Digital light processing 3D printing of AlSi10Mg powder modified by surface coating

被引：23

作者：

Zhang, Yubei ^{[1
,2
]}

Li, Shan ^{[1
]}

Zhao, Yantong ^{[1
,2
]}

Duan, Wenyan ^{[1
]}

Liu, Bingshan ^{[1
]}

Wang, Tongcai ^{[1
]}

Wang, Gong ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Technol & Engn Ctr Space Utilizat, Key Lab Space Mfg Technol SMT, Beijing 100094, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

ADDITIVE MANUFACTURING | 2021年 / 39卷

基金：

中国国家自然科学基金;

关键词：

Additive manufacturing; Digital light processing; AlSi10Mg; Surface modification; Suspension polymerization;

D O I：

10.1016/j.addma.2021.101897

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposed a kind of aluminum alloy powder additive manufacturing technology through surface modification of AlSi10Mg particles and digital light processing (DLP) printing. Firstly, AlSi10Mg particles were coated by styrene through suspension polymerization. The TEM results showed that the coating thickness is approximately 200 nm to 400 nm. Secondly, printing slurry was prepared by mixing photocurable acrylate resin with AlSil0Mg powder. The printing experiments showed that the curing depth of the printing slurry was obviously improved after surface coating of AlSil0Mg power. And the reason was discussed in detail. Then, the photocuring behavior and viscosity of the printing slurry were tested and analyzed. Finally, complex structures of AlSil0Mg material were successfully fabricated by digital light processing. It is demonstrated that surface modification is a feasible method for the photocurable printing of ultrafine alloy powder, which can also be expanded to the additive manufacturing of other alloy systems.

引用

页数：9

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