Index Catalog // ScholarsArchive@OSU

Defining Project‐Specific Custom CLT Grade Utilizing Low‐Value Ponderosa Pine Lumber from Logs Harvested in SW Oregon and Northern California Forest Restoration Programs

Creator:: Jahedi, Sina
Abstract:: Restoration programs effectively prevent or mitigate wildfires and pest outbreaks in the forest lands. The most common approach is to selectively harvest smaller and dead trees in order to preserve larger and superior trees. Ponderosa pine, Pinus ponderosa, (PP) lumber is one of the common species harvested from restoration programs...
Resource Type:: Dissertation
Full Text:: to thank my committee members Dr. John Nairn, Dr. Gerald Presley, and Dr. Kyle Niemeyer who

Crack Penetration and Deflection Behavior at Interfaces

Creator:: Alam, Mahabub
Abstract:: This study computationally and experimentally examines the mechanisms of crack penetration, deflection and the transition between penetration and deflection. The finite element analysis based computational modeling work used strength-and-energy based cohesive-zone approach to study the effect of dimensionless parameters (e.g., interfacial incident angle, fracture-length scale, and normalized toughness) on penetration/deflection...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ John P. Parmigiani This study computationally and experimentally examines the mechanisms

Investigation of Styrene-Free Unsaturated Polyester Resins for Fiber-Reinforced Composites

Creator:: Wu, Yili
Abstract:: Most of existing commercial unsaturated polyester (UPE) resins are typically composed of a UPE and a high amount of highly volatile, flammable, and toxic styrene. The emission of hazardous styrene in the handling of the UPE resins and the preparation and use of fiber-reinforced UPE composites poses severe hazards to...
Resource Type:: Dissertation
Full Text:: . John Nairn, Dr. Chih- hung Chang, and Dr. Matthew Powers, for their time in attending my preliminary

Bioactive glass filled resin composites : mechanical properties and resistance to secondary tooth decay

Creator:: Khvostenko, Dmytro
Abstract:: Dental resin composites are widely used in modern dentistry due to their aesthetic appearance. However, resin based restorations have inferior mechanical properties (fracture is the second reason for restorations replacement) in comparison to alloy based composites and their antimicrobial properties still remain poor, leading to secondary tooth decay development on...
Resource Type:: Dissertation
Full Text:: (OHSU), Prof. John Mitchell (Midwestern University). I am very grateful to my parents, siblings and

Developing a Methodology to Study the Effects of Adhesive Flow Penetration on Wood Adhesive Bond Performance by using Micro X-ray Computed Tomography (XCT) and Digital Volume Correlation (DVC)

Creator:: Ching, Daniel Jackson
Abstract:: Wood composites are an important renewable structural material which can be a net carbon sink when used in combination with sustainable forest management practices and high rates of log utilization. Adhesive bondlines are an essential part of composites, and for wood composites, they determine the moisture durability and mechanical performance...
Resource Type:: Dissertation
Full Text:: McKinley John Nairn Jesse Paris Sinisa Todorovic Daniel Way Xianghui Xiao Michaela Zauner

Characterization of load transfer in wood-based composites

Creator:: Schwarzkopf, Matthew John
Abstract:: The mechanical performance of composite materials is determined by the mechanical properties of their individual components and the effective load transfer between these components. Binders are commonly used to bond composite components together and to provide effective load transfer between them. In wood-based composites the binder-component load transfer occurs at...
Resource Type:: Dissertation
Full Text:: following people: Dr. Lech Muszyński Dr. John Nairn Dr. Jesse Paris Dr. Fred Kamke Dr. Skip

Wood-adhesive bondline analyses with micro x-ray computed tomography

Creator:: Paris, Jesse Loren
Abstract:: There is no doubt that adhesive penetration plays an important role in wood bondline joint performance and durability; yet, to date there is no direct experimental evidence linking penetration depth with bond performance. This is, in part, because adhesive penetration is commonly assessed with various 2D microscopy techniques that are...
Resource Type:: Dissertation

Development and evaluation of novel coupling agents for kenaf-fiber-reinforced unsaturated polyester composites

Creator:: Ren, Xiaofeng
Abstract:: Natural fibers are gaining popularity as reinforcement materials for thermoset resins over the last two decades. Natural fibers are inexpensive, abundant, renewable and environmentally friendly. Kenaf fibers are one of the natural fibers that can potentially be used for reinforcing unsaturated polyester (UPE). As a polymer matrix, UPE enjoys a...
Resource Type:: Dissertation
Full Text:: for my whole lifetime. I would like to thank Dr. Joseph Karchesy, Dr. John Nairn, Dr. Willie E. Skip

Analysis and design on low-power multi-Gb/s serial links

Creator:: Hu, Kangmin
Abstract:: High speed serial links are critical components for addressing the growing demand for I/O bandwidth in next-generation computing applications, such as many-core systems, backplane and optical data communications. Due to continued process scaling and circuit innovations, today's CMOS serial link transceivers can achieve tens of Gb/s per pin. However, most...
Resource Type:: Dissertation
Full Text:: my doctoral committee and being readers for this dissertation. I am indebted to Professor John

DNA based artificial nanostructures : directed assembly of cellulose nanocrystals into advanced nanomaterials

Creator:: Mangalam, Anand Paul
Abstract:: The fabrication of nano-scale devices is a challenging, but potentially important, technology that has drawn a great deal of interest among researchers. Such nanoscale constructions utilizing a bottom-up approach for device building have many foreseeable applications in areas as diverse as miniaturized electronics, sensors, and biomedical devices. One of the...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ John Simonsen The fabrication of nano-scale devices is a challenging, but potentially

ScholarsArchive@OSU

Defining Project‐Specific Custom CLT Grade Utilizing Low‐Value Ponderosa Pine Lumber from Logs Harvested in SW Oregon and Northern California Forest Restoration Programs

Crack Penetration and Deflection Behavior at Interfaces

Investigation of Styrene-Free Unsaturated Polyester Resins for Fiber-Reinforced Composites

Bioactive glass filled resin composites : mechanical properties and resistance to secondary tooth decay

Developing a Methodology to Study the Effects of Adhesive Flow Penetration on Wood Adhesive Bond Performance by using Micro X-ray Computed Tomography (XCT) and Digital Volume Correlation (DVC)

Characterization of load transfer in wood-based composites

Wood-adhesive bondline analyses with micro x-ray computed tomography

Development and evaluation of novel coupling agents for kenaf-fiber-reinforced unsaturated polyester composites

Analysis and design on low-power multi-Gb/s serial links

DNA based artificial nanostructures : directed assembly of cellulose nanocrystals into advanced nanomaterials

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