Peer-reviewed veterinary case report
The Effect of Laser Remelting during SLM on Microstructure and Mechanical Properties of CoCrFeNiNb<sub>0.25</sub>.
- Year:
- 2024
- Authors:
- Yang Z et al.
- Affiliation:
- College of Materials Science and Technology · China
Abstract
A sub-eutectic high-entropy alloy composed of CoCrFeNiNb<sub>0.25</sub> was prepared using a combination of mechanical powder mixing and selective laser melting (SLM). The mechanical properties of the alloy were enhanced by employing an interlayer laser remelting process. This study demonstrates the feasibility of using mechanical mixing and SLM to form an CoCrFeNiNb<sub>0.25</sub> alloy. The interlayer laser remelting process can effectively promote the melting of Nb particles introduced by mechanical mixing, release the stresses near the unfused Nb particles, and reduce their degradation of the specimen properties. The results indicate that the CoCrFeNiNb<sub>0.25</sub> alloy, prepared using the interlayer laser remelting process, had an average microhardness of 376 HV, a tensile strength of 974 MPa, and an elongation at break of 10.51%. This process offers a viable approach for rapidly adjusting the composition of high-entropy alloys for SLM forming.
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Search related cases →Original publication: https://europepmc.org/article/MED/38730868