Phase Transformations and Grain Boundaries of Metals and Alloys
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Crystallography and Applications of Metallic Materials".
Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 2938
Special Issue Editor
Special Issue Information
Dear Colleagues,
Despite intensive and increasing decarburization of different industrial sectors, metallic materials play a crucial role in a number of applications, especially when high mechanical resistance at elevated temperatures is required to guarantee the integrity of parts. Since the first use of metals when a customer had to adapt the intended application to the “fixed and natural” material properties, the performances of metals have been continuously evolving and are now carefully controlled via appropriate choice of alloys chemical compositions and processing routes. The direct microstructure–properties relationship in metallic materials is now well established—in other words, a “good” microstructure consisting of “good” phases results in “good” properties. Together with chemical composition, grain size, size, morphology, and distribution of second phase precipitates, grain boundaries (GBs) represent a unique and intrinsic parameter which can be used to control the properties of metallic polycrystalline materials. Due to the global tendency toward miniaturization (in nanoelectronics, for example) and intensive research on nanograined metals, GBs have manifested a multitude of features to act on properties, as they are preferential nucleation sites, part of matter with different composition and significantly increased rate of diffusion and, more recently, with specific phase transitions, as compared to the bulk. The objective of the present Special Issue is to present recent achievements in the investigation of interaction between phase transformations and grain boundaries in metallic alloys. Experimental and theoretical (and/or modeling) aspects are both covered.
Dr. Vladimir A. Esin
Guest Editor
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Keywords
- phase transformations
- grain boundaries
- diffusion
- segregation
- precipitation
- martensitic transformation
- spinodal decomposition
- modeling
- metallic alloys
- properties
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