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Creator:: Gallops, Sarah
Abstract:: Toughened ceramics, or bridging ceramics, are being developed in an attempt to widen the application base of traditional ceramics, which are brittle and have low resistance to crack extension. The crack growth resistance of these extrinsically toughened ceramics has been shown to increase with crack length, and unlike traditional ceramics,...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Sarah Gallops for the degree of Doctor of Philosophy in Material Science presented on July

Creator:: Gallop, Reginald Ambrose
Abstract:: Large amounts of plant tissue are used in the production of many canned, frozen and dried foods. Some of this material is unsatisfactory in appearance and texture, despite careful processing from high quality raw materials. In the present study, the changes induced in soft fruits by controlled heating and freezing...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Reginald Ambrose Gallop for the

Creator:: Patterson, Eric Andrew
Abstract:: Much recent research has focused on the development lead-free perovskite piezoelectrics as environmentally compatible alternatives to lead zirconate titanate (PZT). Two main categories of lead free perovskite piezoelectric ceramic systems were investigated as potential replacements to lead zirconate titanate (PZT) for actuator devices. First, solid solutions based on Li, Ta,...
Resource Type:: Dissertation
Full Text:: have been wonderful in making Corvallis feel like home. Sarah Gallops, thanks for the Southern Cookin

Creator:: Greene, Rawley Brandon
Abstract:: Because of its attractive material properties like high hardness, high toughness, and excellent high temperature strength, materials like silicon nitride are becoming more common for use in high performance applications. However, there have been limited studies of the fatigue behavior of small cracks in silicon nitride and other materials toughened...
Resource Type:: Dissertation
Full Text:: facilities. Sarah Gallops for starting out on this journey together and helping each other through with

Creator:: Groner, Michael
Abstract:: The purpose of this research was to determine the extent to which parents and professionals were in agreement prior to and following intervention regarding their Judgement of the gross motor abilities of the parents' preschool children. Each child was tested by a professional on the Ulrich Test of Gross Motor...
Resource Type:: Dissertation

Creator:: Mirzaei, Babak
Abstract:: The advent of synthetic adhesives has transformed the structural applications of wood. However, a persistent issue in adhesively-bonded wood products has been moisture durability. When designing wood based composites, moisture durability will depend on both the wood phase and the adhesive phase. A key question, therefore, is how does one...
Resource Type:: Dissertation
Full Text:: systems can be defined, i.e., TL, RL, LR, TR, RT and LT (Smith & S. Vasic, 2003). The first letter

Creator:: Baek, Yoon Su
Abstract:: This thesis presents a model of legged locomotion in which position and velocity of body are directly controlled by positions and velocities of feet. One central relationship between foot acceleration, leg stroke and body velocity is developed. Procedures for determining all parameters of a step sequence including periods of constant...
Resource Type:: Dissertation
Full Text:: 3.2) hB body height from ground (Section 3.1) hF(s); hF,j(s) trajectory of foot in one step

Creator:: Jeon, Yu Hong
Abstract:: Piezoelectric materials have been widely used in electromechanical actuators, sensors, and ultrasonic transducers. Among these materials, lead zirconate titanate Pb(Zr[subscript 1‐x]Ti[subscript x])O₃ (PZT) has been primarily investigated due to its excellent piezoelectric properties. However, environmental concerns due to the toxicity of PbO have led to investigations into alternative materials systems....
Resource Type:: Dissertation
Full Text::  members and friends in Corvallis and Korea.  Especially thanks to Jon Mueller, Sarah Gallops, Seungwha

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