The thermal conductivity is higher than copper and second only to diamond, with a thermal expansion that is as small as ceramics, and a specific gravity of less than one-fourth that of copper, achieving a previously unmatched balance in the development of a new material - new graphite-based metal matrix composite materials "ACM-H1" and "ACM-H2".
アドバンスコンポジット 本社 富士事業所
We have developed new materials "ACM-H1" and "ACM-H2," which are metal matrix composites derived from graphite, using our unique technology, molten metal forging (high-pressure casting).
By utilizing our core technology, molten metal forging (high-pressure casting), we have realized a new manufacturing method. This allows us to design physical properties such as thermal conductivity, thermal expansion, and strength according to specific needs. The current lineup of graphite-based composites "ACM-a / -io" had limited physical properties, but this is the first time that physical properties can be designed to meet demands.
The newly developed "ACM-H1 & H2" are metal matrix composites created by combining aluminum and graphite, and no materials with these characteristics have existed before. They significantly contribute to heat dissipation and heat release, and due to their low thermal expansion rate, they can enhance the reliability of products that generate heat from both heat dissipation and low thermal expansion perspectives. Unique features not found in graphite include: (1) an unprecedentedly low thermal expansion rate, (2) excellent high rigidity, (3) thermal conductivity greater than that of copper, enabling the lightweighting of current products using copper (e.g., heat dissipation plates), and (4) being lighter than aluminum.
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