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相关概念视频

Fiber Reinforced Concrete01:22

Fiber Reinforced Concrete

Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
Plasticizers01:31

Plasticizers

Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
Superplasticizers01:30

Superplasticizers

Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...
Additives and Fillers in Concrete01:29

Additives and Fillers in Concrete

Additives and fillers are integral to enhancing the properties of concrete. Pozzolans and blast-furnace slag are additives or admixtures due to their reactions with calcium hydroxide released during cement hydration. Fillers, which are finely ground and similar in fineness to Portland cement, improve concrete attributes such as workability density, and reduce capillary bleeding or cracking. Some fillers possess hydraulic properties or participate in benign reactions within the cement paste.
The...

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相关实验视频

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Planar and Three-Dimensional Printing of Conductive Inks
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用于增材制造的电导聚合物

Yinjia Yan1,2, Miao Han1,2, Yixue Jiang2,3

  • 1Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering (IBME), and Ningbo Institute, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.

ACS applied materials & interfaces
|January 29, 2024
PubMed
概括
此摘要是机器生成的。

增材制造 (AM) 为新型电子设备提供了导电聚合物 (CP) 的先进3D打印. 本综述探讨了AM技术,材料要求和未来电子产品的应用.

关键词:
通过3D打印打印3D打印.4D打印是一种4D打印.添加剂制造 添加剂制造 添加剂制造导电性聚合物中的导电性聚合物.电子产品 电子产品

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科学领域:

  • 材料科学与工程 材料科学与工程
  • 聚合物化学 聚合物化学
  • 增材制造 增材制造 增材制造

背景情况:

  • 电导聚合物 (CPs) 将聚合物特性与金属/半导体电子特性相结合.
  • 传统的制造方法与非平面形态和较差的离子/电子移动性作斗争.
  • 增材制造 (AM) 为基于CP的先进电子设备制造提供了机会.

研究的目的:

  • 为增材制造 (AM) 提供导电聚合物 (CPs) 最近研究进展的概述.
  • 讨论各种AM技术,它们的挑战,以及印刷CP的材料要求.
  • 探索AM衍生CP的潜在电子应用.

主要方法:

  • 对用于增材制造 (AM) 的导电聚合物 (CPs) 的最新研究进行审查.
  • 分析不同的AM技术:光聚合 (VP),材料挤出 (ME),粉床融合 (PBF),材料喷射 (MJ) 和层叠物体制造 (LOM).
  • 讨论材料要求和CP的3D打印的进展.

主要成果:

  • 增材制造 (AM) 能够为导电聚合物 (CP) 设备提供更大的设计自由,复杂的结构和快速原型.
  • 各种AM技术正在开发用于CP的3D打印,每个都有特定的进展和挑战.
  • 在CP的3D打印方面取得了重大进展,满足电子应用的材料要求.

结论:

  • 增材制造 (AM) 是制造先进导电聚合物 (CP) 电子设备的一个有前途的方法.
  • 未来的电子应用包括可穿戴电子产品,传感器和能量存储/转换设备.
  • 在CP的AM方面持续的研究和开发将推动电子设备设计的创新.