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Research,application and development of inorganic binder for casting process

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Inorganic binder used in casting process has the advantages of low odor,labor-friendly conditions,and relatively low cost,which is one of the main development directions for casting molding materials in the future.However,compared to organic binders(such as resin binders),inorganic binders exhibit lower bonding strength and are more sensitive to environmental humidity.This sensitivity poses challenges,particularly in the reclamation of used sand,thus limiting their broader application.In this paper,the research and application status of inorganic binders(mainly silicate inorganic binders)and their curing methods are summarized.In addition,the research and application of phosphate inorganic binders and 3D printing inorganic binders that are being developed are introduced.Meanwhile,a detailed comparative analysis is conducted on the challenging issue of"reclamation for used sand"in the application of inorganic binders.Finally,the development direction of inorganic binders is clarified.

inorganic bindersilicate systemphosphate system3D printingused sand reclamationdevelopment trend

Xiao-long Gong、Sheng-li Hu、Zi-tian Fan

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State Key Laboratory of Materials Processing and Die & Mould Technology,School of Materials Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China

School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

52275334522053615107516350575085

2024

10.1007/s41230-024-4060-3

中国铸造
沈阳铸造研究所

中国铸造

CSTPCDEI
影响因子：0.299
ISSN：1672-6421
年,卷(期)：2024.21(5)