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129 results on '"Xie, Yongshuai"'

23. Single-Phase, Large Plastic Deformation, and Highly Flexible Yb2O3 Nanofibrous Membranes for Thermal Insulation.

Author

Ma, Dehua, Wang, Yifan, Wang, Lin, Peng, Ying, Yin, Yunguang, Hou, Shanyue, Zhu, Luyi, Wang, Xinqiang, Liu, Benxue, Zhang, Guanghui, Xie, Yongshuai, and Xu, Dong

Abstract

Ultralow-density (35–60 mg·cm–3) Yb2O3 nanofibrous membranes (YbFMs) with a multilayer structure were successfully prepared for the first time using Yb-acetylacetone coordination polymer as a precursor. Thanks to the high ceramic yield (62.1%) and excellent spinnability of the precursor, the YbFMs exhibited outstanding flexibility, which does not cause damage even when bent or knotted. The tensile strength of the YbFMs was 1.69 MPa, and the maximum elongation could reach 33%. Notably, the YbFMs exhibited robust fatigue resistance, retaining 87.2% of the initial stress even after 500 buckling cycles and preserving 84.75% of the initial stress in compression resilience. Moreover, the YbFMs exhibited flexibility and compressive performance in the temperature range of −196–1350 °C. The thermal conductivity of the YbFMs was 28.9–34.6 mW·m–1·K–1. At a hot surface temperature of 1350 °C, the 6 mm thick YbFMs could reduce the back temperature by about 1070 °C. Thus, YbFMs are expected to be a flexible insulation material at extremely high temperatures. [ABSTRACT FROM AUTHOR]

Published
2024
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42. Corrigendum to “Efficient dry reforming of methane with carbon dioxide reaction on Ni@Y2O3 nanofibers anti-carbon deposition catalyst prepared by electrospinning-hydrothermal method” [Int J Hydrogen Energy 45 (2020) 31494–31506]

Author

Xie, Yongshuai, primary, Xie, Fengqiong, additional, Wang, Lin, additional, Peng, Ying, additional, Ma, Dehua, additional, Zhu, Luyi, additional, Zhou, Guilin, additional, Wang, Xinqiang, additional, and Zhang, Guanghui, additional

Published
2021
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43. Lightweight and Resilient ZrO2–TiO2 Fiber Sponges with Layered Structure for Thermal Insulation.

Author

Dong, Jianhong, Xie, Yongshuai, Liu, Lixin, Deng, Zhezhe, Liu, Wei, Zhu, Luyi, Wang, Xinqiang, Xu, Dong, and Zhang, Guanghui

Subjects
THERMAL insulation, INSULATING materials, HEAT treatment, FIBERS, HEAT radiation & absorption, HEAT transfer, INFRARED radiation
Abstract

Low density, heat‐resistant sponge‐like fiber assembly materials are considered as promising high‐temperature insulation materials. However, the poor structural stability, infrared radiation heat transfer, and complex preparation process limit its further application. Herein, a facile method to create ultralow‐density ZrO2–TiO2 fiber sponges by the electrospinning method followed by heat treatment is presented. The layered structure sponges treated at 1200 °C have a low density of 9.5 mg cm−3. Moreover, the sponges possess high compressibility and good compression resistance over a wide temperature range from −196 to 1200 °C. In addition, the sponges exhibit low thermal conductivity of 27 mW m−1 K−1, robust fire resistance, and high near‐infrared reflectance, making them an ideal alternative for high‐temperature thermal insulation materials. [ABSTRACT FROM AUTHOR]

Published
2022
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50. Modification of YSZ fiber composites by Al2TiO5fibers for high thermal shock resistance

Author

Liu, Wei, Xie, Yongshuai, Deng, Zhezhe, Peng, Ying, Dong, Jianhong, Zhu, Ze, Ma, Dehua, Zhu, Luyi, Zhang, Guanghui, and Wang, Xinqiang

Abstract

Yttria-stabilized zirconia (YSZ) fiber composites are highly efficient thermal insulating materials; however, the poor thermal shock resistance limits their versatile applications. In the present study, YSZ fiber was mixed directly with Al2TiO5 fiber, which had an extremely low thermal expansion coefficient, to prepare YSZ−Al2TiO5(ZAT) fiber composites by compression molding and heat treatment. The minimum thermal expansion coefficient of the prepared ZAT fiber composites was measured to be 7.74×10−6K−1, which was 26% lower than that of the YSZ fiber composites (10.42×10−6K−1). It was shown that the prepared ZAT fiber composites maintain the integrity after undergoing 51 thermal shock cycles between 1100 °C and room temperature. Whereas, YSZ fiber composites burst immediately after only one thermal shock cycle under the same condition. In addition, the ZAT fiber composites also exhibit considerable mechanical and thermal insulating performance.

Published
2022
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