Tohoku Univ. Technology ：Metal powder fluidity evaluation system：T25-072
We provide metal powders ideal for PBF-type metal additive manufacturing.
It is desired to develop the optimum metal powder for the metal additive manufacturing of the powder bed system. Especially, it is known that the fluidity of metal powder is an important parameter which affects the quality of the final molded product. For the optimization, it is important to design an appropriate evaluation method. Conventionally, the shape of each powder particle (Circularity, Sphericity), particle size distribution, angle of repose, etc. were evaluated, but they were not sufficient for practical use. The present invention was completed as a result of further research focusing not only on the characteristics of individual powder particles but also on the behavior of the entire powder bed. The fluidity can be evaluated more effectively than before by quantitatively analyzing the electrical characteristics and dynamic behavior. This is expected to provide a new guideline for the development of metal powders suitable for powder beds. In addition, it is expected to have a ripple effect on powder recycling and control of powder bed equipment.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of April 1, 2026): - Tohoku University - Hirosaki University - Iwate University - Akita University - Fukushima University - Yamagata University - Tohoku Gakuin University - Iwate Medical University - Fukushima Medical University - Aizu University - Miyagi University - Hokkaido University - Muroran Institute of Technology - Showa Medical University - Asahikawa Medical University
