Preparation of Iron-Lithium Niobate Functional Graded Materials Based on Pressureless Infiltration Process AITranslate
Abstract AITranslate
Functional graded material(FGM)is a new type of functional composites,of which the macroscopic properties of the material show continuous gradient variation to solve the problem of abrupt changes at the interface between two different materials by controlling the volume content and chemical composition of components in the thickness direction.This paper proposed a method combining powder stacking,pressureless infiltration,and vacuum hot-pressing sintering to prepare iron-lithium niobate FGM with continuously varying component distribution.The method uses layering to control the volume distribution of the material,and by the self weight of high-temperature metals and the voids left by the evaporation of the binder,the liquid metal infiltrates from top to bottom along the void to achieve the effect of eliminating the interlayer interface,and the metal is then densified by vacuum hot-pressing sintering.Finally,a continuous functional graded material with the controlled volume distribution is obtained.The experimental results show that after the pressureless infiltration with a holding time of 120 min at 900℃and the vacuum hot-pressing sintering with a holding time of 120 min at 800℃and 35 MPa,the volume fraction of the prepared iron-lithium niobate FGM is linearly and continuously distributed in the thickness direction.
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Basic Information:
DOI：
Chinese Library Classification Number:TB34[一般工业技术—材料科学与工程]
Citation Information:
Functional graded material(FGM)is a new type of functional composites,of which the macroscopic properties of the material show continuous gradient variation to solve the problem of abrupt changes at the interface between two different materials by controlling the volume content and chemical composition of components in the thickness direction.This paper proposed a method combining powder stacking,pressureless infiltration,and vacuum hot-pressing sintering to prepare iron-lithium niobate FGM with continuously varying component distribution.The method uses layering to control the volume distribution of the material,and by the self weight of high-temperature metals and the voids left by the evaporation of the binder,the liquid metal infiltrates from top to bottom along the void to achieve the effect of eliminating the interlayer interface,and the metal is then densified by vacuum hot-pressing sintering.Finally,a continuous functional graded material with the controlled volume distribution is obtained.The experimental results show that after the pressureless infiltration with a holding time of 120 min at 900℃and the vacuum hot-pressing sintering with a holding time of 120 min at 800℃and 35 MPa,the volume fraction of the prepared iron-lithium niobate FGM is linearly and continuously distributed in the thickness direction.
quote
| GB/T 7714-2015 | [1] ZHOU Hong-mei, WANG Yi-qiang, ZHANG Xiao-ming, et al. Preparation of Iron-Lithium Niobate Functional Graded Materials Based on Pressureless Infiltration Process[J]. Rare Metals and Cemented Carbides, 2023(3): 65-69. |
| MLA | [1] ZHOU Hong-mei, et al., "Preparation of Iron-Lithium Niobate Functional Graded Materials Based on Pressureless Infiltration Process." Rare Metals and Cemented Carbides, no. 3, 2023, pp. 65-69. |
| APA | [1] ZHOU Hong-mei, WANG Yi-qiang, ZHANG Xiao-ming, YU Jian-gong, & WANG Zuo-tong. (2023). Preparation of Iron-Lithium Niobate Functional Graded Materials Based on Pressureless Infiltration Process. Rare Metals and Cemented Carbides(3), 65-69. |
| IEEE | [1] ZHOU Hong-mei, WANG Yi-qiang, ZHANG Xiao-ming, YU Jian-gong, and WANG Zuo-tong, "Preparation of Iron-Lithium Niobate Functional Graded Materials Based on Pressureless Infiltration Process," Rare Metals and Cemented Carbides, no. 3, pp. 65-69, 2023. keywords: {iron-lithium niobate;functional graded material;pressureless infiltration;hot-pressing sintering} |