真空形成对耐火材料质量的影响
Marcin Brzeziński1, Mariusz Łucarz1, Alicja Trela1
1Faculty of Foundry Engineering, AGH University of Krakow, Reymonta 23 St., 30-059 Krakow, Poland.
Materials (Basel, Switzerland)
|December 9, 2023
概括
使用降低压力的创新振动压缩方法增强了造炉的耐火材料. 这种技术提高了耐热冲击性,密度和渣渣性,从而提高了炉内性能.
科学领域:
- 材料科学 材料科学 材料科学
- 陶工程 陶工程
- 造技术 技术 造技术
背景情况:
- 耐火材料对于保护造行业的金属炉至关重要.
- 对于造品质的日益增长的要求,需要在耐火材料性能方面取得进展.
- 当前的耐火材料在满足更高的热和机械应力要求方面面临挑战.
研究的目的:
- 研究一种创新的振动压缩方法,使用耐火材料的降压.
- 为了比较通过低压振动压缩与标准振动压缩产生的耐火材料的性能.
- 评估新方法对造炉层相关的关键耐火性质的影响.
主要方法:
- 两种成型方法的比较分析:低压振动压缩和标准振动压缩.
- 评价耐火性质,包括耐热冲击性,线性膨胀,燃烧收缩,表面密度,开放性多孔性,表面比重,毛孔总体积,毛孔尺寸分布 (水银毛孔度) 和渣渣抗性.
- 使用高含量的酸作为耐火材料.
主要成果:
- 在振动压缩过程中压力降低导致了更均的耐火结构.
- 这种创新方法导致耐火材料内孔的数量和大小减少.
- 在大多数测试参数中观察到显著的改善,包括增强的热冲击阻力和渣渣阻力.
结论:
- 低压振动压缩方法为造炉的耐火材料制造提供了一种优越的方法.
- 这种技术产生了具有改善结构完整性和增强性能特性的耐火材料.
- 这些发现支持采用这种创新的方法来生产更高质量的炉外,满足造行业不断变化的需求.
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