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| Title | Publication | Publish Year |
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Measuring slope of grain by electrical capacitance at moisture contents above fiber saturation
Recently, an electrical capacitance-type-device, called the slope-of-grain indicator, was found to be a suitable alternative to visual assessment of slope of grain in lumber. Early work reported that the device […]
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Forest Products Journal | 1993 |
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Mechanical properties of fire-retardant-treated plywood after cyclic temperature exposure
Some fire-retardant-treated (FRT) plywood used as roof sheathing has demonstrated loss of strength in service conditions. Research at the Forest Products Laboratory is aimed toward identifying the failure mechanisms of […]
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Forest Products Journal | 1996 |
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Mechanical Properties of Red Oak Related to Drying
Perpendicular to grain static tension tests at 0?, 45?, and 90? to the growth rings, and compression tests at 0? to the growth rings, were carried out at 80?, 130?, […]
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Forest Products Journal | 1957 |
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Mechanics of Compression Drying Solid Wood Cubes and Chip Mats
Wood cubes and chip mats were compressed in a cell under ram face pressures to 13,000 psi. The amount of water removed was determined for a range of species of […]
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Forest Products Journal | 1982 |
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Mechanism of Check Formation
Experiments with wood and plastic models have shown the type of second-order stress distribution which can be expected in the rays and prosenchyma in the surface layers of a flatsawn […]
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Forest Products Journal | 1963 |
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Mechanism of Electrical Conduction in Wood
In this paper the authors apply to wood a recent hypothesis regarding electrical conduction in textile fibers. They present and examine the proposal that the large increases in electrical conductivity […]
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Forest Products Journal | 1963 |
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Mechano-sorptive behavior of solid wood stressed in compression perpendicular to the grain
End-matched samples 1.0 inch along the grain, either 2.0 or 2.5 inches perpendicular to the grain, and 0.15 inch thick, were stressed in compression perpendicular to the grain while cycled […]
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Forest Products Journal | 1996 |
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Medium density fiberboard made from phenolic resin and wood residues of mixed species
Medium density fiberboard (MDF) (or medium density hardboard) made from steam-pressure-refined wood residues (a mixture of 70% hardwoods and 30% softwood species) met most of the specifications required for service […]
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Forest Products Journal | 1992 |
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Medium Density Hardboard–A Leading Contender for the Siding Market
This paper outlines the development of fiber siding and compares its basic properties and application costs with wood and other materials in common use. Medium-density hardboard is a softer, lower […]
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Forest Products Journal | 1968 |
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Method of Studying Dimensional Movement in Wood Floors in Response to Moisture Changes
A method of placing a 4- by 4-foot floor section over a water-filled pan was found to simulate the dimensional movement of wood floors in actual service. The floor section […]
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Forest Products Journal | 1969 |
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Minimizing Face Checking of Plywood
A study of face checking in cold-pressed Douglas-fir plywood examined the contributing effects of grain (coarse, fine), quality of peel, (lathe check depth), moisture content at time of manufacture, and […]
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Forest Products Journal | 1955 |
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Modeling forced-air drying of particulate wood fuels
A model of forced-air drying of wood particles allowing prediction of drying time and cost is described. A microcomputer version of the mathematical model is available.
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Forest Products Journal | 1990 |
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Modulus of Elasticity of Kiln-Dried Lumber
The modulus of elasticity (MOE), moisture content, and density were measured on boards of kiln-dried Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] of four grades in sizes from 2 by 4 to […]
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Forest Products Journal | 1967 |
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Moisture and the Wood of the Southern Pines
This paper is concerned with the relations of moisture to wood of longleaf pine, shortleaf pine, loblolly pine, slash pine, pitch pine, pond pine, Virginia pine, table-mountain pine, sand pine, […]
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Forest Products Journal | 1969 |
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Moisture Changes in Oak and Hickory Fuel Chips on Roofed and Unroofed Louisiana Air-Drying Grounds as Affected By Pile Depth and Turning of Chips
Freshly cut whole-tree hickory chips had lower moisture content (MC) initially and dried more rapidly than those of southern red oak. Such chips spread during April 1981 in roofed trays […]
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Forest Products Journal | 1983 |
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Moisture Changes with Different Relative Humidity Conditions in Plant Humidification Equipment
Three levels of relative humidity (50, 65, and 80 percent) were used to condition overdried samples of 1/8-inch and 1/4- inch-thick hardboard to a moisture content of 5 percent at […]
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Forest Products Journal | 1954 |
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Moisture Content Changes and Creep of Wood
Beech beams 2 by 2 mm in cross section were supported over a span of 60 mm and loaded at the center of the span. The beams were exposed at […]
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Forest Products Journal | 1964 |
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Moisture Content Control in Drying Dimension Lumber
A method of quality control of lumber moisture content is described. This includes monitoring and plotting of average moisture content and percentage non-conforming, and the recognition of conditions requiring the […]
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Forest Products Journal | 1977 |
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Moisture Content Determination for Wood with Highly Volatile Constituents
This study found that the Karl Fischer titration method of moisture determination is superior to others tested. The study had two objectives: l) to determine correction factors for moisture-content readings […]
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Forest Products Journal | 1963 |
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Moisture Content Effect on In-Plane Shear Moduli of Sheathing Grade Flakeboard and Plywood
This study compared the change in shear moduli of sheathing grade flakeboard and plywood over a broad range of RHs (36 percent to 87 percent) that might be associated with […]
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Forest Products Journal | 1978 |
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Moisture Content in a Wood Foundation Wall
A treated wood basement foundation was installed and instrumented to measure moisture content (MC) and temperature of wood below grade. The test wall was unfinished on the interior side. On […]
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Forest Products Journal | 1985 |
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Moisture Content of Beetle-Killed Southern Pine Timber in Eastern Texas
In October 1981, beetle-killed southern pine trees were harvested to provide data for validating a sawmill decision model. As part of that study, moisture content samples were taken at the […]
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Forest Products Journal | 1983 |
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Moisture Content of Building Structural Members
The moisture content of building structural members vary with the season, position of the wood, usage, and the amount of heat in the building. The highest moisture content found was […]
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Forest Products Journal | 1960 |
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Moisture Content of House Framing
This paper describes the seasonal variation in moisture content of framing in a slab-on-ground, brick veneer residential building (not air-conditioned) located in Baton Rouge, Louisiana. The species of wood was […]
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Forest Products Journal | 1962 |
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Moisture Content of Southern Pine as Related to Thrust, Torque, and Chip Formation in Boring
Holes 3-1/2 inches deep were bored with a 1-inch spur machine bit in southern pine having specific gravity of 0.53 (ovendry weight and volume at 10.4 percent, moisture). The bit […]
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Forest Products Journal | 1972 |