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| Title | Publication | Publish Year |
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Effect of Prescribed Defects on Tensile Properties of Douglas-Fir Plywood Strips
The adverse effects of single, centrally located knots on the parallel-to-grain tensile strength of 5-inch-wide Douglas-fir veneer and plywood strips were evaluated in relation to the strengths of side-matched, clear […]
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Forest Products Journal | 1974 |
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Effect of Preservative Salts on Properties of Hardwood Veneer
Toughness of specimens from three species of wood was evaluated at seven retention levels for each of four preservative formulations–Boliden Salt, Chemonite, Celcure, and copper chromate. Toughness of sweetgum and […]
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Forest Products Journal | 1964 |
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Effect of Press Cycles and Moisture Content on Properties of Douglas-Fir Flakeboard
Press cycles, moisture content, and moisture content distribution affect such physical properties of particle boards as layer density, moduli of rupture and elasticity, internal bond strength, and dimensional stability. These […]
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Forest Products Journal | 1959 |
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Effect of Repeated Loading and Salt-Water Immersion on Flexural Properties of Laminated White Oak
This paper reports the results of a Forest Products Lab. study sponsored by the Bureau of Ships to learn the combined effect of moisture and repeated loadings on glued laminated […]
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Forest Products Journal | 1959 |
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Effect of Repeated Loading on Tensile Properties of Wood
Creep response of wood under repeated loading in tension parallel to the grain is primarily controlled by initial strain. The creep-initial strain relationship for all nine species studied is defined […]
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Forest Products Journal | 1960 |
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Effect of Resin Content and Density on Acoustic Emission from Particleboard During Internal Bond Testing
Handmade particleboard, representing a wide range of density and resin levels, was tested for internal bond (IB) while monitored for acoustic emission (AE) events. The 175-kHz AE sensor was mounted […]
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Forest Products Journal | 1986 |
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Effect of Reversing the Loose and Tight Sides of Surface Veneer on Flexural and Shear Properties of Southern Pine Plywood
Placing the loose side of face veneers outside has only a small effect on the stiffness of uncycled southern pine plywood. However, the effect (reduction) could be 10 percent or […]
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Forest Products Journal | 1975 |
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Effect of Several Drying Conditions on Strength of Coast-Type Douglas-Fir Timbers
Four-inch-thick Douglas-fir timbers were air-dried, kiln-dried, and organic-vapor-dried to determine: honeycomb development in timbers dried in xylene vapors, comparative rate of kiln-drying 4-inch material at 150? and 200?F., and effect […]
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Forest Products Journal | 1957 |
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Effect of Several Production Variables on Modulus of Rupture and Internal Bond Strength of Boards Made of Green Douglas-Fir Planer Shavings
Using planer shavings from Douglas-fir (Pseudotsuga menziesii), boards were made with variables as follows: three specific gravity levels, 0.60, 0.75, 0.90; three wax levels, 0 percent, 0.75 percent, l.5 percent; […]
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Forest Products Journal | 1957 |
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Effect of Shives Content of Hardboard Properties
Five pulps with shives contents of 1, 4, 10, 20, and 50 percent were prepared by systematic addition of shives to a refined base pulp. Hardboards were then produced in […]
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Forest Products Journal | 1983 |
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Effect of Shock Loading from Series Testing on Tensile Strength of Lumber and Connector Systems
Knowing the time-dependent strength characteristics of lumber will help promote more efficient use of our timber resource. A very important characteristic is duration of load in tension. Unfortunately, insufficient information […]
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Forest Products Journal | 1984 |
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Effect of Size on Tensile Strength of Clear Douglas-Fir and Hem-Fir Dimension Lumber
Nominal 2- by 4-, 6-, 8-, and 10-inch clear, coast Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) and hem-fir (Tsuga heterophylla [Taf.] Sarg.) and (Abies spp.) dimension lumber was seasoned to 10 […]
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Forest Products Journal | 1974 |
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Effect of Some Manufacturing Variables on the Properties of Fiberboard Prepared from Milled Douglas-Fir
Pulp made from Douglas-fir chips was used to study process variables operative in the forming and drying of fiberboard. Fiber mats were produced in a 10-inch square forming box. The […]
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Forest Products Journal | 1948 |
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Effect of Span-To-Depth Ratio on Modulus of Elasticity of Douglas-Fir Joists
Pure modulus of elasticity and modulus of rigidity were measured on six Douglas-fir joists containing knots. Pure modulus of elasticity ranged from about 1,100,000 to 2,220,0.00 pounds per square inch. […]
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Forest Products Journal | 1968 |
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Effect of Species and Panel Density on Durability of Structural Flakeboard
Structural flakeboard panels made with species of sweetgum, hickories, red oaks, white oaks, and southern pines, and with a 20 percent mixture of each species group, were subjected to a […]
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Forest Products Journal | 1985 |
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Effect of Steaming and Kiln Drying on the Properties of Southern Pine Poles
Data were obtained on the effect of method of conditioning on the bending and compression strength of southern pine utility poles and piling sections. Three conditioning methods were studied: Steam […]
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Forest Products Journal | 1969 |
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Effect of Steaming and Kiln Drying on the Properties of Southern Pine Poles. Part II: Chemical Properties
Investigations of the relationship between strength reductions due to steam conditioning of southern pine poles and changes in chemical composition indicate that the reductions in strength that were noted are […]
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Forest Products Journal | 1969 |
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Effect of Steaming Temperature and CCA Retention on Mechanical Properties of Southern Pine
A study was designed to investigate the interaction between chromated copper arsenate (CCA) retention and post-treatment steaming temperature on static bending properties of southern pine. Small, clear southern pine samples […]
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Forest Products Journal | 1985 |
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Effect of Temperature and Humidity on Toughness of Three Structural Particleboards
To verify environmental/impact strength relationships for structural particleboards the effect of environmental conditions on the toughness of three commercially produced structural particleboards was studied. Variables examined were temperature, relative humidity, […]
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Forest Products Journal | 1976 |
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Effect of Temperature, Time, and Drying Medium on the Strength and Gluability of Douglas-Fir and Southern Pine Veneer
The effect of three treatments on strength properties of veneer was investigated by static bending tests to determine modulus of rupture (MOR) and modulus of elasticity (MOE). The treatment effects […]
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Forest Products Journal | 1974 |
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Effect of Three Species of Logging Slash on the Properties of Aspen Planer Shavings Particleboard
Particleboard furnishes were prepared from three species of logging slash – aspen, jack pine, and black spruce – by chipping the slash and flaking the green chips in a ring […]
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Forest Products Journal | 1975 |
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Effect of Transverse Compressive Stress on Equilibrium Moisture Content of Wood
This study was conducted to determine the magnitude of the changes in equilibrium moisture content of dry wood when allowed to absorb moisture while restrained from swelling by a compressive […]
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Forest Products Journal | 1968 |
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Effect of two resin levels on the properties of commercial southern OSB
The effect of two resin levels of liquid phenol-formaldehyde, 4.5 and 6.5 percent resin solids, on certain physical and mechanical properties of commercially fabricated oriented flakeboards was determined at 65 […]
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Forest Products Journal | 1989 |
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Effect of Wet and Dry Cyclic Exposures Upon Strength and Stiffness of Exterior Grade Southern Pine Plywood
Two types of water repellent were applied to exterior type southern pine plywood specimens. These and untreated specimens were subjected to five cycles of wet-dry exposures and then tested. Results […]
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Forest Products Journal | 1973 |
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Effective Length of Compression Web Members in Light Wood Trusses
It is commonly assumed that 0.80 is the effective length factor for the design of compression web members in light wood trusses. This study examined the validity of this assumption […]
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Forest Products Journal | 1986 |