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The analysis in this paper utilises results from a longitudinal database with responses from the same 2,956 businesses over a four-year period. Results confirm the association between planning activity and performance that is evident in most extant literature. They do, however, cast doubt on the traditional perception of the causal direction of that(More)
Friction stir welding (FSW) is a powerful joining process which is limited by its range of application and processing rate. Here the range of application is extended to small diameter butted pipe sections and high processing rates are applied for increased productivity in manufacturing. Full penetration friction stir welds are performed on butted sections(More)
ii For my parents and my sister. for guiding this research and serving on my thesis committee. I would also like to thank the Tennessee Space Grant Consortium for providing funding, without which this research would not have been possible. I would like to thank my colleagues at the Vanderbilt University Welding Automation Laboratory, especially Chase Cox(More)
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