Graduate Thesis Or Dissertation
 

A Techno-Economic Assessment Methodology for Advanced Additive and Joining Processes

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/37720g064

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  • Integrated manufacturing systems, a combination of subtractive, additive, and joining processes, provide a competitive advantage for manufacturing organizations. As product designs become more complex and capital more scarce, an ideal combination of advanced manufacturing technologies (e.g., powder bed fusion or friction welding), in tandem with traditional subtractive manufacturing systems, can optimize the production of high-value products. However, adoption of advanced additive and joining processes (AAJPs) on a large-scale has been obstructed by technical and economic barriers. Techno-economic analysis is a tool that can help justify the large-scale implementation of integrated manufacturing systems, and realization of potential cost and performance efficiencies. Consequently, a methodology has been developed to understand the impacts of competing manufacturing decisions for AAJPs. The approach has been further developed and applied to a case study for aerospace applications. Major contributions include development of integrated process selection algorithms and cost analysis models. Results demonstrate the feasibility of this strategy to evaluate competing advanced manufacturing technologies.
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