Wood Handbook, Wood as an Engineering Material
loaded at midspan, then h 2 = 5.08 mm (2 in.), L 2 = 71.112 mm (28 in.), and a 2 = 0 and Equation (9–17) becomes (metric) (9–18a ...
where the plus sign is chosen if the axial load is tension and the minus sign is chosen if the axial load is compression, fb is ...
where Fc is compressive strength and remaining terms are defined as in Equation (9–25). Figure 9–7 is a graphical rep- resentati ...
fixed-end condition. To limit the effect of ponding, the beam spacing must be less than Scr. Lateral–Torsional Buckling Because ...
where f is actual stress in compression, edgewise bending, or flatwise bending (subscripts c, b1, or b2, respectively), F buckli ...
Washington, DC: U.S. National Advisory Committee on Aeronautics. 18 p. Rammer, D.R.; Soltis, L.A. 1994. Experimental shear stren ...
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CHAPTER 10 Adhesives with Wood Materials Bond Formation and Performance Charles R. Frihart, Research Chemist Christopher G. Hunt ...
dipole–dipole forces, and hydrogen bonding, occur so fre- quently that they must be very important for bond strength, especially ...
Chapter 10 Adhesives with Wood Materials: Bond Formation and Performance is much rougher than the dry area, then the machining h ...
combustion of gases and fuel oils can cause serious adhe- sion problems in plywood production. Veneer selected for its attractiv ...
hydroxyl groups of wood. The conversion of hydroxyl groups to acetyl groups results in a lower affinity for water. Room-temperat ...
High-density woods are difficult to bond for several reasons. Because of their thicker cell walls and smaller diameter lu- mens, ...
Chapter 10 Adhesives with Wood Materials: Bond Formation and Performance Table 10–1. Categories of selected wood species accordi ...
shrink and swell as it loses and gains moisture from the air; under typical indoor conditions, wood contains 5% to 12% moisture. ...
the adhesive. Water is the carrier for most wood adhesives, primarily because water readily absorbs into wood, is inex- pensive, ...
increases, adhesion to porous wood generally decreases and bonds become increasingly susceptible to deterioration from swelling ...
Chapter 10 Adhesives with Wood Materials: Bond Formation and Performance Table 10–3. Working and strength properties of adhesive ...
Table 10–3. Working and strength properties of adhesives, with typical usescon. Type Form and color Preparation and application ...
Pressure—Pressure is applied to joints to ensure close con- tact between the parts. Typically, most wood adhesives do not fill g ...
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