SELECTIVE LASER MELTING AND MECHANICAL PROPERTIES OF OXIDE DISPERSION STRENGTHENED HAYNES 214 ALLOY

被引：0
|
作者：
Poudel, Bibek [1 ]
Nguyen, Hoa X. [1 ]
O'Neil, Aaron [1 ]
Ahmad, Mohsan Uddin [1 ]
Qu, Zhiyuan [1 ]
Kwon, Patrick [1 ]
Chung, Haseung [1 ]
机构：
[1] Michigan State Univ, E Lansing, MI 48824 USA
来源：
PROCEEDINGS OF ASME 2022 17TH INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE, MSEC2022, VOL 2 | 2022年
关键词：
Selective laser melting; Haynes; 214; Yttria nanoparticles; Nanoparticles dispersion; High-temperature mechanical properties; OXIDATION BEHAVIORS; SPATTER GENERATION; ENERGY DENSITY; MICROSTRUCTURE; FABRICATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Haynes 214, a nickel-based superalloy, and its oxide dispersion-strengthened (ODS) versions (addition of 0.3, and 1.5 wt. % yttria (Y2O3)) have been successfully fabricated using selective laser melting (SLM). For each feedstock formulation, optimal processing conditions were identified and high temperature tensile testing coupons were produced. Feedstock preparation and laser scanning strategy have been proven to be critical in the dispersion of nanoparticles in the metal matrix, as well as preventing the formation of extensive crack networks. The impact of Y2O3 addition on the high-temperature tensile properties of Haynes 214 was evaluated and discussed.
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页数：10
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