Highly effective smoothening of 3D-printed metal structures via overpotential electrochemical polishing

Shuai Chang; Aihong Liu; Chun Yee Aaron Ong; Lei Zhang; Xiaolei Huang; Yong Hao Tan; Liping Zhao; Liqun Li; Jun Ding

doi:10.1080/21663831.2019.1601645

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Highly effective smoothening of 3D-printed metal structures via overpotential electrochemical polishing

Original Report | 更新时间：2026-08-19

- Highly effective smoothening of 3D-printed metal structures via overpotential electrochemical polishing
- Materials Research Letters Vol. 7, Issue 7, Pages: 282-289(2019)
- 作者机构：
  
  1. School of Materials Science and Engineering Hubei Polytechnic University
  2. Department of Materials Science and Engineering Faculty of Engineering National University of Singapore
  3. Department of Mechanical Engineering Faculty of Engineering National University of Singapore
  4. Department of Physics Faculty of Science National University of Singapore
  5. Department of Materials Science and Engineering Faculty of Engineering National University of Singapore Singapore Singapore
  6. NUS Graduate School for Integrative Sciences and Engineering National University of Singapore
  7. National Metrology Centre (NMC) A*STAR
  8. State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1601645
  CLC：
- Online First：13 April 2019，
  
  Published：2019
- 稿件说明：
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Shuai Chang, Aihong Liu, Chun Yee Aaron Ong, et al. Highly effective smoothening of 3D-printed metal structures via overpotential electrochemical polishing[J]. Materials Research Letters, 2019, 7(7): 282-289.
DOI：

Shuai Chang, Aihong Liu, Chun Yee Aaron Ong, et al. Highly effective smoothening of 3D-printed metal structures via overpotential electrochemical polishing[J]. Materials Research Letters, 2019, 7(7): 282-289. DOI： 10.1080/21663831.2019.1601645.

摘要

Abstract

BSTRACTHigh roughness of metal structures made by selective laser melting restricted their extensive applications. A strategy of overpotential electrochemical polishing was developed for effectively smoothening three-dimensional (3D)-printed surfaces

particularly for removing sticking particles. Average surface roughness of 0.18 µm was achieved with a small thickness removed of ∼70 µm through a combination of overpotential and conventional electrochemical polishing. Interestingly

micro-lattices polished with this approach nearly doubled the specific compressive plateau stress and energy absorption over as-printed lattices. Moreover

the success with 316L stainless steel

4130 steel and AlSi10Mg

indicates the potential of this approach for smoothening other 3D-printed metals.

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Related Author

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Related Institution

State Key Laboratory of Materials Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology

d School of Materials Science and Engineering Ocean University of China

c Shanghai Engineering Research Center of 3D Printing Materials Shanghai Research Institute of Materials

a Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology Beijing

b Department of Materials Science and Engineering Massachusetts Institute of Technology Cambridge

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