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| Title | Publication | Publish Year |
|---|---|---|
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Estimating the warping of veneered furniture panels
The warping of a veneered cabinet door was analyzed by applying a warping model to the exact construction of the warped door. The effects of such variables as grain deviation […]
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Forest Products Journal | 1990 |
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Evaluation of a New Portable Radio Frequency Moisture Meter on Lumber with Drying Gradients
A portable radiofrequency moisture meter has been developed that responds to water in wood over a wide range of MCs. The instrument operates at a frequency of 7 Mhz supplying […]
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Forest Products Journal | 1977 |
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Evaluation of Black Locust (R. Pseudoacacia) as Raw Material for Wet-Process Hardboard
Wet-process hardboards were made from fiber from small, whole black locust (R. pseudoacacia) stems (including bark) and from pure locust heartwood. Heartwood extractives were apparently stem-extracted and lost to cyclone […]
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Forest Products Journal | 1985 |
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Evaluation of creep behavior of structural lumber in a natural environment
Creep behavior of structural lumber is being observed over time in a natural environment at the Forest Research Laboratory of Oregon State University. In a bending test, 20 Douglas-fir beams […]
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Forest Products Journal | 1997 |
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Evaluation of electric moisture meters on kiln-dried lumber
The secondary wood industry is becoming more concerned about the moisture content (MC) of the lumber they are using. Electric portable moisture meters are often used to check MCs. This […]
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Forest Products Journal | 1997 |
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Evaluation of Glues and Glued Products
The author discusses the probable causes of deterioration of glue joints. Types of external mechanical stresses are discussed and types of internal mechanical stresses are also described. These latter stresses […]
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Forest Products Journal | 1954 |
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Evaluation of Lumber Properties in the United States and Their Application to Structural Research
A research program at the U.S. Forest Products Laboratory is assessing the performance of light-frame structures. Evaluation of properties of structural lumber has been initiated using Douglas Fir and Southern […]
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Forest Products Journal | 1980 |
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Evaluation of Microwave and Nuclear Moisture Gages for Establishing Water Content Segregations in Southern Pine Green Veneer and Lumber
Readings obtained with a nuclear density backscatter gauge and a microwave moisture meter equipped with transmission and surface sensing heads are linearly correlated with southern pine green veneer and lumber […]
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Forest Products Journal | 1972 |
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Evaluation of Microwave Wood Moisture Meter
Samples of Englemann spruce, Douglas-fir, lodgepole pine, ponderosa pine western larch, and western white pine ranging from 31 to 191 percent in initial moisture content were dried in a forced […]
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Forest Products Journal | 1967 |
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Evolution of a Quality Control System for Particle Board
The quality control program at U S Plywood’s Novoply operation is described. The objective is only to reduce the variation in the finished product to the greatest practical economic extent. […]
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Forest Products Journal | 1958 |
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Experimental Preservative Treatment of Three Tropical Hardwoods By Double-Diffusion Processes
The double-diffusion preservative treatment was applied to three tropical hardwoods, cativo (Prioria copaifera Gris.) gallinazo (Schizolobium parahybum (Veil.) Blake), and lechose (Brosimum utile (HBK) Oken), especially common in Costa Rican […]
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Forest Products Journal | 1976 |
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Experimental procedures for determining the equilibrium moisture content of twenty timber species
Predictions of the expected equilibrium moisture content (EMC) for timber are frequently made by reference to published charts for relative humidity versus temperature, which often give values founded on amalgamated […]
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Forest Products Journal | 1999 |
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Experiments in Crosscutting Wood with Shear Blades
Crosscutting of 1-inch squares of white spruce was studied to isolate and examine effect of annual ring orientation, moisture content, and variation of wood structure on cutting. A hydraulically-powered machine […]
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Forest Products Journal | 1968 |
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Exploring the effects of further drying on the tensile capacity of kiln-dried lumber
Some current models for the relationship between moisture content (MC) and strength of lumber predict a decrease in ultimate tensile stress with a decrease in MC below approximately 15 percent. […]
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Forest Products Journal | 1993 |
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Extruded Chipcore Board
Discusses manufacture of chipcore by a continuous extrusion process, that may be horizontal or vertical, depending on plant facilities. Lists advantages of this process, product specification, equipment requirements, and manufacturing […]
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Forest Products Journal | 1956 |
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Factors Affecting the Bulking and Dimensional Stabilization of Wood with Polyethylene Glycols
The experimental data given here show that a high degree of bulking can be obtained with polyethylene glycol with a molecular weight as high as 50,000. Necessary conditions are: 1) […]
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Forest Products Journal | 1964 |
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Factors Affecting the Expansion of Hard Maple Flooring
Three different investigations were conducted. The first was specifically concerned with the relative expansion of hard maple (Acer saccharum Marsh.) flooring panels having strips of different widths subjected to humidity […]
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Forest Products Journal | 1953 |
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Factors affecting volatile organic compound emissions during hot-pressing of southern pine particleboard
Three types of adhesives, urea-formaldehyde (UF) resin, phenol-formaldehyde (PF) resin, and polymeric methylene bis(phenyl isocyanate) (pMDI) were used to bond particleboard during the investigation of the effect of hot-pressing variables […]
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Forest Products Journal | 2003 |
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Factors Influencing Laser Cutting of Wood
Factors influencing the ability of lasers to cut wood may be generally classified into these three areas: characteristics of the laser beam; equipment and processing variables; and properties of the […]
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Forest Products Journal | 1986 |
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Factors influencing the moisture conditions in crawl spaces
The combined effect of ground cover and ventilation levels on the moisture content (MC) of wood framing members in crawl spaces was investigated. The experimental design included three ventilation and […]
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Forest Products Journal | 1989 |
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Factors That Affect the Time Required to High-Temperature Dry Pine Dimension Lumber
The influences of three stack widths, two sticker thicknesses, three target air velocities through the stack, and three fan reversal conditions are evaluated by a replicated experiment. Forty-five kiln charges […]
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Forest Products Journal | 1985 |
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Fast Method for Estimating the Ovendry Specific Gravity of Plywood
A fast method of determining the OD SG of moist plywood panels is proposed, and its accuracy is evaluated for commercial sheathing-grade, Douglas-fir plywood. The method consists of measuring the […]
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Forest Products Journal | 1977 |
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Feasibility Studies on Gluing of Red Oak At Elevated Moisture Contents
A series of short experiments were run to define operating parameters associated with gluing green red oak. Laminate blanks specified by ASTM block shear tests were machined from green lumber […]
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Forest Products Journal | 1971 |
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Finger Jointing At High Moisture Content
Scarf joints and finger joints were machined in Douglas-fir lumber that ranged from 8 to 23 percent in moisture content. The effect of drying stresses was evaluated by subjecting end-glued […]
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Forest Products Journal | 1960 |
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Finger-Jointing Kiln-Dried and Unseasoned White Spruce Lumber Using the ”WFPL” Method
Finger-joints were prepared from the different combinations of rough 2- by 12-inch, kiln-dried and unseasoned white spruce lumber, using a preheating method developed at the Western Laboratory of Forintek Canada […]
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Forest Products Journal | 1980 |