Advanced Search
| Title | Publication | Publish Year |
|---|---|---|
|
Veneer Recovery At a High-Speed Core Lathe
Western hemlock (Tsuga heterophylla (Raf.) Sarg.) logs up to 18-inch scaling diameter were processed on a high speed, small block core lathe cutting 4-foot veneer under production conditions. From logs […]
|
Forest Products Journal | 1978 |
|
Veneer Recovery from Live and Dead Lodgepole Pine
Recovery of dead lodgepole pine for core-stock veneer is probably feasible but varies with time-since-death and size. Volume recovery for 1-year dead was not radically different from live trees, but […]
|
Forest Products Journal | 1983 |
|
Veneer Yields from Southern Pine Bolts
This paper discusses a statistical study on the veneer yields of 169 southern pine bolts. The bolts were 103 inches long and graded as No. 1, No. 2, and No. […]
|
Forest Products Journal | 1967 |
|
Vibration, Static Strength, and Elastic Properties of Clear Douglas-Fir At Various Levels of Moisture Content
Longitudinal vibration characteristics of small, clear Douglas-fir beams at several moisture levels were compared with static strength and elastic properties of the same material. Both static modulus of rupture and […]
|
Forest Products Journal | 1964 |
|
Visual stress grades of dahurian larch lumber
Allowable properties for dahurian larch (Larix dahurica) lumber from the Russian Far East were estimated. Although sample limitations prevented exact adherence to current U.S. standards, analyses were made in the […]
|
Forest Products Journal | 1997 |
|
Volatile organic compound emissions arising from the hot-pressing of mixed-hardwood particleboard
This study investigated the effects of adhesive type and press variables on the volatile organic compound (VOC) emissions arising from hot-pressing mixed-hardwood particleboard. Three adhesive types, urea-formaldehyde resin (UF), phenol-formaldehyde […]
|
Forest Products Journal | 2002 |
|
Volume and value variation with opening face position: an investigation with pruned softwood logs
This study examined the effect of opening sawline position on the volume and value of timber yield. Yield was generated from the simulated sawing of 12 pruned softwood logs. Each […]
|
Forest Products Journal | 2001 |
|
Volume recovery, grade yield, and properties of lumber from young-growth Sitka spruce and western hemlock in southeast Alaska
Wood volume recovery, lumber grade yield, and mechanical properties of young-growth Sitka spruce (Picea sitchensis (Bong.) Carr.) and western hemlock (Tsuga heterophyla (Raf.) Sarg.) were examined. The sample included trees […]
|
Forest Products Journal | 2002 |
|
Warp Reduction in Young-Growth Ponderosa Pine Studs Dried By Different Methods with Top-Load Restraint
Studs sawed from small diameter, young-growth ponderosa pine suffer severe warp when dried. The feasibility of using a top load restraint of 200 pounds per square foot during drying was […]
|
Forest Products Journal | 1978 |
|
Warp reduction of SYP lumber by restrained drying
Warp in dimension lumber is a significant cause for loss in grade and value. Among dimension lumber, the 2- by 4-inch size is typically the most susceptible to warp for […]
|
Forest Products Journal | 2005 |
|
Weathering Effect on Thujaplicin Concentration in Western Redcedar Shakes
Western redcedar shakes were analyzed for thujaplicins after one, three and five years of exposure to weather. Partial depletion of these thujaplicins from the middle part, and complete loss from […]
|
Forest Products Journal | 1980 |
|
Weight Losses of 40 Wood Species Exposed to Poria Incrassata and Merculius Lacrymous
The decay resistance of 40 native and exotic woods were evaluated by exposing test specimens to Poria incrassata and Merculius lacrymans and then determining the weight loss due to decay. […]
|
Forest Products Journal | 1959 |
|
Weight-Scaling Sawlog Volume By the Truckload
An extensive two-stage study by Olin Matheson and USFS Southern Forest Experiment Station comparing conventional stick-scaling with weight-scaling led to the adoption of the latter. Olin installed a 60-foot, 50-ton […]
|
Forest Products Journal | 1962 |
|
Western redcedar extractives: Is there a role for the silviculturist?
Understanding how silvicultural treatments and changes in the forest resource will affect wood quality characteristics, including heartwood natural durability, is a critical need for forest managers. Because heartwood properties can […]
|
Forest Products Journal | 2006 |
|
Western wood species treated with chromated copper arsenate: effect of moisture content
The effect of wood moisture content on treatability with chromated copper arsenate was examined for western hemlock, mountain hemlock, grand fir, white fir, noble fir, Pacific silver fir, and Douglas-fir […]
|
Forest Products Journal | 1996 |
|
Wettability and Gluability of Douglas-Fir Veneer
This study examined the relationship between wetting contact angle of water (pH = 11) and bond performance with a phenolic adhesive. To avoid surface inactivation, green veneers of Douglas-fir were […]
|
Forest Products Journal | 1980 |
|
Wettability of Wood
The purpose of this study was to check the application of defined physico-chemical concepts to the wettability of wood surfaces. Specific objectives were to determine 1) the critical surface tension […]
|
Forest Products Journal | 1965 |
|
Whole-Tree Utilization of Southern Pine Advanced By Developments in Mechanical Conversion
In 1963, approximately 30 percent of the dry weight of above- and below-ground parts of southern pine trees ended as dry surfaced lumber or paper, and the remaining 70 per […]
|
Forest Products Journal | 1973 |
|
Why does Douglas-fir heartwood turn black when treated with ammoniacal copper preservatives?
Douglas-fir heartwood often turns very dark in color when treated with ammoniacal copper preservatives. The cause of this black discoloration is unknown. Examination of the acetone-soluble extractives present in Douglas-fir […]
|
Forest Products Journal | 1994 |
|
Withdrawal Resistance of Plain and Galvanized-Steel Nails During Changing Moisture Content Conditions
Plain and galvanized-steel nails were driven into Douglas-fir and red oak specimens which had been conditioned to 5 percent or 20 percent moisture content. Nail withdrawal resistance was measured after […]
|
Forest Products Journal | 1971 |
|
Wood in a Gulf Coast Chemical Plant
Under certain conditions, wood is a preferred material for chemical plant installations, especially along the Gulf Coast where atmospheric corrosion is a problem. Generally, the wood is given a preservative […]
|
Forest Products Journal | 1953 |
|
Wood in Chemical Engineering Construction
The important role of wood in chemical engineering construction and the need for further research aimed toward its most effective use are discussed. Data are given showing the loss in […]
|
Forest Products Journal | 1954 |
|
Wood in Transverse Compression: Influence of Some Anatomical Variables and Density on Behavior
Douglas-fir, western redcedar, sugar pine, white oak, chestnut, white elm, yellow birch, beech, and black willow at moisture contents of 4 to 5.5 percent were tested in transverse compression to […]
|
Forest Products Journal | 1968 |
|
Wood Laminating Adhesive System for Ribbon Spreading
Equipment and techniques are described for “ribbon” or “extruded” adhesives. From a laboratory equipment standpoint, two extrusion systems are discussed–air pressurized glue tank reservoir, and positive displacement pump. Conventional phenolresorcinol-formaldehyde […]
|
Forest Products Journal | 1970 |
|
Wood Laminating Comes of Age
The development of new and improved glues has been important for the growth of the laminating industry. Important improvements have been made in the resistance of glue bonds to water, […]
|
Forest Products Journal | 1954 |