Index Catalog // ScholarsArchive@OSU

Strain distribution and load transfer in the polymer-wood particle bond in wood plastic composites

Creator:: Schwarzkopf, Matthew and Muszynski, Lech
Abstract:: The load transfer between wood particles and the matrix was analyzed by observation of the strain patterns in thin films of high density polyethylene (HDPE) with embedded wood particles subjected to tensile loading. Optical measurement techniques based on the digital image correlation (DIC) principle were employed for quantitative measurement of...
Resource Type:: Article
Full Text:: de Gruyter GmbH Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse

Postpeak residual capacity of nailed connections of a shear wall

Creator:: Sinha, Arijit
Abstract:: To quantify the postpeak residual capacity and to gain insights into the load transfer mechanism of a shear wall, nail connection tests were performed on salvaged connections after a monotonic shear wall test loaded up to peak load. Experimental results reveal that there is a loss of strength in most...
Resource Type:: Article
Full Text:: . Holzforschung, 68(8), 987-992. doi:10.1515/hf-2013-0195 10.1515/hf-2013-0195 Walter de Gruyter GmbH Version

Detecting Differential Gene Expression in Subgroups of a Disease Population

Creator:: Emerson, Sarah C. and Emerson, Scott S.
Abstract:: In many disease settings, it is likely that only a subset of the disease population will exhibit certain genetic or phenotypic differences from the healthy population. Therefore, when seeking to identify genes or other explanatory factors that might be related to the disease state, we might expect a mixture distribution...
Resource Type:: Article

Kinetic Prefactors of Reactions on Solid Surfaces

Creator:: Campbell, Charles T., Árnadóttir, Liney, and Sellers, Jason R. V.
Abstract:: Adsorbed molecules are involved in many reactions on solid surfaces that are of great technological importance. As such, there has been tremendous effort worldwide to learn how to theoretically predict rates for reactions involving adsorbed molecules. Theoretical calculations of rate constants require knowing both their activation energy and prefactor. Recent...
Resource Type:: Article
Full Text:: :10.1524/zpch.2013.0395 10.1524/zpch.2013.0395 Walter de Gruyter GmbH Version of Record http

Situating senior women in the literacy landscape of North Africa

Creator:: Rice, Laura and Hamdy, Karim
Abstract:: Although literacy programs in North African countries vary in method, management approach, and in content emphasis, their discourse is strikingly similar: It focuses too often on learners' deficits and considers the condition of these “illiterate” subjects, i.e. persons lacking the 3Rs, as a “disease” against which a war of eradication...
Resource Type:: Article
Full Text:: (190), 27-47. doi:10.1515/IJSL.2008.011 10.1515/IJSL.2008.011 Walter de Gruyter Version of Record

Thermal degradation of bending properties of structural wood and wood-based composites

Creator:: Sinha, Arijit, Gupta, Rakesh, and Nairn, John A.
Abstract:: Wood and wood-based composites are being used extensively in single-family residential dwellings. Therefore, it is important to categorize their response when exposed to elevated temperatures for a sustained period of time. In fire-resistant design for wood structures, the main goal is to ensure that enough structural integrity is maintained, during...
Resource Type:: Article
Full Text:: and wood-based composites Holzforschung, Vol. 65, pp. 221–229, 2011 • Copyright � by Walter de

A numerical study of the transverse modulus of wood as a function of grain orientation and properties

Creator:: Nairn, John A.
Abstract:: Finite element analysis was used to study the effective transverse modulus of solid wood for all possible end-grain patterns. The calculations accounted for cylindrical anisotropy of wood within rectangular specimens and explicitly modeled wood as a composite of earlywood and latewood. The effective modulus was significantly reduced by growth ring...
Resource Type:: Article
Full Text:: • Copyright � by Walter de Gruyter • Berlin • New York. DOI 10.1515/HF.2007.079 Article in press

Characterizing perpendicular-to-grain compression (C-perpendicular to) behavior in wood construction

Creator:: Basta, Craig Thomas, Gupta, Rakesh, Leichti, Robert J., and Sinha, Arijit
Abstract:: Current compression perpendicular-to-grain (C-perpendicular to) design values for wood members are based on mean stress obtained from ASTM D143 specimen. The standard ASTM test with metal on wood bearing has limited applicability in modern construction assemblies with C-perpendicular to loading scenarios. Previous work has shown that end-bearing conditions and wood-on-wood...
Resource Type:: Article
Full Text:: � by Walter de Gruyter • Berlin • Boston. DOI 10.1515/HF.2011.104 2010/233 Article in press

Determination of local material properties of OSB sample by coupling advanced imaging techniques and morphology-based FEM simulation

Creator:: Sebera, Vaclav and Muszynski, Lech
Abstract:: The goal was to determine local mechanical properties inside of oriented strand board (OSB) based on a realistic morphology-based finite element (FE) model and data acquired from a physical test performed on the same material. The spatial information and local grayscale intensity from CT-scans obtained from small OSB sample was...
Resource Type:: Article
Full Text:: � by Walter de Gruyter • Berlin • Boston. DOI 10.1515/HF.2011.110 2010/258 Article in press

Effect of grain angle on shear strength of Douglas-fir wood

Creator:: Gupta, Rakesh and Sinha, Arijit
Abstract:: The effect of grain angle (GA) on shear strength of Douglas-fir has been evaluated. Shear block specimens with a GA varying from 0 to 90° was loaded in the shear plane, resulting in failure mode transitioning from parallel to grain shear to rolling shear. As expected, shear strength decreased as...
Resource Type:: Article

Antioxidant activity of fractions from Quercus sideroxyla bark and identifi cation of proanthocyanidins by HPLC-DAD and HPLC-MS

Creator:: Rosales-Castro, Martha, Gonzalez-Laredo, Ruben Francisco, Rocha-Guzman, Nuria Elizabeth, Gallegos-Infante, Jose Alberto, Rivas-Arreola, Maria Jose, and Karchesy, Joseph J.
Abstract:: The most active phenolics in Quercus sideroxyla Humb. & Bonpl. residual bark were identified and evaluated following a chromatographic fractionation. Bark powder was defatted with hexane and crude extract (CE) was obtained by extraction with aqueous acetone (70%). A liquid partition with ethyl acetate was performed to produce an organic...
Resource Type:: Article
Full Text:: • Copyright © by Walter de Gruyter • Berlin • Boston. DOI 10.1515/hf-2011-0157 Antioxidant activity of

A new soy flour-polyepoxide adhesive system for making interior plywood

Creator:: Huang, Jian, Li, Chunhong, and Li, Kaichang
Abstract:: In this study, triglycidylamine (TGA) was synthesized and evaluated as a crosslinking agent for soy flour (SF) for making five-ply plywood from yellow poplar. Glycerol polyglycidyl ether (GPE) and trimethylolpropane triglycidyl ether (TTE) were also investigated as crosslinking agents for SF as adhesive for plywood. The plywood panels bonded with...
Resource Type:: Article

Revisiting the neutral axis in wood beams

Creator:: Davis, Philip M., Gupta, Rakesh, and Sinha, Arijit
Abstract:: For wood beams, it is often assumed that the neutral axis (NA) is located at the centroid of the beam. This would be the case for isotropic and homogeneous materials but these prerequisites are not valid for wood. The varying grain patterns and knots located throughout wood make wood anisotropic...
Resource Type:: Article

ScholarsArchive@OSU

Strain distribution and load transfer in the polymer-wood particle bond in wood plastic composites

Postpeak residual capacity of nailed connections of a shear wall

Detecting Differential Gene Expression in Subgroups of a Disease Population

Kinetic Prefactors of Reactions on Solid Surfaces

Situating senior women in the literacy landscape of North Africa

Thermal degradation of bending properties of structural wood and wood-based composites

A numerical study of the transverse modulus of wood as a function of grain orientation and properties

Characterizing perpendicular-to-grain compression (C-perpendicular to) behavior in wood construction

Determination of local material properties of OSB sample by coupling advanced imaging techniques and morphology-based FEM simulation

Effect of grain angle on shear strength of Douglas-fir wood

Antioxidant activity of fractions from Quercus sideroxyla bark and identifi cation of proanthocyanidins by HPLC-DAD and HPLC-MS

A new soy flour-polyepoxide adhesive system for making interior plywood

Revisiting the neutral axis in wood beams

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