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Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
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激光覆盖的研究进展和缺陷改善措施.

Bo Cui1, Peiqing Zhou2, You Lv1

  • 1College of Mechanical and Civil Engineering, Jilin Agricultural Science and Technology College, Jilin 132101, China.

Materials (Basel, Switzerland)
|July 12, 2025
PubMed
概括
此摘要是机器生成的。

激光覆盖增强了金属的性能,但由于材料不匹配和工艺错误,可能会导致裂等缺陷. 本研究审查了防止和改善这些裂的方法,以提高涂层质量.

关键词:
破裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂,裂.材料系统 材料系统缓解和预防和预防.过程参数 过程参数剩余的压力是剩余的压力.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 表面工程是什么?表面工程是什么?
  • 制造过程 制造过程 制造过程

背景情况:

  • 激光覆盖是一种先进的金属表面修饰技术.
  • 它通过快速加热/冷却和精确控制来提高耐磨性和耐腐蚀性.
  • 涂层缺陷,特别是裂,可能是由于材料属性不匹配和过程参数不正确而产生的.

研究的目的:

  • 调查材料系统和工艺参数对激光覆盖复合涂料的影响.
  • 确定涂层缺陷的主要原因,特别是裂.
  • 要总结有效的策略,防止裂和改进激光覆盖.

主要方法:

  • 对影响激光涂层的材料系统和工艺参数的分析.
  • 确定热和残余应力是裂的主要原因.
  • 审查裂纹缓解的五个关键领域:制备,辅助领域,热处理,软件和新材料/工艺.

主要成果:

  • 激光覆盖复合涂料的裂纹主要归因于热和残余应力.
  • 有效的裂预防和改进策略包括仔细选择工艺,辅助现场应用,热处理,软件利用以及探索新材料和工艺.
  • 了解这些因素对于优化激光覆盖质量至关重要.

结论:

  • 激光覆盖为金属表面增强提供了显著的好处.
  • 解决材料差异和优化工艺参数是防止裂等缺陷的关键.
  • 结合工艺控制,后加工和材料创新的多方面的方法对于推进激光覆盖技术至关重要.