Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting

Pei Wang; Yang Lei; Jun Fang Qi; Si-Jie Yu; Rossitza Setchi; Ming Wei Wu; Jürgen Eckert; Hai Chao Li; Sergio Scudino

doi:10.3390/ma14227048

Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting

Pei Wang
, Yang Lei
, Jun Fang Qi
, Si-Jie Yu
, Rossitza Setchi
, Ming Wei Wu
, Jürgen Eckert
, Hai Chao Li
, Sergio Scudino

Lehrstuhl für Materialphysik (430)

Shenzhen University
IFW Dresden
Cardiff University
National Taipei University of Technology
Erich-Schmid-Institut für Materialwissenschaft der Österreichischen Akademie der Wissenschaften
Shanghai University of Engineering Science

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Begutachtung

Abstract

In this study, the wear behavior of a heat-treatable Al-7Si-0.5Mg-0.5Cu alloy fabricated by selective laser melting was investigated systematically. Compared with the commercial homogenized AA2024 alloy, the fine secondary phase of the SLM Al-Cu-Mg-Si alloy leads to a low specific wear rate (1.8 ± 0.11 × 10−4 mm3(Nm)−1) and a low average coefficient of friction (0.40 ± 0.01). After the T6 heat treatment, the SLM Al-Cu-Mg-Si alloy exhibits a lower specific wear rate (1.48 ± 0.02 × 10−4 mm3(Nm)−1), but a similar average coefficient of friction (0.34 ± 0.01) as the heat-treated AA2024 alloy. Altogether, the SLM Al-3.5Cu-1.5Mg-1Si alloy is suitable for the achievement of not only superior mechanical performance, but also improved tribological properties.

Originalsprache	Englisch
Aufsatznummer	7048
Seitenumfang	11
Fachzeitschrift	Materials
Jahrgang	14.2021
Ausgabenummer	22
DOIs	https://doi.org/10.3390/ma14227048
Publikationsstatus	Veröffentlicht - 1 Nov. 2021

Bibliographische Notiz

Funding Information:
Funding: This work was supported by the National Natural Science Foundation of China (NSFC, No. 52105385 and No. 51971149), the Guangdong Basic and Applied Basic Research Foundation (2020A1515110869), Shenzhen International Cooperation Research (GJHZ20190822095418365), and the Natural Science Foundation of SZU (Grant No. 2019040). Additional support was provided by the European Regional Development Fund (ASTRA6-6), and the ASTUTE programme on Advanced and Sustainable Manufacturing Technologies funded by the European Union through the Welsh European Funding Office and Science and Technology Innovation Commission of Shenzhen (No. KQJSCX20180328095612712). J. Eckert is grateful for the support from the Ministry of Science and Higher Education of the Russian Federation in the framework of the Increase Competitiveness Program of MISiS (Support project for young research engineers, project no. K2-2020-046). This work was also supported by the National Taipei University of Technology-Shenzhen University Joint Research Program (project number NTUT-SZU-108-11).

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

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title = "Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting",

abstract = "In this study, the wear behavior of a heat-treatable Al-7Si-0.5Mg-0.5Cu alloy fabricated by selective laser melting was investigated systematically. Compared with the commercial homogenized AA2024 alloy, the fine secondary phase of the SLM Al-Cu-Mg-Si alloy leads to a low specific wear rate (1.8 ± 0.11 × 10−4 mm3(Nm)−1) and a low average coefficient of friction (0.40 ± 0.01). After the T6 heat treatment, the SLM Al-Cu-Mg-Si alloy exhibits a lower specific wear rate (1.48 ± 0.02 × 10−4 mm3(Nm)−1), but a similar average coefficient of friction (0.34 ± 0.01) as the heat-treated AA2024 alloy. Altogether, the SLM Al-3.5Cu-1.5Mg-1Si alloy is suitable for the achievement of not only superior mechanical performance, but also improved tribological properties.",

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AU - Wang, Pei

AU - Lei, Yang

AU - Qi, Jun Fang

AU - Yu, Si-Jie

AU - Setchi, Rossitza

AU - Wu, Ming Wei

AU - Eckert, Jürgen

AU - Li, Hai Chao

AU - Scudino, Sergio

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N2 - In this study, the wear behavior of a heat-treatable Al-7Si-0.5Mg-0.5Cu alloy fabricated by selective laser melting was investigated systematically. Compared with the commercial homogenized AA2024 alloy, the fine secondary phase of the SLM Al-Cu-Mg-Si alloy leads to a low specific wear rate (1.8 ± 0.11 × 10−4 mm3(Nm)−1) and a low average coefficient of friction (0.40 ± 0.01). After the T6 heat treatment, the SLM Al-Cu-Mg-Si alloy exhibits a lower specific wear rate (1.48 ± 0.02 × 10−4 mm3(Nm)−1), but a similar average coefficient of friction (0.34 ± 0.01) as the heat-treated AA2024 alloy. Altogether, the SLM Al-3.5Cu-1.5Mg-1Si alloy is suitable for the achievement of not only superior mechanical performance, but also improved tribological properties.

AB - In this study, the wear behavior of a heat-treatable Al-7Si-0.5Mg-0.5Cu alloy fabricated by selective laser melting was investigated systematically. Compared with the commercial homogenized AA2024 alloy, the fine secondary phase of the SLM Al-Cu-Mg-Si alloy leads to a low specific wear rate (1.8 ± 0.11 × 10−4 mm3(Nm)−1) and a low average coefficient of friction (0.40 ± 0.01). After the T6 heat treatment, the SLM Al-Cu-Mg-Si alloy exhibits a lower specific wear rate (1.48 ± 0.02 × 10−4 mm3(Nm)−1), but a similar average coefficient of friction (0.34 ± 0.01) as the heat-treated AA2024 alloy. Altogether, the SLM Al-3.5Cu-1.5Mg-1Si alloy is suitable for the achievement of not only superior mechanical performance, but also improved tribological properties.

KW - Al-Si-Cu-Mg alloy

KW - Heat treatment

KW - Microstructure

KW - Selective laser melting

KW - Wear behavior

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