Mechanical Alloying 2022
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Powder Metallurgy".
Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 4376
Special Issue Editor
Interests: mechanical alloying; materials characterization; composites; material reinforcement; sintering
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Material milling has been a fundamental interest in the mining industry, ceramics processing and, recently, in powder metallurgy. Typical objectives include mixing, grinding, comminuting, and particle morphology modification to increase the intimate interaction between components or facilitate synthesis steps. Although mechanical milling has been used globally at the laboratory level, there is now a considerable scale-up at the industrial level for the mass processing of materials.
Mechanical alloying (MA), a technique based on the grinding of materials, involves frequent and repetitive impacts which cause the plastic deformation, fracture and cold welding of the particles trapped between the collision points. In this way, the formation of micrometric, submicrometric, nanometric materials, composites and, finally, the transition from crystalline to amorphous structures occurs. Potential applications of mechanical milling are the possibility of alloying two or more metals in the solid-state or inducing chemical reactions at room temperature, generating highly refined final structures. An interesting aspect is the conversion of low free energy crystalline alloys to a high-energy metastable state. Although the fundamentals and mechanisms occurring during AM are not fully understood, there is great interest in the study of phases produced by this route trying to explain aspects associated with this type of induced solid-state reaction.
This Special Issue focuses on the synthesis, processing and study of the relationship between the physical property of mechanically processed materials as a direct consequence of their microstructural array. Submitted works should be related to state-of-the-art and technological challenges linked to MA. We hope you can contribute your research work and studies associated with the effect of MA over the structure and microstructure of alloys systems and their mechanical properties.
Dr. Ivanovich Estrada-Guel
Guest Editor
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Keywords
- mechanical alloying
- mechanical milling
- microstructure properties
- mechanical properties
- metals and alloys
- powder metallurgy
- sintering, characterization
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