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| Title | Publication | Publish Year |
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Development of Respirometry as a Method for Evaluating Wood Preservatives
Use of the respirometer was studied in an effort to adapt this instrument to the evaluation of threshold or toxic limit values of wood preservatives. Most of the tests used […]
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Forest Products Journal | 1972 |
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Development of Standardized Concepts for Assignment and Assessment of the Mechanical Properties of Lumber–A Continuing Challenge for the 1980’S
During the first half of the twentieth century, research on the mechanical properties of lumber emphasized the cataloging of species properties and the development of structural grading principles. As we […]
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Forest Products Journal | 1980 |
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Development of the five-point bending test to determine shear moduli of wood composites
Current American Society for Testing and Materials (ASTM) methods of determining interlaminar shear moduli of structural wood composites are laborious and prohibitively expensive. Consequently, limited information about these properties exists, […]
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Forest Products Journal | 1994 |
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Developments in Glues and Gluing
The basic functions of wood adhesives are described and trends in adhesive development are traced. The characteristics of the synthetic resins–phenol, resorcinol, melamine, urea, and polyvinyl acetate–are summarized. Innovations in […]
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Forest Products Journal | 1956 |
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Developments in Glues and Gluing
A number of segments of the glues and gluing field are covered, including theory and practice. Discusses trends in adhesives developments, gluing techniques and glued products, test methods, and new […]
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Forest Products Journal | 1957 |
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Developments in Glues and Gluing–1957. FPRS Annual Review
Trends in types of adhesives used for various applications are discussed. Gluing techniques and equipment advancements are described in relation to plywood, lamination of treated and untreated wood, assembly and […]
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Forest Products Journal | 1958 |
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Does more preservative mean a better product?
Does more preservative provide better protection of wood products or does it disproportionately increase the potential for introducing pesticide into the environment? In an era of sensitivity about misuse of […]
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Forest Products Journal | 1999 |
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Drill samplers for quantification of microorganisms in wood
Two types of novel ?drill-and-collect? devices that take a sample of pulverized wood in a one-step sterile process are described. Sampler no. 1 is a machine-operated cylindrical device equipped with […]
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Forest Products Journal | 1989 |
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Durability of Adhesives in Plywood
Seven plywood adhesives were evaluated for durability by exposing panels and shear test specimens to weathering at the Madison exposure site for nearly 8 years. Wet strength loss and wood […]
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Forest Products Journal | 1976 |
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Durability of Adhesives in Plywood: Dry-Heat Effects By Rate-Process Analysis
Douglas-fir and yellow birch plywood specimens bonded with phenol-resorcinol-, melamine-, melamine-urea-, urea-, thermosetting polyvinyl acetate-, and acid-catalyzed phenol- resin adhesives were subjected to dry heat for varying periods of time. […]
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Forest Products Journal | 1975 |
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Durability of CCA B Treated Plywood with Nonconforming Penetration Patterns
Pressure treatment of commercial plywood constructed of western wood species, which subsequently exhibited penetration patterns not meeting industry standards for preservative distribution, caused concern regarding projected use for All Weather […]
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Forest Products Journal | 1982 |
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Durable Structural Components of Casein Nail-Glued Wood
The application characteristics of casein glue as a structural assembly material appear suitable, but its durability for long periods of time is questionable. Several examples of structural capabilities and durability […]
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Forest Products Journal | 1959 |
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Duration of Load
Duration of load, a concept expressing the interdependence between strength and time, is used in structural design codes for wood products. To obtain stresses suitable for loads lasting 10 years, […]
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Forest Products Journal | 1976 |
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Duration of Load Test for Wet Lumber in Bending
Testing of 210 pieces of 2 x 6 saturated hem-fir was carried out to ascertain the validity of applying the presently employed “duration of load” concept to commercial lumber. It […]
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Forest Products Journal | 1975 |
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Duration of Load Tests for Dry Lumber in Bending
Testing of 450 pieces of 2 by 6 Hem-Fir #2 Grade with stepwise ramploadings showed that strength was highly dependent upon stress level. The compression failures of clear material were […]
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Forest Products Journal | 1973 |
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Duration of Load Tests for Dry Lumber in Bending: A Comment
The validity of the presently employed duration-of-load concept has been challenged by Madsen in a recent article. His questioning of some long-held beliefs is well motivated, and he deserves much […]
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Forest Products Journal | 1973 |
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Duration of Load Tests for Dry Lumber Subjected to Shear
Tubular specimens made from clear material and material containing knots were subjected to shear. The load was applied using step-wise ramp loadings. A total of six rates of loadings varying […]
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Forest Products Journal | 1975 |
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Duration of Load Tests for Wood in Tension Perpendicular to Grain
A total of 180 Douglas-fir glulam blocks 5 inch by 5 inch by 24 inch, were tested in tension perpendicular to grain at six different rates of loading. It was […]
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Forest Products Journal | 1975 |
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Dynamic Test for Evaluating Decay in Wood
Strength loss has frequently been used as a criterion in the laboratory evaluation of the effectiveness of a preservative or the durability of wood because the loss in strength due […]
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Forest Products Journal | 1980 |
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Dynamic Viscoelasticity in Hardboard
Two types of hardboard composed of the same kind of fibers but made differently were tested by means of nondestructive dynamic vibrations. The data obtained were analyzed using relations utilized […]
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Forest Products Journal | 1967 |
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Dynamometer Tests on . . . Cutting Action of Chain-Saw Teeth
Little research has been done on multiple cutters for continuous cross-cutting under controlled conditions, which could lead to improvements in chain saws. A 38-inch saw disk driven by an accurate […]
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Forest Products Journal | 1960 |
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Effect of Exposure Cycles on . . . Stability of Commercial Particleboard
Twenty-six particleboard types representing both underlayment and standard board were evaluated for water absorption, thickness swelling, and linear expansion after exposure to high humidity or 24 hours of water soaking. […]
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Forest Products Journal | 1964 |
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Effect of hole diameter, hole distance from the edge, and material properties on lateral pin holding strength of medium density fiberboard and particleboard
There is no established standard which evaluates the lateral holding resistance of wood composites. The method of test offered in this study intends to determine the lateral resistance of panels […]
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Forest Products Journal | 2004 |
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Effect of moisture on the reading of a total hydrocarbon analyzer
The response of a flame ionization-based total hydrocarbon analyzer was found to be depressed up to 21 percent due to the effect of moisture in the sampled gas. This indicates […]
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Forest Products Journal | 1999 |
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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 |