August 1, 2025AIP AdvancesOpen Access

Effects of Si and Mn contents on grain refinement microstructure and properties of Al–Cu alloys fabricated by powder metallurgy

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QYQingfeng YangNorthwestern Polytechnical University ZDZhenghua DengChongqing Three Gorges University BLBo LiChongqing Three Gorges University

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Implication

Experimental analysis revealed Si and Mn notably improved hardness and relative density in Al-Cu alloys, suggesting enhancements in mechanical properties.

Key Points

Incorporating Si significantly enhanced the hardness and relative density of Al-Cu alloys, with 1 wt. % Si showing optimal results.
The addition of Mn resulted in the formation of Al6Mn, strengthening the alloy while enhancing tensile strength and microstructure refinement.
Analyzed using powder metallurgy, this study assessed microstructure evolution under varying Si and Mn contents in Al-Cu alloys.
Excess Si or Mn adversely affects toughness, indicating a balance is vital for maintaining optimal material properties.

Cite This Study

Yang et al. (2025) studied this question.

synapsesocial.com/papers/68af55dead7bf08b1eadcb3a https://doi.org/10.1063/5.0278475

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Implication

Experimental analysis revealed Si and Mn notably improved hardness and relative density in Al-Cu alloys, suggesting enhancements in mechanical properties.

Effects of Si and Mn contents on grain refinement microstructure and properties of Al–Cu alloys fabricated by powder metallurgy

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Key Points

Cite This Study

Effects of Si and Mn contents on grain refinement microstructure and properties of Al–Cu alloys fabricated by powder metallurgy

Discussion

Member takes

Implication

Key Points

Cite This Study

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