Advanced Search
| Title | Publication | Publish Year |
|---|---|---|
|
Quantitative Determination of Phenolic Resins in Particleboard
A method was developed for determining the amount of phenol-formaldehyde or resorcinol-formaldehyde resin in particleboard. The method employs chlorosulfonic acid (CSA) at room temperature to dissolve the wood which is […]
|
Forest Products Journal | 1966 |
|
Rapid Determination of Wood Fuel Moisture Content Using a Microwave Oven for Drying
A method of determining moisture content (MC) of wood fuel using a microwave oven for drying the wood was evaluated by drying paired samples of five different wood fuel types […]
|
Forest Products Journal | 1982 |
|
Rapid Duplication of Glue Failure Measuring Device
It was found that the gage described in U.S. Forest Service Research Note FPS,-0102 could be easily reproduced by the following method. Draw the gage on a piece of paper […]
|
Forest Products Journal | 1966 |
|
Rapid Evaluation of Glue Joints in Laminated Timbers
Specimens of 6 by 6 inches in cross section and 1, 2, and 3 inches long along the grain were taken from laminated beams of Douglas-fir and white oak glued […]
|
Forest Products Journal | 1964 |
|
Rapid Method to Determine Internal Bond and Density Variations of Particleboard
By organizing and simplifying the routine of plant hot testing of particleboard for internal bond (IB) and density variations, it is possible to reduce the response time between sample removal […]
|
Forest Products Journal | 1981 |
|
Rapid prediction of wood stiffness from microfibril angle and density
Wood quality is rapidly becoming a major consideration in tree improvement programs. Rapid, cost-effective methods will be required to cope with the large numbers of samples (increment cores) generated by […]
|
Forest Products Journal | 2001 |
|
Rate of Loading Adjustment for Proof Testing of Lumber in Tension
Tension proof loading of truss lumber could provide practical, economic benefits to several industries. One implementation difficulty is that current allowable design stresses are tied to tests conducted at a […]
|
Forest Products Journal | 1986 |
|
Rate of Loading Influence on Southern Pine 2 By 4’S in Bending
Approximately 400 southern pine No. 2 Dense, kiln-dried 2 by 4’s were tested in third-point, edgewise bending to determine the influence of an increased rate of testing on strength and […]
|
Forest Products Journal | 1980 |
|
Reducing Internal and External Decay of Untreated Douglas-Fir Poles: A Field Test
Laboratory culturing and a closed-tube bioassay with Poria placenta revealed that the fumigants chloropicrin and methylisothiocyanate effectively reduced the incidence of internal decay in non-pressure-treated Douglas-fir poles in ground contact […]
|
Forest Products Journal | 1986 |
|
Relationship Between Early Decay and Radial Compression Strength of Douglas-Fir
The ability of radial compression strength (RCS) to indicate early decay in Douglas-fir was examined. Plugs 3/8 inch in diameter and 3/4 inch long, cut from the sapwood and heartwood […]
|
Forest Products Journal | 1983 |
|
Relationship between stress wave transmission time and bending strength of deteriorated oriented strandboard
Stress wave nondestructive evaluation (NDE) technologies are used in the inspection of timber structures and frequently complement visual inspection procedures. Inspectors use stress wave NDE techniques to locate internal voids […]
|
Forest Products Journal | 2003 |
|
Relationship of Adhesive Softening Temperature to Exposure Tests for Bond Durability
Thermal softening temperatures for nine adhesives were determined and related to the durability of these adhesives in wood laminates. The wood-glue bond exposure tests involved up to 6 years of […]
|
Forest Products Journal | 1978 |
|
Relationship of Moisture Content and Flexural Properties in 25 Commercial Hardboards
Twenty-five types of commercial hardboard were studied representing ten different companies with treated and untreated boards in 1/8- and 1/4-inch thicknesses. Three manufacturing processes–wet, semidry, and dry–were represented. The hardboard […]
|
Forest Products Journal | 1956 |
|
Relationships between small-specimen and large panel bending tests on structural wood-based panels
Four test methods were used to measure bending strength and stiffness of nine different structural wood-based panels. Four plywoods, four oriented strandboards, and one waferboard were evaluated by one small-specimen […]
|
Forest Products Journal | 1990 |
|
Resin Distribution in Flakeboard Shown By Ultraviolet Light Photography
Color photomicrographs of particleboard cross sections by ultraviolet light give new important information on flake-to-flake bonding. The photographs, taken of cross sections of particleboards glued with resins containing a dye […]
|
Forest Products Journal | 1968 |
|
Resistance of Casein Glue Joints to Shear Fatigue Stressing
The fatigue strength of casein glues determined from a specimen subjected to torsional shear indicates that at 10,000,000 cycles, the practical end point in fatigue testing, the strength is only […]
|
Forest Products Journal | 1961 |
|
Reverse Proofloading of Lumber
The determination of the strength distribution of a given structural grade of lumber from any chosen mill is of growing concern to the lumber industry. Lumber in the lower range […]
|
Forest Products Journal | 1982 |
|
Rigidity of furniture cases with various joint constructions
Although expressions have been developed to predict the deflection characteristics of five-sided furniture cases, these expressions do not take into account the stiffness of the joints. This study was carried […]
|
Forest Products Journal | 1987 |
|
Rigidity of furniture cases with various joint constructions
Although expressions have been developed to predict the deflection characteristics of five-sided furniture cases, these expressions do not take into account the stiffness of the joints. This study was carried […]
|
Forest Products Journal | 1987 |
|
Role of Density in the Erosion of Wood During Weathering
Samples from 12 hardwoods and 6 softwoods were artifically weathered. The rate of surface erosion was measured with a light microscope at exposure intervals of 600 hours. The results showed […]
|
Forest Products Journal | 1986 |
|
Sample size effect on the structural properties of glue-laminated posts
An investigation was conducted on the effect of sample size upon the calculated allowable structural properties of glue-laminated splice joints in wood construction posts. Based on the three-parameter Weibull distributions […]
|
Forest Products Journal | 1992 |
|
Sampling Probe for Monitoring Changes in Storage Piles of Wood and Bark Particles
A conical bucket auger device is described. It can be used to remove samples from within storage piles of wood or bark particles in order to continuously monitor the effects […]
|
Forest Products Journal | 1980 |
|
Sawing Laboratory Samples–An Improved Technique
Preparation of rectangular longitudinal samples from round material requires firm restraint to prevent movement while in the saw and to maintain accuracy of cut. Once flat surfaces at right angles […]
|
Forest Products Journal | 1985 |
|
Screening of wood preservatives: comparison of the soil-block, agar-block, and agar-plate tests
Results from the soil-block, agar-block, and agar-plate tests using two white-rot and two brown-rot fungi were compared. Eight commercially available biocides encompassing inorganic and organic systems were tested, with each […]
|
Forest Products Journal | 1995 |
|
Selecting a gauge length to measure parallel-to-grain strain in southern pine
For foil-bonded or mechanically attached gauges to accurately measure strains in wood, the gauge must be sufficiently large to cover a representative area of annual growth-ring increment. Too small a […]
|
Forest Products Journal | 1991 |