Robust, fire-resistant, and thermal-stable HSMSS@SiBCN ceramic fiber membranes with blocked axial and radial heat transfer for high-temperature thermal superinsulation

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-05-01 DOI:10.1016/j.ceramint.2025.01.517

Hongli Liu , Kun Yu , Wenjin Yuan , Baojie Zhang , Peng Chu , Yuhao Liu , Weiqiang Xie , Shaojie Zhang , Yao Song , Wenjing Zu , Chenghao Bian , Ziyang Peng

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引用次数: 0

Abstract

Ceramic nanofibers with robust mechanical properties, high-temperature resistance, and superior thermal insulation performance are promising thermal insulators used under extreme conditions. However, developing of ceramic fibers with both high-temperature thermal stability and excellent mechanical properties remains a significant challenge. Herein, a novel hollow SiO₂ microspheres (HSMS_S) - SiBCN ceramic fiber membranes (HSMS_S@SiBCN) with excellent high-temperature insulation effect was designed by electrospinning technology. The microstructure, phase composition, and thermal insulation properties of HSMS_S@SiBCN ceramic fiber membranes were investigated under various heat treatment temperatures. The results showed that HSMS_S form a stable closed cell structure inside the fiber, synchronously hindering the axial and radial heat transfer, and endowed it with excellent thermal insulation performance (∼0.0316 W m⁻¹ K⁻¹). In addition, the prepared porous SiBCN ceramic fiber membranes also exhibit good tensile properties and high-temperature thermal stability (≥1200 °C). This work provides a new solution for researching and developing high-temperature thermal protection materials for ultra high-speed aircraft.

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坚固，耐火，热稳定HSMSS@SiBCN陶瓷纤维膜阻挡轴向和径向传热高温超保温

陶瓷纳米纤维具有坚固的机械性能、耐高温性能和优异的保温性能，是极具应用前景的极端条件下的绝热材料。然而，开发既具有高温热稳定性又具有优异力学性能的陶瓷纤维仍然是一个重大挑战。本文采用静电纺丝技术，设计了一种具有优异高温绝缘效果的新型中空SiO2微球(HSMSS) - SiBCN陶瓷纤维膜（HSMSS@SiBCN）。研究了HSMSS@SiBCN陶瓷纤维膜在不同热处理温度下的微观结构、相组成和保温性能。结果表明，HSMSS在纤维内部形成稳定的闭孔结构，同步阻碍轴向和径向传热，并赋予其优异的保温性能（~ 0.0316 W m−1 K−1）。此外，制备的多孔SiBCN陶瓷纤维膜还具有良好的拉伸性能和高温热稳定性（≥1200℃）。为超高速飞行器高温热防护材料的研究和开发提供了新的思路。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.