Browsing by Subject "binder jetting based additive manufacturinng"

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Study of Printing Parameters in Binder Jet Additive Manufacturing of Cobalt Chrome - Tricalcium Phosphate Biocomposite
(University of Texas at Austin, 2021) Ruprecht, John; Agarwal, Kuldeep
Traditional metals such as stainless steel, titanium and cobalt chrome are used in biomedical applications (implants, scaffolds etc.) but suffer from issues such as osseointegration and compatibility with existing bone. One way to improve traditional biomaterials is to incorporate ceramics with these metals so that their mechanical properties can be similar to cortical bones. Tricalcium phosphate is such a ceramic with properties so that it can be used in human body. This research explores the use of binder jetting based additive manufacturing process to create a novel biocomposite made of cobalt chrome and tricalcium phosphate. Experiments were conducted and processing parameters were varied to study their effect on the printing of this biocomposite. Layer thickness, binder saturation and drying time affected the surface finish, dimensional tolerance and the density of the green samples. This effect is important to understand so that the material can be optimized for use in specific applications.