相关实验视频
Updated: Jul 22, 2026

Fused Filament Fabrication FFF of Metal-Ceramic Components
Published on: January 11, 2019
用于牙科假肢的地石-莫斯科石玻璃复合材料的生产和表征
Fernanda Paes de Figueiredo Costa Pietoso1, Shirleny Fontes Santos2, Lucas Hian da Silva3
1Universidade Federal Fluminense - UFF, School of Dentistry, Niterói, RJ, Brazil.
这项研究开发了一种可加工的玻璃陶,用于牙科修复. 与现有的玻璃陶相比,新材料具有更高的热稳定性和更高的断裂性.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 陶工程 陶工程 陶工程
背景情况:
- 牙修复材料需要出色的机械性能和生物相容性.
- 可加工的玻璃陶为精确制造牙科修复提供了潜力.
- 马斯科维特-米卡的特性被研究用于提高玻璃陶性能.
研究的目的:
- 为了生产和表征一个可加工的玻璃陶,以石-米卡作为主要的晶体阶段.
- 评估矿在提高可加工性和加强玻璃陶的作用.
- 为了评估开发的材料的热稳定性和断裂性.
主要方法:
- 菲尔德斯帕特玻璃碎片是精细磨的,并与莫斯科维特-米卡混合.
- 复合材料在850°C至1150°C的温度下进行压和真空烧结.
- 鉴定包括X射线衍射,扫描电子显微镜和微积分用于断裂性.
主要成果:
- 马斯科维特-米卡晶体在复合材料中显示出更好的热稳定性.
- 在田地玻璃基质中的白石结晶通过增加烧结温度来增强.
- 复合材料中10%和20%的马斯科维特在1050°C下烧结,其折断性值分别为9.0±1.2和8.4±0.6 MPa·m1/2.
- 这种材料在温度超过纯石的稳定性极限时保持稳定.
结论:
- 开发的玻璃陶复合材料含有莫斯科维特-米卡,具有增强的热稳定性和优越的断裂性.
- 莫斯科石-米卡的添加提高了实验玻璃陶的可加工性和硬化机制.
- 该材料由于其改进的特性,显示出作为牙科修复材料的承诺.
更多相关视频
05:30Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials
Published on: January 10, 2025
07:42Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
相关概念视频
Osteoclasts in Bone Remodeling
Types of Building Stone
Igneous rocks are formed from the solidification of magma or lava. An example is granite, known for its durability and resistance to weathering, making it ideal for parts of...
Quarrying of Stone
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the block.
Stone Masonry
Manufacture of Concrete Masonry Units
These wet blocks are then transported for curing, which can occur in one of two environments: a...
Composite Masonry Walls