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Development of a novel machining method utilizing microstructure control of amorphous alloys

Amorphous alloys have a unique atomic structure that differs from those of common metallic materials. Owing to this structure, they exhibit excellent magnetic properties and thus have been attracting attention as an energy-saving material. For example, when it is used as the motor core material, it may reduce energy loss to about one-tenth of that of conventional materials. However, it is also known as a "difficult-to-machine material" because of its high hardness, strength, and toughness.
In this laboratory, we are focusing on the fact that the unique structure of amorphous alloys brings about all kinds of properties. So, we are challenging the development of new machining methods to dramatically improve machinability by controlling the properties of materials through microstructure control. We are clarifying how the microstructure of materials changes and how the microstructural changes affect the improvement of machinability by using experiments, observation, and numerical analysis.

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