September 10, 2025MetalsOpen Access

Fabrication, Microstructure, and High-Temperature Mechanical Properties of a Novel Al-Si-Mg Based Composite Reinforced with Cu-Mn Binary Phase and Submicron Dispersoid

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The composite exhibited a yield strength of 287 MPa and tensile strength of 306 MPa at room temperature, supporting its durability.
At high temperatures, the composite maintained a yield strength of 277 MPa up to 250 °C, indicating stability under thermal stress.
Analysis of microstructure confirmed the presence of micron-sized Cu-Mn phases and submicron-sized dispersoids, contributing to mechanical enhancements.
Fatigue limit of 140 MPa at 130 °C was achieved, which is approximately 2.3 times higher than the commercial A319 alloy, showcasing superior performance.

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Implication

This research demonstrates improved high-temperature fatigue properties in an Al-Si-Mg composite reinforced with Cu-Mn phases, highlighting enhanced mechanical strengths.

Cite This Study

Kim et al. (2025) studied this question.

synapsesocial.com/papers/68c243acb210217d647a89b3 https://doi.org/10.3390/met15090958

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Implication

This research demonstrates improved high-temperature fatigue properties in an Al-Si-Mg composite reinforced with Cu-Mn phases, highlighting enhanced mechanical strengths.

Fabrication, Microstructure, and High-Temperature Mechanical Properties of a Novel Al-Si-Mg Based Composite Reinforced with Cu-Mn Binary Phase and Submicron Dispersoid

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Discussion

Implication

Cite This Study

Fabrication, Microstructure, and High-Temperature Mechanical Properties of a Novel Al-Si-Mg Based Composite Reinforced with Cu-Mn Binary Phase and Submicron Dispersoid

Key Points

Discussion

Implication

Cite This Study