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Effects of Forest Management Using Pruning and Thinning on Wood Quality and Strength Properties of Sugi Planted in Shimane Prefecture II.Relationship between forest management, and visual grading and bending properties of boxed-heart square timbers
planted sugi trees forest management visual grading bending properties
2009/11/23
The aim of this study was to clarify the effects of forest management such as pruning and thinning on the visual grading and bending properties of boxed-heart square timbers of sugi (Cryptomeria japon...
Effects of Ozonization on Properties of Wood-Based Board Bonded with Styrene-Butadiene Rubber and Polyethylene Glycol Adhesive
wood-based board styrene-butadiene rubber polyethylene glycol ozone mat moisture content
2009/11/23
SP adhesive, consisting of styrene-butadiene rubber (SBR) and polyethylene glycol (PEG), has been developed and used to make wood-based boards. This study aimed to improve the wood-based board propert...
Equilibrium Moisture Content of Japanese Cedar (Cryptomeria japonica) Green Wood for Columns in a High-Temperature Water Vapor Environment
real time measurement moisture content high temperature high pressure material for columns
2009/11/23
Changes in the moisture content of Japanese cedar (Cryptomeria japonica D. Don) green wood for columns with the dimensions of 110×110×1000 mm during drying in environments of over 100°C and 1 atm were...
Evaluation of the Wood Quality of Young Cryptomeria japonica Clones
Cryptomeria japonica Pilodyn penetration stress wave propagation lateral impact vibration
2009/11/23
One hundred and fourteen 10-year-old standing C. japonica 38 clones were examined by a non-destructive method to ascertain the possibility of evaluating the wood quality of standing trees with breast-...
Physical Properties and Wood Bonding Performance of Polyvinyl Alcohol with Addition of Montmorillonite
montmorillonite PVA heat resistance dynamic viscoelastic property wood bonding performance
2009/11/23
To improve the heat resistance of an aqueous vinyl polymer solution-isocyanate adhesive (API), we examined the film properties and the wood bonding performance of polyvinyl alcohol (PVA), which is gen...
Synthesis of Lignin Model Compounds and Their Application to Wood Research
monolignol β-O-4 LCC oligolignol artificial lignin
2009/11/23
Lignin is a complicated biopolymer which exists in the wood cell wall. Many model compounds that mimic substructures of lignin have been synthesized. They have been used and played an important role i...
Variation of Wood Properties with Height Position in the Stems of Obi-Sugi Cultivars
Obi-sugi cultivars wood property variation microfibril angle basic density height increment
2009/11/23
To promote the use of sugi woods, the information on the variation of wood properties is very important. Obi-sugi is a major group of sugi cultivars planted in Southern Kyushu. However there is no inf...
Correction factor for real-time determination of wood dust mass concentration by photometric method
photometry gravimetric method exposure to wood dust inhalable particles
2009/7/21
Samples of wood dust were collected in the working environment of wood machining processes for the purpose of determining correction factors for measuring mass concentration of wood dust by photomet...
Finite volume method for analysis of stress and strain in wood
finite volume method chair wood drying steaming
2009/7/21
This paper presents a numerical method (the finite volume method) for analysing stress and strain in wood as a solid body. The method is very simple and easy to use. It starts from an integral form ...
Dimensional stability of wood modified by citric acid using different catalysts
dimensional stability of wood beech wood fir wood chemical modification citric acid NaH2PO2 NaH2PO4
2009/7/21
Small wooden samples of fir (Abies alba Mill.) and beech (Fagus sylvatica L.) were chemically modified by citric acid (CA) as non-formaldehyde cross-linking system reagent and cured by convection he...
Fire retardants for wood
wood combustion of wood fire retardants fire retardant coatings chemical impregnation by pressure-treating
2009/7/21
Along with many advantages, wood as traditional building material also has some disadvantages. One of them is the flammability. The most usual way to improve the fire performance of wood is by treat...
Utilization of contribution margin in the costing system in production of components for wood working machines
calculation costing cost profit contribution margin
2009/7/21
The aim of this paper is to propose optimization of costing method for planning a production-sales programme of the chosen engineering enterprise dealing with the production of components for wood w...
Comparison of percentage of wood fracture surface analyzed by computer and by ISO 6238 in determining the quality of adhesive bonds
gluing quality portion of wood failure subjective objective methods
2009/7/21
This paper presents the results of measuring and estimating the percentage of wood fracture surface in testing the quality of adhesive bonds by using two methods. The first method is based on ISO 62...
Changes in value-added wood product manufacturer perceptions about certification in the United States from 2002 to 2008
certification United States wood products value-added manufacturers
2009/7/21
Certification is a voluntary mechanism which involves assessing either forest management practices or chain-of-custody tracking through supply chains against a set of standards. Certification is bec...
The Wood Machining Institute,Berkeley, California
The Wood Machining Institute Berkeley California
2009/5/21
The Wood Machining Institute, founded in January, 1984 in Berkeley, California, is an independent, international center organized to collect, evaluate and disseminate information about wood machining ...