Abstract
This study investigates the influence of scan rotation and remelting on the microstructure and corrosion performance of Ti-10Cu alloy fabricated via selective laser melting (SLM). By analyzing the interplay between processing parameters and material properties, the work provides key insights for optimizing SLM-produced Ti-Cu alloys for improved functionality. Our work demonstrates that combining simultaneous remelting with reduced scan rotation yielded a homogenous microstructure with lower stress, surpassing the benefits of copper alone. This optimized configuration led to the highest polarization resistance (9 MΩ cm²) and thickest passive layer after simulated body fluid immersion, showcasing the synergism between process control and alloying for enhanced corrosion resistance. This opens doors for tailoring SLM-produced Ti-10Cu for demanding biomedical and marine applications.
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