Muroran Inst. Technology : Manufacturing method of aluminum borate whiskers : MU24-001
Easily produce materials that are useful as reinforcing agents for metals, etc.
Aluminum borate whiskers have excellent mechanical strength and heat resistance, and are mainly used as reinforcing materials for metal materials. For example, a flux method using a melting agent is used as a manufacturing method. However, at the end of the manufacturing process, it is necessary to separate the melting agent from the whisker, which requires time and effort. The present invention solves the problems of the conventional method by constructing a reaction process using a liquid solvent, and demonstrates the simple and large-scale production of aluminum borate whiskers. More specifically, the process involves dissolving metallic aluminum in alcohol by adding halide ions and adjusting the pH, mixing the boron compound with water, and calcining the precipitated precipitate by adjusting the pH. The aluminum borate whiskers produced in this way have a high affinity for light metals such as aluminum and magnesium, and are expected to be used in automobile engine parts and semiconductor manufacturing.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): 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, and Showa Medical University.
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