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Dr. Ji Ma
Assistant Professor at Univ of Virginia
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Publications (4)
Proceedings Article | 11 April 2024 Presentation
Why do grains suddenly appear: misorientation accumulation and epitaxy loss in laser powder bed fusion additive manufacturing
Proceedings Volume PC12939, PC1293904 (2024) https://doi.org/10.1117/12.3012912
KEYWORDS: Epitaxy, Additive manufacturing, Laser welding, Solids, Plastics, Deformation, Crystals, Superposition, Stainless steel, Laser crystals
Proceedings Article | 22 March 2021 Presentation + Paper
Printability characterization of graphene-reinforced cementitious composites
Proceedings Volume 11589, 1158904 (2021) https://doi.org/10.1117/12.2585595
KEYWORDS: Cements, Composites, Printing, 3D printing, Scanning electron microscopy, Nanomaterials, Additive manufacturing, Raman spectroscopy, Optical microscopy, Manufacturing
Proceedings Article | 22 March 2021 Presentation + Paper
Rheological and buildability characterization of PVA fiber-reinforced cementitious composites for additive construction
Proceedings Volume 11589, 115890F (2021) https://doi.org/10.1117/12.2588770
KEYWORDS: Cements, Composites, Fiber characterization, Additive manufacturing, Structured optical fibers, Silica, Printing, 3D printing
Proceedings Article | 2 April 2008 Paper
Low-cycle superelastic response of a titanium-niobium shape memory alloy
Ji Ma, Ibrahim Karaman, Hans Maier
Proceedings Volume 6929, 692914 (2008) https://doi.org/10.1117/12.776577
KEYWORDS: Shape memory alloys, Heat treatments, Transmission electron microscopy, Diffraction, Nickel, Ions, Niobium, Mechanical engineering, Materials science, Surgery
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