Browsing by Subject "material characteristics"
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Item Material Characterization for Lightweight Thin Wall Structures Using Laser Powder Bed Fusion Additive Manufacturing(2018) Dobson, Sean; Wu, Yan; Yang, LiIn this study the geometry-process-material characteristics of the Ti6Al4V thin wall features fabricated by the EOS M270 laser melting powder bed fusion (LM-PBF) additive manufacturing (AM) was investigated. Samples with varying wall thickness, orientation, scanning speeds and laser power were fabricated and analyzed. The dimensional accuracies, microstructural characteristics and mechanical properties of the samples were evaluated experimentally. The results clearly indicated the significant coupling effects between the geometry design of these thin wall features and their material properties, which is critical to the design and manufacturing of many AM lightweight structures. By identifying significant design and process parameters for the thin wall structures, this study will enable further investigations of the integrated design theories for the AM lightweight structures.