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10.3390/ma16237394
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Article

Exploring Microstructure, Wear Resistance, and Electrochemical Properties of AlSi10Mg Alloy Fabricated Using Spark Plasma Sintering

by
Guangfei Rong
,
Wenjie Xin
,
Minxu Zhou
,
Tengfei Ma
*,
Xiaohong Wang
and
Xiaoying Jiang
*
Key Laboratory of Air-Driven Equipment Technology of Zhejiang Province, Quzhou University, Quzhou 324000, China
*
Authors to whom correspondence should be addressed.
Materials 2023, 16(23), 7394; https://doi.org/10.3390/ma16237394
Submission received: 17 October 2023 / Revised: 15 November 2023 / Accepted: 23 November 2023 / Published: 28 November 2023
(This article belongs to the Special Issue Corrosion, Fatigue and Corrosion Protection of Metals and Their Alloys in Various Environments)
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Abstract

Al-Si-Mg alloy has excellent casting performance due to its high silicon content, but the coarse eutectic silicon phase can lead to a decrease in its mechanical properties. Samples of AlSi10Mg alloy were prepared by using a spark plasma sintering method, and it was found that sintering temperature has a significant impact on the grain size, eutectic silicon size and wear and corrosion properties after heat treatment. At a sintering temperature of 525 °C, the alloy exhibits the best wear performance with an average friction coefficient of 0.29. This is attributed to the uniform precipitation of fine eutectic silicon phases, significantly improving wear resistance and establishing adhesive wear as the wear mechanism of AlSi10Mg alloy at room temperature. The electrochemical performance of AlSi10Mg sintered at 500 °C is the best, with Icorr and Ecorr being 1.33 × 10−6 A·cm−2 and −0.57 V, respectively. This is attributed to the refinement of grain size and eutectic silicon size, as well as the appropriate Si volume fraction. Therefore, optimizing the sintering temperature can effectively improve the performance of AlSi10Mg alloy.
Keywords: SPS; aluminum alloy; microstructural evolution; wear property; electrochemical property SPS; aluminum alloy; microstructural evolution; wear property; electrochemical property

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MDPI and ACS Style

Rong, G.; Xin, W.; Zhou, M.; Ma, T.; Wang, X.; Jiang, X. Exploring Microstructure, Wear Resistance, and Electrochemical Properties of AlSi10Mg Alloy Fabricated Using Spark Plasma Sintering. Materials 2023, 16, 7394. https://doi.org/10.3390/ma16237394

AMA Style

Rong G, Xin W, Zhou M, Ma T, Wang X, Jiang X. Exploring Microstructure, Wear Resistance, and Electrochemical Properties of AlSi10Mg Alloy Fabricated Using Spark Plasma Sintering. Materials. 2023; 16(23):7394. https://doi.org/10.3390/ma16237394

Chicago/Turabian Style

Rong, Guangfei, Wenjie Xin, Minxu Zhou, Tengfei Ma, Xiaohong Wang, and Xiaoying Jiang. 2023. "Exploring Microstructure, Wear Resistance, and Electrochemical Properties of AlSi10Mg Alloy Fabricated Using Spark Plasma Sintering" Materials 16, no. 23: 7394. https://doi.org/10.3390/ma16237394

APA Style

Rong, G., Xin, W., Zhou, M., Ma, T., Wang, X., & Jiang, X. (2023). Exploring Microstructure, Wear Resistance, and Electrochemical Properties of AlSi10Mg Alloy Fabricated Using Spark Plasma Sintering. Materials, 16(23), 7394. https://doi.org/10.3390/ma16237394

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