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模拟和实验研究激光处理NdFeB微阵列结构的模拟和实验研究.

Yong Zhao1, Shuo Wang1, Wenhui Yu2

  • 1State Key Laboratory of High-Performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, China.

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概括
此摘要是机器生成的。

激光处理提供了一种有效的方法,可以在铁 (NdFeB) 磁滑块上创建微结构. 这项研究模拟和验证了激光参数,以获得最佳的剥离深度和形态,达到43微米的深度.

关键词:
这是一种 NdFeBB.激光处理是激光加工的过程.融化池流动演变的演变微观结构形成机制的机制模拟模拟是指一个模拟模拟.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 制造业 工程 制造工程
  • 激光物理 激光物理

背景情况:

  • -铁- (NdFeB) 材料由于其磁性特性,对微线性电机滑板至关重要.
  • 目前微结构的NdFeB滑块的制造方法面临复杂性和效率方面的挑战.
  • 激光加工为制造这些部件提供了一个有希望的,但尚未充分探索的替代方案.

研究的目的:

  • 调查微结构NdFeB材料的可行性和优化激光处理.
  • 在激光切除过程中分析池内的热和流体动力学.
  • 了解微结构形成的机制及其对处理参数的依赖.

主要方法:

  • 开发一个二维模拟模型,用于激光处理的NDFeB.
  • 分析温度分布,池流量和形态特征.
  • 模拟结果的实验验证,重点关注切除深度和扫描速度效应.

主要成果:

  • 模拟准确地预测了8W平均功率和100mm/s扫描速度的43微米的剥离深度,与实验数据相匹配.
  • 化的材料动力学导致了V形坑的形成.
  • 除深度与扫描速度相反;融化池尺寸和重新造层高度随着平均激光功率的增加而增加.

结论:

  • 激光加工是一种可行的技术,用于制造微结构NdFeB组件.
  • 优化的参数 (8 W, 100 mm/s) 产生精确的剥离深度.
  • 了解融化池的行为是控制微观结构形成和实现所需表面形态的关键.