Columnar Dendrite Morphology and Solute Concentration of GH3039 Nickel-Based Superalloys during Wire and Laser Additive Manufacturing: Insights from Phase Field Simulations

• Autorzy: Zong Nanfu , Wang Zheng , Liu Yang , Liang Xinghong , Jing Tao

Identyfikatory

DOI

10.24425/amm.2023.143673

• Języki publikacji: EN

Abstrakty

EN

Wire and laser additive manufacturing (WLAM) can produce outstanding mechanical properties of GH3039 nickel-based superalloys. A quantitative rapid phase field model with solute trapping kinetics has been developed during the rapid solidification process, where a range of process conditions are considered in terms of thermal gradients and pulling speeds. Intergranular hot cracking is found to occur at boundaries of tilted columnar dendrite in the GH3039 nickel-based superalloys. The simulations demonstrate that the phase field model considering the interface deflection can represent the dendrite growth during additive manufacturing more realistically. With the aid of numerical simulations, it is determined that dendrite growth morphologies transform from symmetrical columnar dendrite to tilted columnar dendrite as the interface crystallographic deflection is increased, while increasing the deflection angle can lead to uneven composition of material matrix, especially at the columnar dendrite interface. Solute concentrations at the columnar dendrite interface tend to promote hot cracking in additively manufactured Ni-based superalloy.

Słowa kluczowe

EN

wire and laser additive manufacturing; phase field simulation; solute concentration; interface crystallographic deflection; columnar dendrite

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2023
• Tom: Vol. 68, iss. 1
• Strony: 387--393
• Opis fizyczny: Bibliogr. 16 poz., fot., rys., tab., wzory

Twórcy

autor

Zong Nanfu

• Tsinghua University, Ministry of Education, School of Materials Science and Engineering, Key Laboratory for Advanced Materials Processing Technology, Beijing 100084, China

• https://orcid.org/0000-0002-2352-1592

autor

Wang Zheng

• Tsinghua University, Ministry of Education, School of Materials Science and Engineering, Key Laboratory for Advanced Materials Processing Technology, Beijing 100084, China

• https://orcid.org/0000-0002-0596-551X

autor

Liu Yang

• Jiangsu Changqiang Iron and Steel Corp., Ltd., Jiangsu 214500, China

• https://orcid.org/0000-0003-4425-4136

autor

Liang Xinghong

• Tsinghua University, Ministry of Education, School of Materials Science and Engineering, Key Laboratory for Advanced Materials Processing Technology, Beijing 100084, China

• https://orcid.org/0000-0002-8125-7478

autor

Jing Tao

• Tsinghua University, Ministry of Education, School of Materials Science and Engineering, Key Laboratory for Advanced Materials Processing Technology, Beijing 100084, China

• https://orcid.org/0000-0002-9634-7521

Bibliografia

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Uwagi

1. The present work is financially supported by The National Key Research and Development Program of China No. 2017YFB1103700.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).