Structural features of near equiatomic FeCo-2V semi-hard magnetic alloy prepared by MIM technology
Source abstract
Abstract
The structural properties of a magnetically semi-hard near equiatomic FeCo-2wt%V (FeCoV) alloy produced by Powder Injection Moulding (PIM) (option by fine metal powder - Metal Injection Moulding (MIM) technology) were investigated in this paper. Starting granulate was prepared by mixing FeCoV powder with a low-viscosity binder. After injection, the green samples were first treated with a solvent and then thermally with the same aim of removing the binder. MIM technology was completed by high-temperature sintering for 3.5 hours at temperatures from 1370 to 1460?C in a hydrogen atmosphere, which provides the necessary magnetic and mechanical characteristics. The influence of sintering temperature was investigated concerning the aspects of the processes of structural transformation by the methods of X-ray diffraction (XRD) and scanning electron microscopy (SEM). The appearance of an intense diffraction peak of the ?'- FeCo phase (crystal structure type B2) was registered for all investigated samples. Structural parameters particle size Dmax, Feret X, and Feret Y exhibit constant increase with increase of sintering temperature.
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Research context
OpenAlex topics: Powder Metallurgy Techniques and Materials · Metal Alloys Wear and Properties · Injection Molding Process and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Technical Sciences, University of Kragujevac, Čačak, Serbia
University of Belgrade, Faculty of Agriculture, Belgrade, Serbia
Institute of Technical Sciences of SASA, Belgrade, Serbia
Funding
Ministry of Education, Science and Technological Development of the Republic of Serbia
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