具有超高杨氏模量的钽酸盐铝硅酸盐玻璃的钇替代效应

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Journal of the American Ceramic Society Pub Date : 2024-07-01 DOI:10.1111/jace.19995

Katsuki Hayashi, Hikaru Nishizaki, Kazuki Mitsui, Grégory Tricot, Akira Saitoh

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摘要

我们报告了兼容超高杨氏模量（∼150 GPa）和较小热膨胀系数（∼5.0 ppm/K）的新型氧化物玻璃。这些玻璃是用传统的熔淬技术制备的。粘度-温度关系为坚硬和较少扩张的氧化物玻璃提供了重塑温度。产生超高杨氏模量的原因是其中含有 Y2O3 以及五配位和六配位氧化铝和 Ta2O5，由于氧配位数较高，因此离子堆积比较大。另一方面，热膨胀系数较小的原因是加入了 Ta2O5 和 SiO2，它们因结合力强而具有较大的解离能。

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Yttria substitution effect of tantalate aluminosilicate glasses with ultra-high Young's modulus

We report novel oxide glasses that are compatible with ultra-high Young's modulus (∼150 GPa) and a small coefficient of thermal expansion (∼5.0 ppm/K). These glasses were prepared using a conventional melt-quenching technique. The viscosity–temperature relation provides the reshaping temperature for the stiff and less dilated oxide glasses. The origin of the ultra-high Young's modulus is the inclusion of Y₂O₃ as well as five- and six-coordinated alumina oxide and Ta₂O₅, which has a large ionic packing ratio due to higher oxygen coordination numbers. On the other hand, the small thermal expansion coefficient originates from including Ta₂O₅ and SiO₂ with large dissociation energy due to strong bonds.

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.