Additive manufacturing of ITER first wall panel parts by two approaches: Selective laser melting and electron beam melting

被引：78

作者：

Zhong, Yuan ^{[1
]}

Rannar, Lars-Erik ^{[2
]}

Wikaman, Stefan ^{[3
]}

Koptyug, Andrey ^{[2
]}

Liu, Leifeng ^{[1
]}

Cui, Daqing ^{[1
]}

Shen, Zhijian ^{[1
]}

机构：

[1] Stockholm Univ, Arrhenius Lab, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden

[2] Mid Sweden Univ, Sports Tech Res Ctr, Dept Qual Technol Mech Engn & Math, SE-83125 Ostersund, Sweden

[3] Fus Energy, Torres Diagonal Litoral B3,Josep Pla 2, Barcelona 08019, Spain

来源：

FUSION ENGINEERING AND DESIGN | 2017年 / 116卷

关键词：

ITER; First wall; Additive manufacturing; 316L stainless steel; Selective laser melting; Electron beam melting; FABRICATION; TECHNOLOGY; STEEL; COMPONENTS;

D O I：

10.1016/j.fusengdes.2017.01.032

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Fabrication of ITER First Wall (FW) Panel parts by two additive manufacturing (AM) technologies, selective laser melting (SEM) and electron beam melting (EBM), was supported by Fusion for Energy (F4E). For the first time, AM is applied to manufacture ITER In-Vessel parts with complex design. Fully dense SS316L was prepared by both SLM and EBM after developing optimized laser/electron beam parameters. Characterizations on the density, magnetic permeability, microstructure, defects and inclusions were carried out. Tensile properties, Charpy-impact properties and fatigue properties of SLM and EBM SS316L were also compared. ITER FW Panel parts were successfully fabricated by both SLM and EBM in a onestep building process. The SLM part has smoother surface, better size accuracy while the EBM part takes much less time to build. Issues with removing support structures might be solved by slightly changing the design of the internal cooling system. Further investigation of the influence of neutron irradiation on materials properties between the two AM technologies is needed. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：24 / 33

页数：10

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