51 research outputs found
MS-150: Battle of Gettysburg 150th Commemoration Collection
This collection contains physical items and documents as well as digital resources. It seeks to preserve the course and experience of the commemoration of the 150th Anniversary of the Battle of Gettysburg and other related historical events. The documents and publications contained within the collection not only record the many commemorative events that were held over a two-year period but also how those events progressed. Detailed coverage in the form of DVDs has been collected of many events, while the outline of many more has been captured through the compilation of their programs and other event information. Much of the official battle reenactment has been recorded in an extensive array of digital photographs, and the guides provided for and used by visitors demonstrate the resources available to assist in choosing which of the dazzling array of events to attend. The collection of artifacts and memorabilia serves as but a sample of the all that was available to the public to obtain from the commemoration, and thus offers a glimpse into how some may themselves remember the Sesquicentennial festivities in years to come.
Special Collections and College Archives Finding Aids are discovery tools used to describe and provide access to our holdings. Finding aids include historical and biographical information about each collection in addition to inventories of their content. More information about our collections can be found on our website http://www.gettysburg.edu/special_collections/collections/.https://cupola.gettysburg.edu/findingaidsall/1128/thumbnail.jp
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High-Performance Corrosion-Resistant Materials: Iron-Based Amorphous-Metal Thermal-Spray Coatings: SAM HPCRM Program ? FY04 Annual Report ? Rev. 0 - DARPA DSO & DOE OCRWM Co-Sponsored Advanced Materials Program
The multi-institutional High Performance Corrosion Resistant Materials (HPCRM) Team is cosponsored by the Defense Advanced Projects Agency (DARPA) Defense Science Office (DSO) and the Department of Energy (DOE) Office of Civilian Radioactive Waste Management (OCRWM), and has developed new corrosion-resistant, iron-based amorphous metals that can be applied as coatings with advanced thermal spray technology. Two compositions have corrosion resistance superior to wrought nickel-based Alloy C-22 (UNS No. N06022) in very aggressive environments, including concentrated calcium-chloride brines at elevated temperature. Corrosion costs the Department of Defense billions of dollars every year, with an immense quantity of material in various structures undergoing corrosion. For example, in addition to fluid and seawater piping, ballast tanks, and propulsions systems, approximately 345 million square feet of structure aboard naval ships and crafts require costly corrosion control measures. The use of advanced corrosion-resistant materials to prevent the continuous degradation of this massive surface area would be extremely beneficial. The Fe-based corrosion-resistant, amorphous-metal coatings under development may prove of importance for applications on ships. Such coatings could be used as an 'integral drip shield' on spent fuel containers, as well as protective coatings that could be applied over welds, thereby preventing exposure to environments that might cause stress corrosion cracking. In the future, such new high-performance iron-based materials could be substituted for more-expensive nickel-based alloys, thereby enabling a reduction in the $58-billion life cycle cost for the long-term storage of the Nation's spent nuclear fuel by tens of percent
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