Production and characterization of Ti6Al4V/CaP nanocomposite powder for powder-based additive manufacturing systems

被引：4
|
作者：
Sayedain, Sayed Shahab [1 ]
Ekrami, Aliakbar [1 ]
Badrossamay, Mohsen [2 ]
机构：
[1] Sharif Univ Technol, Mat Sci & Engn Dept, POB 11155-9466, Tehran, Iran
[2] Isfahan Univ Technol, Mech Engn Dept, POB 84156-83111, Esfahan, Iran
来源：
POWDER TECHNOLOGY | 2021年 / 386卷
基金：
美国国家科学基金会;
关键词：
Additive manufacturing; Nanocomposite; Ti6Al4V; Calcium phosphate; Powder-based 3D printer; Flowability; METAL-MATRIX-COMPOSITES; CALCIUM-PHOSPHATE; CARBON NANOTUBES; PHASE-TRANSFORMATION; APATITE FORMATION; WEAR-RESISTANCE; FLOW PROPERTIES; LASER; ALLOY; TI;
D O I：
10.1016/j.powtec.2021.03.046
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ti64/CaP nanocomposite powder was fabricated and characterized for use in powder-bed 3D printing. The microstructure and phase composition, morphology, particle size distribution, sphericity, flow behavior and dispersion of the as-fabricated particles on the building plate of the 3D printer were investigated. The results confirmed a uniform distribution of nanostructured calcium phosphate particles on the surface of primary Ti64 ones. Calcium phosphate appears as an octa-calcium phosphate phase. The morphology of the particles was shown as spherical, and their sphericity was better than the as-received Ti64 particles. The particle size distribution of nanocomposite powder indicated a smaller amount than the as-received Ti64 particles. Additionally, the flow behavior was improved compared to the as-received Ti64 and delivered an optimal dispersion on the building platform. Ultimately, Ti64/CaP nanocomposite powder has a very homogeneous and uniform microstructure and bears a proper flow behavior for use in powder-bed additive manufacturing machines. (c) 2021 Elsevier B.V. All rights reserved.
引用
收藏
页码：319 / 334
页数：16
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