Relationship between solidification time and porosity with directed energy deposition of Inconel 718

Tatsuhiko Kuriya; Ryo Koike; Takanori Mori; Yasuhiro Kakinuma

doi:10.1299/jamdsm.2018jamdsm0104

Relationship between solidification time and porosity with directed energy deposition of Inconel 718

Tatsuhiko Kuriya, Ryo Koike, Takanori Mori, Yasuhiro Kakinuma

Department of System Design Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Directed Energy Deposition (DED) of metal materials has been widely studied with Inconel 718 using in aerospace industry. Void generation in a deposited part causes deterioration of the mechanical strength. Hence, void should be avoided in the DED process. In this study, a mechanism of void generation was investigated through the dynamic observation by high-speed camera, the thermal observation and the evaluation of the porosity. The experimental result shows that solidification time has an influence on the void generation.

Original language	English
Article number	JAMDSM0104
Journal	Journal of Advanced Mechanical Design, Systems and Manufacturing
Volume	12
Issue number	5
DOIs	https://doi.org/10.1299/jamdsm.2018jamdsm0104
Publication status	Published - 2018

Keywords

3D printing
Additive manufacturing
CNC machine tool
Directed energy deposition
High-speed camera
Inconel 718
Porosity
Solidification time
Two-color temperature measurement

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1299/jamdsm.2018jamdsm0104

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title = "Relationship between solidification time and porosity with directed energy deposition of Inconel 718",

abstract = "Directed Energy Deposition (DED) of metal materials has been widely studied with Inconel 718 using in aerospace industry. Void generation in a deposited part causes deterioration of the mechanical strength. Hence, void should be avoided in the DED process. In this study, a mechanism of void generation was investigated through the dynamic observation by high-speed camera, the thermal observation and the evaluation of the porosity. The experimental result shows that solidification time has an influence on the void generation.",

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author = "Tatsuhiko Kuriya and Ryo Koike and Takanori Mori and Yasuhiro Kakinuma",

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AU - Kuriya, Tatsuhiko

AU - Koike, Ryo

AU - Mori, Takanori

AU - Kakinuma, Yasuhiro

PY - 2018

Y1 - 2018

N2 - Directed Energy Deposition (DED) of metal materials has been widely studied with Inconel 718 using in aerospace industry. Void generation in a deposited part causes deterioration of the mechanical strength. Hence, void should be avoided in the DED process. In this study, a mechanism of void generation was investigated through the dynamic observation by high-speed camera, the thermal observation and the evaluation of the porosity. The experimental result shows that solidification time has an influence on the void generation.

AB - Directed Energy Deposition (DED) of metal materials has been widely studied with Inconel 718 using in aerospace industry. Void generation in a deposited part causes deterioration of the mechanical strength. Hence, void should be avoided in the DED process. In this study, a mechanism of void generation was investigated through the dynamic observation by high-speed camera, the thermal observation and the evaluation of the porosity. The experimental result shows that solidification time has an influence on the void generation.

KW - 3D printing

KW - Additive manufacturing

KW - CNC machine tool

KW - Directed energy deposition

KW - High-speed camera

KW - Inconel 718

KW - Porosity

KW - Solidification time

KW - Two-color temperature measurement

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Relationship between solidification time and porosity with directed energy deposition of Inconel 718

Abstract

Keywords

ASJC Scopus subject areas

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