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相关概念视频

Steel Manufacturing01:26

Steel Manufacturing

Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
Structural Steel Products01:24

Structural Steel Products

Structural steel products are created within a structural mill. The process begins with a beam blank that is reheated and then fed through a series of rollers. These rollers progressively shape the metal into its final form. Adjusting the spacings between the rollers allows for the production of different sections with the same nominal dimensions.
Once shaped, the steel's final form emerges as a continuous length, which is then segmented by a hot saw into manageable pieces. These segments are...

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相关实验视频

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Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
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材料结构性能集成的激光金属增材制造

Dongdong Gu1, Xinyu Shi2, Reinhart Poprawe3

  • 1Jiangsu Provincial Engineering Laboratory for Laser Additive Manufacturing of High-Performance Metallic Components, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China. dongdonggu@nuaa.edu.cn.

Science (New York, N.Y.)
|May 28, 2021
PubMed
概括

材料结构性能集成增材制造 (MSPI-AM) 实现了先进的多材料组件. 这种方法整合了材料设计,工艺监控和结构控制,以提高航空航天等行业的性能和多功能性.

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科学领域:

  • 材料科学与工程
  • 制造技术
  • 添加剂制造

背景情况:

  • 激光金属增材制造已经从单一材料发展到多种材料和多功能功能.
  • 航空,航天,汽车和能源行业不断增长的工业需求需要先进的制造解决方案.
  • 现有的增材制造 (AM) 方法往往无法整合最终使用组件的材料,结构和性能.

研究的目的:

  • 介绍和阐述材料结构性能集成增材制造 (MSPI-AM) 作为一种新型制造模式.
  • 介绍MSPI-AM的两个核心方法概念:精确的材料放置和功能特定的结构设计.
  • 展示MSPI-AM如何在组件性能和功能方面取得重大改进.

主要方法:

  • 在纳米/微尺度上协调材料开发的跨尺度机制的开发.
  • 在制造过程中实时监控的中层次过程监控的实施.
  • 集成宏观结构和性能控制以优化组件输出.

主要成果:

  • 成功展示MSPI-AM原则,使"正确位置的正确材料"和"独特功能的独特结构"成为可能.
  • 通过综合材料和结构设计,实现了部件性能和多功能性的显著提升.
  • 验证了跨度协调对材料性能和结构完整性的积极控制的有效性.

结论:

  • 它代表了增材制造设计和战略的革命性进步.
  • 这种综合方法有助于创建高性能,多功能终端组件.
  • 在制造业中,MSPI-AM具有显著的技术提升和可持续发展潜力.