首页|Laser powder bed fusion of the Mn-Cu alloys: Printability, microstructure, and mechanical properties
Laser powder bed fusion of the Mn-Cu alloys: Printability, microstructure, and mechanical properties
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NSTL
Elsevier
Mn-Cu alloys with high Mn contents have good damping capacity but poor workability and mechanical properties. In this research, laser powder bed fusion (LPBF) was applied to fabricate the Mn-Cu alloys (Mn63Cu37, Mn73Cu27, and Mn82Cu18) based on mixed element powders. The printability, microstructure and mechanical properties of the as-fabricated Mn-Cu alloys were investigated through a series of characterization methods. The results indicate that the Mn-Cu alloys with high relative densities (99.76–99.85%) can be fabricated using the optimal processing parameters. The as-fabricated Mn-Cu alloys show higher strengths (537.5–589.6 MPa) and yield strengths (404.0–440.1 MPa) than those of commercial Mn-Cu alloys fabricated by conventional methods. The tensile strength presents an overall downward trend with increasing Mn content. Thus, LPBF can be considered as a promising method to fabricate Mn-Cu alloys with high Mn contents.
Laser powder bed fusionMixed element powdersMn-Cu alloysTensile properties
Zhao C.、Wang Z.、Yang J.、Li G.
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Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology
The Institute of Technological Sciences Wuhan University
NSTL
Elsevier
