Machining and heat treatment as post-processing strategies for Ni-superalloys structures fabricated using direct energy deposition

被引：38

作者：

Careri, Francesco ^{[1
,2
]}

Imbrogno, Stano ^{[2
]}

Umbrello, Domenico ^{[1
]}

Attallah, Moataz M. ^{[2
]}

Outeiro, Jose ^{[3
]}

Batista, Antonio C. ^{[4
]}

机构：

[1] Univ Calabria, Dept Mech Energy & Management Engn, I-87036 Arcavacata Di Rende, CS, Italy

[2] Univ Birmingham, Sch Met & Mat, Birmingham B15 2TT, W Midlands, England

[3] HESAM Univ, Arts & Metiers Inst Technol, LABOMAP, Rue Porte Paris, F-71250 Cluny, France

[4] Univ Coimbra, Dept Phys, CFisUC, P-3004516 Coimbra, Portugal

来源：

JOURNAL OF MANUFACTURING PROCESSES | 2021年 / 61卷

基金：

欧盟地平线“2020”;

关键词：

Machining; Additive manufacturing; Surface integrity; INCONEL; 718; SURFACE INTEGRITY;

D O I：

10.1016/j.jmapro.2020.11.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of this study is to determine the most suitable post-processing routines to enhance the surface integrity of components produced with Inconel 718 superalloy by additive manufacturing. The components were fabricated by Direct Energy Deposition (DED) followed by two typical post-processing methods: machining and heat treatment. The effect of the post-processing sequence (machining + heat treatment or heat treatment + machining) and the corresponding effects on the surface integrity of these components were investigated in terms of surface finishing, microstructure, micro-hardness and residual stresses. Finally, suitable solutions in terms of additive manufacturing - post-process operations have been reported.

引用

页码：236 / 244

页数：9

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