Oregon Wine History Project™ Interview Transcript: Susan Sokol Blosser

This document is a transcription of the interview with winemaker Susan Sokol Blosser conducted by Jeff D. Peterson on July 14, 2010 as part of the Oregon Wine History Project™. Susan Sokol Blosser discusses the early days of the Oregon wine industry and gives her personal account of how she came to grow grapes and produce wines in the Willamette Valley. Assisting in the production of this interview were videographers Barrett Dahl and Mark Pederson; exhibit and collections coordinators Barrett Dahl, Sara Juergensen, and Keni Sturgeon (faculty advisor); and project historical researchers Dulce Kersting and Lissa Wadewitz (faculty advisor). The duration of the interview is 47 minutes and 17 seconds

Development of chemical analysis techniques for advanced materials Quarterly progress report, 17 Jan. - 16 Apr. 1968

Laser decomposition, hydroxyl determination, and mass spectrographic studies in magnesium oxide/ graphite/hydroxyl system

Crop Economics for Ohio

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Development of chemical analysis techniques for advanced materials Annual summary report, 17 Jan. 1967 - 16 Jan. 1968

Mass spectroscopy and chemical deposition techniques for determining hydroxyl content in magnesium oxid

Development of chemical analysis techniques for advanced materials Quarterly progress report, 17 Jul. - 16 Oct. 1967

Chemical analysis of hydroxyl in solid magnesium oxide using chemical decomposition and emission and mass spectrographic technique

Thermal-stress-free fasteners for joining orthotropic materials

Hot structures fabricated from orthotropic materials are an attractive design option for future high speed vehicles. Joining subassemblies of these materials with standard cylindrical fasteners can lead to loose joints or highly stressed joints due to thermal stress. A method has been developed to eliminate thermal stresses and maintain a tight joint by shaping the fastener and mating hole. This method allows both materials (fastener and structure), with different coefficients of thermal expansion (CTEs) in each of the three material directions, to expand freely with temperature yet remain in contact. For the assumptions made in the analysis, the joint will remain snug, yet free of thermal stress at any temperature. Finite element analysis was used to verify several thermal-stress-free fasteners and to show that conical fasteners, which are thermal-stress-free for isotropic materials, can reduce thermal stresses for transversely isotropic materials compared to a cylindrical fastener. Equations for thermal-stress-free shapes are presented and typical fastener shapes are shown

Development of chemical analysis techniques for advanced materials Quarterly progress report, Apr. 17 - Jul. 16, 1967

Analysis of impurities in magnesium oxide materials by mass spectrographic, chemical, thermogravimetric, vacuum-fusion furnace, quartz tube graphite crucible furnace technique

Thermal stress in high temperature cylindrical fasteners

Uninsulated structures fabricated from carbon or silicon-based materials, which are allowed to become hot during flight, are attractive for the design of some components of hypersonic vehicles. They have the potential to reduce weight and increase vehicle efficiency. Because of manufacturing contraints, these structures will consist of parts which must be fastened together. The thermal expansion mismatch between conventional metal fasteners and carbon or silicon-based structural materials may make it difficult to design a structural joint which is tight over the operational temperature range without exceeding allowable stress limits. In this study, algebraic, closed-form solutions for calculating the thermal stresses resulting from radial thermal expansion mismatch around a cylindrical fastener are developed. These solutions permit a designer to quickly evaluate many combinations of materials for the fastener and the structure. Using the algebraic equations developed, material properties and joint geometry were varied to determine their effect on thermal stresses. Finite element analyses were used to verify that the closed-form solutions derived give the correct thermal stress distribution around a cylindrical fastener and to investigate the effect of some of the simplifying assumptions made in developing the closed-form solutions for thermal stresses

Theoretical basis for design of thermal-stress-free fasteners

A theoretical basis was developed for the design of fasteners which are free of thermal stress. A fastener can be shaped to eliminate the thermal stress which would otherwise result from differential thermal expansion between dissimilar fastener and sheet materials for many combinations of isotropic and orthotropic materials. The resulting joint remains snug, yet free of thermal stress at any temperature, if the joint is uniform in temperature, if it is frictionless, and if the coefficients of thermal expansion of the materials do not change with temperature. In general, such a fastener has curved sides; however, if both materials have isotropic coefficients of thermal expansion, a conical fastener is free of thermal stress. Equations are presented for thermal stress free shapes at both initial and final temperature, and typical fastener shapes are shown

Determination of hydroxyl content in impure magnesium oxide

Three-step thermal process quantitatively determines the hydroxyl content in samples of magnesium oxide. Analytical method can be adapted to large-scale production of hydroxyl-free magnesium oxide