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Applied Physics A

, Volume 119, Issue 3, pp 1075–1080 | Cite as

Femtosecond laser additive manufacturing of iron and tungsten parts

  • Bai NieEmail author
  • Lihmei Yang
  • Huan Huang
  • Shuang Bai
  • Peng Wan
  • Jian Liu
Article

Abstract

For the first time, femtosecond laser additive manufacturing is demonstrated. Pure iron and tungsten powders, having very different melting temperature and mechanical properties, are used for the demonstration. Parts with various shapes, such as ring and cube, are fabricated. Micro-hardness and ultimate tensile strength are investigated for the fabricated samples. The results are also compared to the similar parts made by a continuous-wave laser. It is found that fs laser additive manufacturing can obtain better mechanical properties and fabricate materials that are not possible before.

Keywords

Ultimate Tensile Strength Fiber Laser Additive Manufacturing Selective Laser Melting Powder Surface 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Bai Nie
    • 1
    Email author
  • Lihmei Yang
    • 1
  • Huan Huang
    • 1
  • Shuang Bai
    • 1
  • Peng Wan
    • 1
  • Jian Liu
    • 1
  1. 1.PolarOnyx, Inc.San JoseUSA

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