Superior creep strength of a nickel-based superalloy produced by selective laser melting

M. Proebstle; S. Neumeier; J. Hopfenmueller; L.P. Freund; T. Niendorf; D. Schwarze; M. Goeken

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Superior creep strength of a nickel-based superalloy produced by selective laser melting

机译：通过选择性激光熔化生产的镍基高温合金具有出色的蠕变强度

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The creep properties of a polycrystalline nickel-based superalloy produced via selective laser melting were investigated in this study. All heat treatment conditions of the additively manufactured material show superior creep strength compared to conventional cast and wrought material. The process leads to a microstructure with fine subgrains. In comparison to conventional wrought material no Niobium rich δ phase is necessary to control the grain size and thus more Niobium is available for precipitation hardening and solid solution strengthening resulting in improved creep strength.

机译：在这项研究中，研究了通过选择性激光熔化生产的多晶镍基高温合金的蠕变性能。与传统的铸造和锻造材料相比，增材制造的材料在所有热处理条件下均表现出优异的蠕变强度。该过程导致具有细亚晶粒的微观结构。与传统的锻造材料相比，不需要富铌的δ相来控制晶粒尺寸，因此更多的铌可用于沉淀硬化和固溶强化，从而提高了蠕变强度。

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来源
《Materials Science and Engineering》 |2016年第30期|299-307|共9页
作者
M. Proebstle; S. Neumeier; J. Hopfenmueller; L.P. Freund; T. Niendorf; D. Schwarze; M. Goeken;
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作者单位

Department of Materials Science & Engineering Institute Ⅰ, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Martensstrasse 5, D-91058 Erlangen, Germany;

Department of Materials Science & Engineering Institute Ⅰ, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Martensstrasse 5, D-91058 Erlangen, Germany;

Department of Materials Science & Engineering Institute Ⅰ, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Martensstrasse 5, D-91058 Erlangen, Germany;

Department of Materials Science & Engineering Institute Ⅰ, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Martensstrasse 5, D-91058 Erlangen, Germany;

Institut fuer Werkstofftechnik (Materials Engineering), Universitaet Kassel, Moenchebergstr. 3, D-34125 Kassel, Germany;

SLM Solutions GmbH, Roggenhorster Strasse 9c, D-23556 Luebeck, Germany;

Department of Materials Science & Engineering Institute Ⅰ, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Martensstrasse 5, D-91058 Erlangen, Germany;

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正文语种 eng
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关键词
Nickel based superalloys; Inconel 718; Selective laser melting; Microstructure; Creep;

机译：镍基高温合金;因科镍合金718;选择性激光熔化;微观结构蠕变;

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1. Creep property of Inconel 718 superalloy produced by selective laser melting compared to forging [J] . Zhen Xu, Lijie Cao, Qiang Zhu, Materials Science and Engineering . 2020,第Sepa9期

机译：与锻造相比，通过选择性激光熔化产生的Inconel 718超级合金的蠕变性能
2. Developing very strong texture in a nickel-based superalloy by selective laser melting with an ultra-high power and flat-top laser beam [J] . Materials Characterization . 2020,第期

机译：通过用超高功率和平顶激光束选择性激光熔化在基于镍基超合金中开发非常强大的质地
3. Effect of welding thermal treatment on the microstructure and mechanical properties of nickel-based superalloy fabricated by selective laser melting [J] . Li Liang, Mingfang Xu, Yuhua Chen, Materials Science and Engineering . 2021,第Jula5期

机译：焊接热处理对选择性激光熔化制造的镍基超合金微观结构和力学性能的影响
4. Microstructural evolution and mechanical behavior of nickel-based superalloy 625 made by selective laser melting [C] . David B. Witkin, Paul Adams, Thomas Albright Laser 3D Manufacturing II . 2015

机译：选择性激光熔炼镍基高温合金625的组织演变和力学行为
5. Evaluation of Metallurgical and Mechanical Properties of AlSi10Mg Produced by Selective Laser Melting [D] . Suttey, Luke Joseph. 2018

机译：选择性激光熔炼AlSi10Mg的冶金和力学性能评估
6. Cracking Behavior of René 104 Nickel-Based Superalloy Prepared by Selective Laser Melting Using Different Scanning Strategies [O] . Kai Peng, Ranxi Duan, Zuming Liu, 2020

机译：使用不同扫描策略通过选择性激光熔化制备的René104镍基高温合金的开裂行为
7. Microstructure of Nickel-Based Superalloy Fabricated by Selective Laser Melting in Vacuum [O] . Naoko SATO, Shizuka NAKANO, Toshiki NAGAHARI, 2020

机译：通过真空选择激光熔化制造的镍基超合金的微观结构

Superior creep strength of a nickel-based superalloy produced by selective laser melting

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