The Effect of Selective Laser Melting Conditions on the Structure of an Alnico Alloy

The effect of main parameters of the selective laser melting (SLM) process on the structure and properties of permanent magnets made from an Alnico alloy is studied. Series of samples were prepared using various combinations of SLM conditions and spherical powder particles of an Alnico alloy prepare...

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Bibliographic Details
Published in:Physics of metals and metallography 2022-03, Vol.123 (3), p.227-237
Main Authors: Shakirov, I. V., Zhukov, A. S., Perevislov, S. N., Olisov, A. V.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Electrical and Magnetic Properties
Ferrous alloys
Laser beam melting
Magnetic alloys
Magnetic properties
Magnets, Permanent
Materials Science
Mechanical properties
Metallic Materials
Optimization
Permanent magnets
Physical properties
Powders
Process parameters
Rapid prototyping
Specialty metals industry
Spherical powders
Spraying
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Summary:The effect of main parameters of the selective laser melting (SLM) process on the structure and properties of permanent magnets made from an Alnico alloy is studied. Series of samples were prepared using various combinations of SLM conditions and spherical powder particles of an Alnico alloy prepared by melt spraying. A suitable range of manufacturing parameters is determined, which allows us to fabricate permanent magnets with an optimum structure. Conclusions about the effect of the main parameters of the SLM process on the surface morphology of the deposited alloy are inferred. The optimization of scanning conditions allows us to decrease the cracking and, therefore, to reach a high level of physical and mechanical properties of Alnico alloy samples.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X22030103