China's Institute of Metal Research Develops High-Temperature Aluminum Composite Materials

GateNews
According to the Chinese Academy of Sciences' Shenyang National Materials Science Research Center, researchers recently developed multi-level Al3Ti/Al composite materials with superior high-temperature strength and elastic modulus. The team proposed a defect-promoted Ti2AlC (MAX phase) decomposition mechanism to overcome the kinetic barriers in surface diffusion-controlled reactions, solving the contradiction between reinforcement phase size and volume fraction. Current aluminum-based composites in aerospace applications are limited to operating temperatures below 300°C due to interface degradation and matrix softening at higher temperatures.
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