磷酸亚锡玻璃-聚四氟乙烯复合材料的制备与表征

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Materials Research Pub Date : 2024-04-26 DOI:10.1515/ijmr-2023-0237

J. Shyu, Pei-Chun Tsai

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引用次数: 0

摘要

通过烧结工艺将低T g SnO-MgO-P2O5（SMP）玻璃与聚四氟乙烯（PTFE）混合形成复合材料。研究了 SMP:PTFE 比例和烧结温度（350 ℃-430 ℃）对微观结构以及与低热膨胀玻璃基底的结合能力的影响。SMP 和 PTFE 的软化起始温度接近（328 ℃ 和 313 ℃），远低于 PTFE 的失重起始温度（381 ℃）。这对 SMP-PTFE 复合材料的烧结非常重要。烧结后，纯 SMP 玻璃无法与低热膨胀的 1737® 玻璃基底粘合。然而，SMP-PTFE 复合材料在适当温度下烧结后却能与 1737® 粘合。本文讨论了添加 PTFE 增强粘合力的可能机制。

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Preparation and characterization of stannous phosphate glass – polytetrafluoroethylene composites

A low-T g SnO–MgO–P2O5 (SMP) glass was mixed with polytetrafluoroethylene (PTFE) to form composites by a sintering route. Effects of SMP:PTFE ratio and sintering temperature (350 °C–430 °C) on the microstructure and the bonding ability to a low thermal-expansion glass substrate were investigated. The onset softening temperatures of SMP and PTFE are close (328 °C and 313 °C), which are much lower than the onset temperature of weight loss of PTFE (381 °C). This is important for the sintering of SMP–PTFE composites. After sintering, pure SMP glass was not able to bond to the low thermal-expansion 1737® glass substrates. However, SMP–PTFE composites were able to bond to 1737® after sintering at appropriate temperatures. A possible mechanism for the enhancement of bonding by adding PTFE is discussed.

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来源期刊

International Journal of Materials Research 工程技术-冶金工程

CiteScore

1.30

自引率

12.50%

发文量

119

审稿时长

6.4 months

期刊介绍： The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques. All articles are subject to thorough, independent peer review.