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| Title | Publication | Publish Year |
|---|---|---|
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A Comparison of Three Methods for Determining the pH of Wood and Paper
The procedure generally used for determining the pH of wood and paper consists of immersing the material in distilled water for various lengths of time, with or without heating or […]
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Forest Products Journal | 1961 |
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A Computer Control System At Potlatch Forests Inc
Potlatch Forests, Inc., Lewiston, Idaho, mill has installed the world’s first computer control system on a paper machine. It is known as a 1710 Process Control System, and consists of […]
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Forest Products Journal | 1962 |
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A Conventional House Challenges Simulated Forces of Nature
The structural performance of a full-scale conventional house is not well understood. Past work has generally been limited to the assessment of parts and pieces, but little testing has been […]
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Forest Products Journal | 1975 |
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A Direct Scanning Densitometer to Measure Density Profiles in Wood Composite Products
The intent of this work was to establish a procedure for collecting and analyzing profile data from the scanning densitometer, and to compare the procedure and results for the densitometer […]
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Forest Products Journal | 1986 |
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A Hand Instrument for Evaluating Wood By Compression
A lightweight, hand instrument is described that can be used in the woods or mill to preselect material of high fiber strength so that such timbers can be earmarked for […]
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Forest Products Journal | 1966 |
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A Hydraulic Test Facility for Timber Structures
A new structural test unit at Purdue University consists of a structural floor slab, steel holding brackets, and a hydraulic system for applying load forces to full-scale specimens. Wall reactions […]
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Forest Products Journal | 1956 |
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A laboratory-built clip-on strain gauge transducer for testing wood
Experimental testing of wood structural members often requires many specimens and multiple strain measurements on each specimen. Thus, an efficient and economical strain-measuring instrument is desirable. This paper presents a […]
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Forest Products Journal | 1989 |
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A Method for Determining the Elastic Constants of Wood By Means of Electric Resistance Strain Gages
The use of electric resistance strain gages on wood for determination of elastic constants is explained. A method for finding moduli of rigidity from a compression test at an angle […]
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Forest Products Journal | 1955 |
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A method of testing the full cross section of wood in tension perpendicular to the grain
This report describes a method of testing wood specimens in tension perpendicular to the grain whereby the entire cross section of the wood may be subjected to stress. This method […]
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Forest Products Journal | 1994 |
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A miniature mechanical apparatus and test protocol for bending and crushing tests in wood preservation research
A miniature mechanical test apparatus for determining the modulus of elasticity and crushing strength of small wood specimens has been developed. This apparatus provides a sensitive method for laboratory studies […]
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Forest Products Journal | 1996 |
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A New Device for Studying the Blister Resistance of House Paints
A new paint blister box that simulates cold-weather condensation and rain penetration in house siding has been developed. The new apparatus consists of a test chamber 33 inches wide, 42 […]
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Forest Products Journal | 1960 |
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A New Method for Evaluating Interior Plywood
The cyclic delamination test of CS-45-55 for interior plywood was found to be insensitive to gluing variables. For research purposes a more discriminating cyclic delamination test was devised, using a […]
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Forest Products Journal | 1955 |
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A New Method for Evaluation of Internal Strength of Particleboard
A good relationship exists between torsion shear and internal-bond strength for 53 Canadian-made commercial particleboards. This relationship is independent of specimen sizes between 2 and 1/2-inch square and is applicable […]
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Forest Products Journal | 1969 |
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A New Method for Studying the Elastic Behavior of Wood
The “second area moment proposition” was used to determine the modulus of elasticity of wood at various angles to the grain. The second area moment proposition is defined as “The […]
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Forest Products Journal | 1948 |
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A New Method for Testing Glue Joints of Laminated Timber in Service
A means of testing glue joints in laminated timbers in service by removing and shearing 1-inch diameter plugs was studied with promising results. Comparative shear tests were made on glue […]
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Forest Products Journal | 1962 |
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A New Method for Testing Treated Wood Specimens
For 4 years the Norwegian Forest Research Institute has tested an “upon the ground” wood specimen test method. Stakes are placed flat so the entire under surface is in contact […]
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Forest Products Journal | 1957 |
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A New Method for Testing Wood Adhesives–III. Response of the Cross-Lap Specimen to Joint Defects
Glued wood specimens were prepared to include flaws in the joint which might arise through failure to develop a complete bond. Two methods of testing cross-lap specimens (Dillion Tensile Tester […]
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Forest Products Journal | 1956 |
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A New Method for Testing Wood Adhesives: II. Test Apparatus
For testing properties of assembly adhesives, dowel joints, screws, and other fastenings a simple machine and test procedure was designed based upon the use of a diaphram to deliver compressive […]
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Forest Products Journal | 1955 |
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A New Method for Testing Wood Adhesives: Part I. the Specimen
Analysis of the block-shear and plywood-shear techniques for testing gluelines showed that the wood is highly stressed during testing whereas stresses are concentrated at the glue bond in many constructions […]
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Forest Products Journal | 1955 |
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A New Performance Test for Interior Plywood and Its Application to Panels Containing White-Pocket Veneer
A new test is described for DFPA plywood containing white-pocket. Two-by-five-inch specimens with the grain of the outer plies parallel to length shall be submerged in water at room temperature […]
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Forest Products Journal | 1959 |
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A New Procedure for Measuring Fiber Saturation Points
Twenty-mil-thick across sections of Sitka spruce, slash pine, balsa, and maple were cut from water-logged blocks with a microtome-type milling knife. Microscopical examination showed that the cell walls were not […]
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Forest Products Journal | 1967 |
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A Non-Destructive Test of Glue-Bond Quality
A non-destructive vibration technique for measuring resonant frequency and logarithmic decrement (rate of decay of vibration) was applied to two-ply laminated wood specimens containing four types of gluing defects. The […]
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Forest Products Journal | 1955 |
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A Plug Test for Plywood Lumber Composites
A plug shear test technique has been found adaptable for testing gluelines in plywood lumber assemblies. This technique, as compared with the standard block shear method, simplifies the preparation of […]
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Forest Products Journal | 1973 |
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A Portable Gas Analyzer
This paper describes a portable gas analyzer designed to measure oxygen and carbon dioxide concentrations in samples too small to be assayed by commercial analyzers. The commercial analyzers require a […]
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Forest Products Journal | 1966 |
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A practical method to evaluate the dimensional stability of wood and wood products
This paper presents a new, simple method to evaluate wood and wood products for their resistance to swelling, and to assess wood preservatives for their ability to dimensionally stabilize treated […]
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Forest Products Journal | 1991 |