High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts

Jiang-Tao Sun; Zhi-Yong Fan; Yi-Wei Mao; Wei Li; Wei Zhu; Dao-Sheng Cai; Qing-Song Wei

doi:10.1007/s10118-024-3077-9

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High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts

RESEARCH ARTICLE | Updated：2024-04-12

- High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts
- High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts
- 高分子科学（英文版） 2024年42卷第5期页码：675-682
- Affiliations：
  
  a.State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
  b.State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430074, China
  c.National Engineering Research Centre for High Efficiency Grinding, Hunan University, Changsha 410082, China
  d.Wuhan EasyMFG Technology CO., LTD, Wuhan 430074, China
- Author bio：
  
  wqs_xn@hust.edu.cn
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 52275333).
- DOI：10.1007/s10118-024-3077-9
  中图分类号：
- 纸质出版日期：2024-5-1，
  
  网络出版日期：2024-1-11，
  
  收稿日期：2023-10-31，
  
  修回日期：2023-11-28，
  
  录用日期：2023-12-6
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Sun, J. T.; Fan, Z. Y.; Mao, Y. W.; Li, W.; Zhu, W.; Cai, D. S.; Wei, Q. S. High speed sintering: assessing the influence of energy input on microstructure and mechanical properties of polyether block amide (PEBA) parts. Chinese J. Polym. Sci. 2024, 42, 675–682

Jiang-Tao Sun, Zhi-Yong Fan, Yi-Wei Mao, et al. High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts[J]. Chinese Journal of Polymer Science, 2024,42(5):675-682.
Sun, J. T.; Fan, Z. Y.; Mao, Y. W.; Li, W.; Zhu, W.; Cai, D. S.; Wei, Q. S. High speed sintering: assessing the influence of energy input on microstructure and mechanical properties of polyether block amide (PEBA) parts. Chinese J. Polym. Sci. 2024, 42, 675–682 DOI： 10.1007/s10118-024-3077-9.

Jiang-Tao Sun, Zhi-Yong Fan, Yi-Wei Mao, et al. High Speed Sintering: Assessing the Influence of Energy Input on Microstructure and Mechanical Properties of Polyether Block Amide (PEBA) Parts[J]. Chinese Journal of Polymer Science, 2024,42(5):675-682. DOI： 10.1007/s10118-024-3077-9.

摘要

Brief summary: This paper describes the effect of infrared lamp power on PEBA parts from the point of view of microstructure and mechanical properties. It proves the applicability of high-speed sintering process to PEBA materials. The forming parameters and performance parameters in this paper can provide guidance for its application.

Abstract

High speed sintering

a new powder-bed fusion additive manufacturing technology

utilizes infrared lights (IR) to intensely heat and melt polymer powders. The presence of defects such as porosity

which is associated with particle coalescence

is highly dependdent on the level of energy input. This study investigate the influcence of energy input on porosity and its subsequent effects on the mechanical properties and microstructures of PEBA parts. The parts were manufactured with a variety of lamp powers

resulting in a range of energy input levels spanning from low to high. Subsequebtly

they underwent testing using Archimedes’ method

followed by tensile testing. The porosity

mechanical characteristics

and energy input exhibit a strong correlation; inadequate energy input was the primary cause of pore formation. Using the reduced IR light power resulted in the following outcomes: porosity

ultimate tensile strength

and elongation of 1.37%

7.6 MPa

and 194.2%

respectively. When the energy input was further increased

the porosity was reduced to as low as 0.05% and the ultimate tensile strength and elongation were increased to their peak values of 233.8% and 9.1 MPa

respectively.

关键词

Keywords

High speed sinteringAdditive manufacturingEnergy inputPowder bed fusionPEBA

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