Hierarchical reinforcement strategy enables aluminum matrix composites with uncompromised high-temperature mechanical properties

Key Points

• This research aims to explore the benefits of a hierarchical reinforcement strategy for aluminum matrix composites at elevated temperatures.
• Characterization of mechanical properties including ultimate tensile strength and Young's modulus.
• Comparison of composite properties against traditional materials like titanium and steel.
• Ultimate tensile strength of 632 MPa at room temperature and 246 MPa at 350 °C.
• Young's modulus measured at 124 GPa at room temperature and 106 GPa at 350 °C.
• Composite's specific modulus surpasses titanium, copper, steel, and nickel by notable percentages.