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Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second...
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Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second Volume)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Physics".

Deadline for manuscript submissions: closed (20 April 2025) | Viewed by 3699

Special Issue Editors

Prof. Dr. Zongbin Li

E-Mail Website
Guest Editor
Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, China
Interests: shape memory alloys; martensitic transformation; crystallography; magnetocaloric effect; elastocaloric effect
Special Issues, Collections and Topics in MDPI journals
Dr. Jun Zhou

E-Mail Website
Guest Editor
Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
Interests: nobel metal nanoparticles; nanocatalyst; structure catalyst

Special Issue Information

Dear Colleagues,

Solid-state phase transformation, as a classic topic in the field of materials science, has gained considerable attention for a long time. The use of such transformation not only allows substantial enhancement in the mechanical properties of structural materials but also induces some fascinating behaviors to functional materials. The discovery of some related functional activities in particular, e.g., shape memory effect, magnetocaloric effect and elastocaloric effect, has significantly promoted research progress. This Special Issue aims to provide a dedicated platform for sharing results concerning past accomplishments and future directions in the field of phase transformation, functional properties, and crystallography of advanced materials. We welcome review papers and original research articles on material design, microstructural characterization, and material property tuning, either via experimental techniques or theoretical approaches.

Prof. Dr. Zongbin Li
Dr. Jun Zhou
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • solid-state phase transformation
  • structural transformation
  • magnetic transition
  • microstructure
  • crystallography
  • shape memory alloys
  • magnetic shape memory alloys
  • magnetocaloric effect
  • elastocaloric effect
  • barocaloric effect

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Published Papers (4 papers)

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Research

14 pages, 12375 KiB  
Article
Effect of Ni Content on the Dissolution Behavior of Hot-Dip Tin-Coated Copper Wire and the Evolution of a Cu–Sn Intermetallic Compound Layer
by Qi Wang, Jinhan Zhang, Song Niu, Jinjin Fan, Shijun Tang, Shihong Tang, Ningkang Yin, Jingxuan Liu and Mingmao Li
Materials 2025, 18(8), 1714; https://doi.org/10.3390/ma18081714 - 9 Apr 2025
Viewed by 344
Abstract
The traditional hot-dip tinning processes face challenges in controlling excessive copper dissolution and interfacial instability. This study involved designing a dissolution experiment using the hot-dip tin plating process. Through microscopic characterization and dissolution kinetics analysis, it systematically revealed the regulatory mechanism of trace [...] Read more.
The traditional hot-dip tinning processes face challenges in controlling excessive copper dissolution and interfacial instability. This study involved designing a dissolution experiment using the hot-dip tin plating process. Through microscopic characterization and dissolution kinetics analysis, it systematically revealed the regulatory mechanism of trace Ni addition (0–0.5 wt.%) on the dissolution behavior and interfacial reaction of copper wire in a tin alloy melt. The experiment showed that Ni atoms formed a (Cu1−x,Nix)6Sn5 ternary phase by replacing Cu in the Cu6Sn5 lattice, resulting in a transformation of the grain morphology of the IMC layer from equiaxed to fibrous. At the same time, the addition of Ni changed the kinetics of the interfacial reaction, effectively increasing the activation energy from 40.84 kJ/mol in the pure Sn system to 54.21 kJ/mol in the Sn-0.5Ni system, which extended the complete dissolution time of the copper wire at 573 K by three times. Full article
(This article belongs to the Special Issue Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second Volume))
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14 pages, 9444 KiB  
Article
An Oriented Recrystallization Nucleation Mechanism of a Cold-Rolled Pure Ti with Electric-Pulse Treatment
by Qi Shi, Lei Wang, Xiu Song and Yang Liu
Materials 2024, 17(23), 5745; https://doi.org/10.3390/ma17235745 - 24 Nov 2024
Viewed by 638
Abstract
The effect of electric-pulse treatment (EPT) on the nucleation behavior of a cold-rolled pure Ti was investigated. The specimens are subjected to EPT and then annealed at 650 °C within 10 min. Both the electron backscatter diffraction (EBSD) and transmission electron microscope (TEM) [...] Read more.
The effect of electric-pulse treatment (EPT) on the nucleation behavior of a cold-rolled pure Ti was investigated. The specimens are subjected to EPT and then annealed at 650 °C within 10 min. Both the electron backscatter diffraction (EBSD) and transmission electron microscope (TEM) techniques were used for detailing the microstructural evolution of the specimens at the initial stage of recrystallization processing during annealing. The results show that oriented nucleation occurs in the EPTed specimen. The recrystallized grains form in a similar orientation with the deformed matrix grains, and the oriented nucleation originates from the deformed grains with <0001> poles tilted about 20° away from the normal direction (ND20 grains) in the EPTed specimen. Pyramidal <c + a> dislocations could be extensively activated in ND20 grains, while the activated dislocations were mainly on prismatic planes in the other oriented grains. Because the formation of sub-grains cannot be without the pyramidal <c + a> dislocation, oriented recrystallized grains easily form in the EPTed specimen. It is suggested that the increasing of pyramidal dislocation climbing activity is considered the key mechanism of the formation of sub-grains as well as oriented nucleation, resulting from high contents of vacancy induced by EPT. Full article
(This article belongs to the Special Issue Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second Volume))
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15 pages, 8933 KiB  
Article
Giant Elastocaloric Effect and Improved Cyclic Stability in a Directionally Solidified (Ni50Mn31Ti19)99B1 Alloy
by Honglin Wang, Yueping Wang, Guoyao Zhang, Zongbin Li, Jiajing Yang, Jinwei Li, Bo Yang, Haile Yan and Liang Zuo
Materials 2024, 17(19), 4756; https://doi.org/10.3390/ma17194756 - 27 Sep 2024
Cited by 1 | Viewed by 1165
Abstract
Superelastic shape memory alloys with an integration of large elastocaloric response and good cyclability are crucially demanded for the advancement of solid-state elastocaloric cooling technology. In this study, we demonstrate a giant elastocaloric effect with improved cyclic stability in a <001>A textured [...] Read more.
Superelastic shape memory alloys with an integration of large elastocaloric response and good cyclability are crucially demanded for the advancement of solid-state elastocaloric cooling technology. In this study, we demonstrate a giant elastocaloric effect with improved cyclic stability in a <001>A textured polycrystalline (Ni50Mn31Ti19)99B1 alloy developed through directional solidification. It is shown that large adiabatic temperature variation (|ΔTad|) values more than 15 K are obtained across the temperature range from 283 K to 373 K. In particular, a giant ΔTad up to −27.2 K is achieved by unloading from a relatively low compressive stress of 412 MPa at 303 K. Moreover, persistent |ΔTad| values exceeding 8.5 K are sustained for over 12,000 cycles, exhibiting a very low attenuation behavior with a rate of 7.5 × 10−5 K per cycle. The enhanced elastocaloric properties observed in the present alloy are ascribed to the microstructure texturing as well as the introduction of a secondary phase due to boron alloying. Full article
(This article belongs to the Special Issue Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second Volume))
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13 pages, 7695 KiB  
Article
Texture-Differentiated Grain Growth in Silicon Steel: Experiments and Modeling
by Songtao Chang, Yuhui Sha, Gengsheng Cao, Fang Zhang and Liang Zuo
Materials 2024, 17(12), 3037; https://doi.org/10.3390/ma17123037 - 20 Jun 2024
Viewed by 1014
Abstract
Grain growth for various texture components in silicon steel was investigated via experiments and modeling. It was found that the clustered spatial arrangement of grains with specific orientations significantly altered the local environment for grain growth and consequently resulted in texture-differentiated grain size [...] Read more.
Grain growth for various texture components in silicon steel was investigated via experiments and modeling. It was found that the clustered spatial arrangement of grains with specific orientations significantly altered the local environment for grain growth and consequently resulted in texture-differentiated grain size distribution (GSD) evolution. A novel local-field model was proposed to describe grain growth driven by continuous changing orientation and size distribution of adjacent grains. The modelling results show that the texture-differentiated grain growth in microstructure with grain clusters can produce a GSD with increased proportion in small-sized range and large-sized range by more than two-times, accompanied with an evident change in area fractions of various texture components. The effect of clustered spatial arrangement on grain growth can be precisely predicted, which is valuable to design and control the texture-differentiated GSD as well as the global GSD. Full article
(This article belongs to the Special Issue Phase Transformation, Functional Properties, and Crystallography of Advanced Materials (Second Volume))
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