffness perpendicular to the grain. The relationship between moisture content and tensile-strength properties perpendicular to the grain is […]
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Forest Products Journal | 1962 |
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Tension Wood in Cottonwood: Its Effect on Density, Toughness, and Compression
Tangentially matched specimens were taken from the upper and lower sides of five leaning eastern cottonwood trees. After cutting, humidifying at 65 percent R.H., and final sizing, the specimens were […]
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Forest Products Journal | 1959 |
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Test for Measuring Formaldehyde Emission from Formaldehyde Resin Bonded Particleboards and Plywood
The amount of free formaldehyde in particleboard and plywood was quantitatively determined by heating, under vacuum, a sample of ground board and absorbing the liberated in formaldehyde in water. The […]
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Forest Products Journal | 1972 |
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Tests of a Portable Wood Chipper
A $2,700 portable wood chipper consisting of a two-wheel trailer, power unit, and chipper unit is easily hauled by pickup truck to chipping locations in the woods. An eight-knife version […]
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Forest Products Journal | 1955 |
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The Accuracy of An Electric Moisture Detector in Green Wood
The conductance type electric moisture detector evaluated in this study was found unsuitable for measuring the moisture content above the fiber saturation point. Attempts at developing calibration curves were unsuccessful.
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Forest Products Journal | 1954 |
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The Compression of Douglas-Fir Veneer During Pressing
Several factors influence the compression of veneer: surface characteristics, specific gravity, moisture content, adhesive spread, pressure, pressing time, and final conditioning treatment. Compression was shown to increase with increasing temperature. […]
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Forest Products Journal | 1951 |
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The Deflection of Composite Furniture Panels Under Constant Bending Stress
Experiments were performed to determine the elastic and inelastic behavior of veneered particleboard and its individual components using a commercial brand particleboard and walnut veneers of various thicknesses. The grain […]
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Forest Products Journal | 1970 |
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The demonstration of increased lumber value using optimized lumber sorting and radio frequency vacuum drying
This paper presents an experimental evaluation of the first commercial scale dry/sort/re-dry (Q-Sift?) strategy for drying of 2 by 4 Pacific Coast hemlock lumber using combined conventional and radio frequency […]
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Forest Products Journal | 2005 |
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The Drying of Predrilled Aspen Lumber
Both 1-inch and 2-inch thick green aspen lumber was predrilled parallel to the wide face prior to kiln-drying. One-quarter inch and 3/8 inch diameter holes were used in the 1-inch […]
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Forest Products Journal | 1972 |
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The Effect of Drying Conditions on Strength of Coast-Type Douglas-Fir
A series of Douglas-fir specimens from the same material were air-dried, kiln-dried, and dried in organic vapors. Study was made of effects of various temperatures on drying rate, hygroscopicity, modulus […]
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Forest Products Journal | 1955 |
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The effect of moisture content and bending rate on the work required to bend solid red oak
Sixty red oak (Quercus rubra) specimens were divided into three bending rate and two initial moisture content (MC) categories. The specimens were pre-steamed and then bent at 185? to 190?F […]
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Forest Products Journal | 2003 |
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The Effect of Organic Liquids on Collapse and Shrinkage of Wood. 1. Effect of Degrees of Replacement
Specimens of two collapse-susceptible species, Quercus kelloggii and Arbutus menziesii were ovendried after their original water had been replaced with varying concentrations of n-propyl alcohol and cellusolve solutions. Collapse and […]
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Forest Products Journal | 1963 |
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The effect of subzero temperatures on FSP of cottonwood
This research investigates the thermal expansion and contraction of wood at varying moisture content values. The motivation for the research is to explain why less warp is noted and why […]
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Forest Products Journal | 2006 |
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The Effect of Swelling Agents and Catalysts on Acetylation of Wood
Acetylation and other esterifying treatments of wood act to replace some of the hydrophilic hydroxyl groups of cellulose and lignin with less hydrophilic groups, thereby providing greatly increased dimensional stability. […]
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Forest Products Journal | 1957 |
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The Effects of Green Veneer Water Content, Dryer Schedules, and Wettability on Gluing Results for Southern Pine Veneer
Southern pine veneer dried by two appreciably different production schedules was evaluated for glue bond quality in relationship to: 1) water content of green veneer, 2) surface wettability by water […]
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Forest Products Journal | 1973 |
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The Effects of Moisture Content and Machining of Wood on RF Gluing Processes
Theoretical and practical aspects of radio frequency (RF) gluing problems stemming from improper moisture content and machining are discussed. It was shown theoretically that RF power absorbed by wood tends […]
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Forest Products Journal | 1954 |
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The Inelastic Behavior of Wood: A New Concept for Improved Panel Forming Processes
The purpose of this study was to investigate the effect of temperature, moisture content, direction of test (radial and tangential), and strain level on the inelastic behavior of wood in […]
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Forest Products Journal | 1961 |
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The influence of furnish moisture content and press closure rate on the formation of the vertical density profile in oriented strandboard
The vertical density profile of wood composite panels is defined as the change in density through the panel thickness. The density profile results from the influence of processing parameters used […]
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Forest Products Journal | 2001 |