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| Title | Publication | Publish Year |
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Hardness of Douglas-Fir and Ponderosa Pine Treated with ACA, CCA, and Penta-Petroleum
The effect of preservative treatment on tangential surface side hardness was investigated, following procedures of ASTM Standard D143-52, on matched samples of Douglas-fir and ponderosa pine treated with ACA, CCA-C, […]
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Forest Products Journal | 1983 |
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Hardwood Bark Properties Important to the Manufacture of Fiber Products
Bark properties believed to be important particularly to the paper industry include inner and outer bark morphology, specific gravity, extractives, fibrous yield, wood/bark adhesion, bark strength, bark toughness, reaction to […]
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Forest Products Journal | 1976 |
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Heartwood and Sapwood Impregnations with Vinyl Monomers
Eight species of wood were investigated, seven hardwoods, and one softwood. These species were selected because they had both the heartwood and sapwood present in the same board. Since the […]
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Forest Products Journal | 1968 |
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High-Frequency and Hot-Platen Curing of Medium-Density Fiberboards
The effects of two curing methods (high-frequency heating and hot-platen heating) on the properties of medium-density fiberboard were studied. Panels were made of a furnish produced by pressurized-refining of a […]
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Forest Products Journal | 1977 |
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High-Quality Particleboard from Cross-Grain, Knife-Planed Hardwood Flakes
A factorial experimental design was used to study the effect of four hardwood species, three panel densities, and three cross-grain flake thicknesses on particleboard strength and dimensional properties, flake geometries, […]
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Forest Products Journal | 1973 |
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High-Temperature Drying and Its Effect on Wood Properties
This review of literature discloses some of the paths followed in drying wood at schedules continuously or partially at temperatures above the boiling point of water. Some problems encountered in […]
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Forest Products Journal | 1969 |
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High-Temperature Drying Effect on the Bending Strength of Spruce-Pine-Fir Joists
Data from static bending tests of full-dimension eastern spruce, jack pine and balsam fir joists dried with high-temperature and conventional kiln schedules were analyzed. Linear regressions relating dry MOR to […]
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Forest Products Journal | 1977 |
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High-Temperature Drying: Its Application to the Drying of Lumber
In recent years marked advances have been made in the construction of high-temperature kilns in Germany. The kilns are well insulated and vapor-tight, so that heat losses and deterioration of […]
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Forest Products Journal | 1954 |
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High-Temperature Kiln Drying of Spruce Joists
It has been demonstrated that green eastern spruce joists can be successfully kiln-dried to 19 percent moisture content in less than 15 hours using a constant dry bulb temperature of […]
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Forest Products Journal | 1971 |
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Historical perspective of duration-of-load concepts
The purpose of this paper is not to conduct another survey or review of recent duration-of-load (DOL) research. Rather, its purpose is to present the development of the duration-of-load concept […]
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Forest Products Journal | 1995 |
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History of L/360
During the time the author has worked with trusses, the subject of L/360 and other deflection limitations often came up. Therefore, a search of the literature was made. Thomas Tredgold […]
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Forest Products Journal | 1979 |
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Holding Strength of Metal Inserts in Wood
The increasing popularity of knock-down furniture and manufacturers’ continued interest in finding efficient joints has led to expanded use of threaded metal inserts. Withdrawal strengths for a range of both […]
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Forest Products Journal | 1984 |
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Hot Melt Adhesive Applicator Speeds Gluing of Internal Bond Test Specimens
Two models (consumer and industrial) of electrically heated hand-held adhesive applicators in which adhesive dispensing is actuated by squeezing a trigger were evaluated. A multipurpose hot melt adhesive having a […]
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Forest Products Journal | 1983 |
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How Adjusting Fiber Acidity Improved Strength of Dry-Formed Hardboards
Wood fiber from red oak and balsam fir was refined under pressure in preparation for making dry-formed hardboard. The fiber of each species was adjusted to four acidity levels prior […]
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Forest Products Journal | 1978 |
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How Mole Ratio of UF Resin Affects Formaldehyde Emission and Other Properties: A Literature Critique
A critical review was made of the literature concerned with how the formaldehyde to urea mole ratio (F/U) affects formaldehyde emission from particleboard and plywood bonded with urea-formalde hyde (UF) […]
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Forest Products Journal | 1984 |
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How Species and Board Densities Affect Properties of Exotic Hardwood Particleboards
Four exotic hardwood species, kiri (Paulownia tomentosa), virola (Virola spp.), limba (Terminalia superba) and afrormosia (Pericopsis elata), were used to make three-layer particleboards with one species and in combinations of […]
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Forest Products Journal | 1974 |
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How Wax and Particle Shape Affect Stability and Strength of Oak Particle Boards
This study was made to determine the effect of particle shape and inclusion of wax on the dimensional changes in particle boards conditioned to constant weight at various relative humidities; […]
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Forest Products Journal | 1959 |
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Humidity and Temperature Effects on MOR and MOE of Hard Maple-Veneered Medium Density Fiberboard
There is a lack of information on the effect of various environments on the bending properties of hardwood-veneered medium density fiberboard (MDF) composite because MDF is a relatively new wood-base […]
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Forest Products Journal | 1981 |
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Humidity Cycling Effects on Pine Veneer-Particleboard Core Structure Panels
The influence of three repeated high-low RH cycles on dimensional changes and certain mechanical properties of the following three types of structural sandwich panels is presented: a) a three-ply, 7/8-inch-thick […]
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Forest Products Journal | 1979 |
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Hydrolytic Effects of An Acid-Phenolic Molding Resin on Southern Pine, Red Oak, and Douglas-Fir
A single-stage phenolic molding resin has been found which develops strong and waterproof bonds on wood. It cures with radio-frequency energy without arcing, and could be used for high-speed laminating, […]
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Forest Products Journal | 1984 |
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Impact Behavior of Particleboard as Related to Some Other Physical Properties
The impact strength, set, and elastic response of particleboard decking glued-nailed to simulated floor panels was determined under a sandbag drop test. The results of these tests on several commercial […]
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Forest Products Journal | 1974 |
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Impact Force-Deflection Diagrams for the FPL Toughness Test
A method is given for producing force-deflection diagrams of: specimens tested in the FPL Toughness Testing Machine. The record is produced on an oscilloscope from the output of force and […]
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Forest Products Journal | 1958 |
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Impact Loading Experimentation
This is a brief report of an impact loading test method. It evolved from experimentation leading to develop a test method which lends itself to analytical analysis and, as a […]
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Forest Products Journal | 1976 |
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Impact Modulus of Elasticity in Wood: A Relationship of Impact Values to Static and Dynamic Measurements
The validity of Young’s modulus determined by the standard incremental impact method was investigated by a series of tests on 29 beams of beech, okoume, and red spruce. The beams […]
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Forest Products Journal | 1956 |
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Improved Device for Measuring the Deformation of Wood Specimens in Compression Parallel to the Grain
Standard compressometers depend on uniform surface motion of the specimen at the point of attachment to the instrument. Since wood is non-homogeneous, it may become distorted under stress. To overcome […]
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Forest Products Journal | 1958 |