通过冷烧结工艺制备的多孔二酸盐玻璃陶,与化后技术相关
Xigeng Lyu1, Yeongjun Seo1, Do Hyung Han1
1SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki 567-0047, Osaka, Japan.
Materials (Basel, Switzerland)
|January 23, 2024
概括
这项研究开发了多孔二氧化 (LD) 玻璃陶,使用一种新的冷烧结工艺 (CSP),使用H2O蒸汽作为发泡剂. 该方法提供了一种可行的和环保的方式来生产定制的多孔玻璃陶.
科学领域:
- 材料科学 材料科学 材料科学
- 陶工程 陶工程 陶工程
- 纳米技术纳米技术
背景情况:
- 多孔玻璃陶为各种应用提供独特的性能.
- 控制玻璃陶中的孔隙结构和特性仍然是一个挑战.
- 现有的创建多孔玻璃陶的方法可能是复杂的或不友好的环境.
研究的目的:
- 开发一种新的,环保的方法来制备多孔的二酸盐 (LD) 玻璃陶.
- 调查H2O蒸汽在冷烧结过程 (CSP) 中作为泡剂的作用.
- 描述NaOH度对孔隙结构,晶体形成和机械性能的影响.
主要方法:
- 通过CSP,使用融衍生的LD玻璃粉和NaOH溶液制备多孔LD玻璃陶.
- 利用从Si-OH冷凝中产生的H2O蒸汽作为现场泡剂.
- 后处理以诱导结晶和密集.
主要成果:
- 具有可调节的多孔度 (25.648.6%) 和毛孔大小 (1.8913.40μm) 的多孔LD玻璃陶成功制造.
- 增加NaOH度导致剩余Si-OH组增加,促进孔隙形成.
- 观察到增强的机械性能,扬模量从56.9增加到79.1GPa,硬度从4.6增加到8.1GPa.
结论:
- CSP与后结合是生产多孔玻璃陶的可行和绿色方法.
- 在现场生成的H2O蒸气有效地起到泡剂的作用,使得可以控制孔隙性.
- 开发的方法允许量身定制孔隙结构并增强LD玻璃陶的机械性能.
相关概念视频
Volatilization
Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
Bricks
Bricks, a fundamental building material, are crafted from fired clay and exhibit a range of shapes, sizes, and colors. The production process starts with extracting local clay or shale, which is then crushed, ground, and screened for a fine texture. The refined material is blended with water, creating a pliable mixture that can be formed into bricks using one of three processes: soft mud, dry press, or stiff mud methods.
Soft mud bricks are shaped in molds with high moisture content and can be...
Soft mud bricks are shaped in molds with high moisture content and can be...


