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学者姓名：索红莉
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Abstract ：
The possible connection mechanisms between the stacking fault energy (SFE) and rolling textures of Ni and Ni-W alloys were explored. The study comprised a systematic investigation of pure Ni, Ni-5 at.%W (Ni5W), and Ni-9 at. %W (Ni9W) alloys corresponding to combinations of a high SFE and copper-type texture, medium SFE and transition-type texture, and low SFE and brass-type texture, respectively. X-ray diffraction and electron backscatter diffraction were used to reveal the evolutions of the textures and microstructures. From the microstructure perspective, the low SFE sample tends to form a larger number of shear bands at the same strain than the high SFE sample, demonstrating that the shear bands play an important role in the formation of brass rolling textures. In addition, from the texture perspective, the low SFE samples have greater numbers of grains with high Schmid factor orientations. Samples with a high Schmid factor orientation have a stronger deformation ability than those with a low Schmid factor orientation (which dominated the low SFE sample). Moreover, grains with low Schmid factors have difficulty deforming, leading to stress concentrations around the grains and the formation of shear bands. This work can help researchers better explore the real reasons for different rolling textures.
Keyword ：
Ni and Ni-W alloys Ni and Ni-W alloys Stacking fault energy Stacking fault energy Rolling texture Rolling texture Microstructure Microstructure Schmid factor Schmid factor
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| GB/T 7714 | Ji, Yaotang , Suo, Hongli , Zhang, Zili . Connection between stacking fault energy and rolling-texture type in Ni and Ni-W alloys using Schmid factor as bridge [J]. | MATERIALS CHARACTERIZATION , 2025 , 224 . |
| MLA | Ji, Yaotang 等. "Connection between stacking fault energy and rolling-texture type in Ni and Ni-W alloys using Schmid factor as bridge" . | MATERIALS CHARACTERIZATION 224 (2025) . |
| APA | Ji, Yaotang , Suo, Hongli , Zhang, Zili . Connection between stacking fault energy and rolling-texture type in Ni and Ni-W alloys using Schmid factor as bridge . | MATERIALS CHARACTERIZATION , 2025 , 224 . |
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Abstract ：
This study systematically investigates the deformation behavior of Ni, Ni5W, and Ni9W alloys during tensile testing accompanied by electron backscatter diffraction (EBSD) analysis. During the plastic deformation stage, the loss of EBSD signals at grain boundaries is significantly influenced by the direction of tensile loading. Grain boundaries perpendicular to the tensile direction are prone to strain localization but do not typically result in the loss of EBSD signals. In contrast, grain boundaries parallel to the tensile direction frequently show EBSD signal loss. Further analysis indicates that, with increasing deformation, the grain behavior in Ni, Ni5W, and Ni9W samples diverges into two main trends: one trend involves grains rotating towards a low Schmid factor orientation, which effectively resists dislocation slip and results in the formation of specific texture; the other trend maintains a high Schmid factor orientation, aligns with dislocation slip, and leads to texture evolution. In summary, this study enhances the understanding of the tensile deformation in face-centered cubic (FCC) metals, providing a theoretical foundation for optimizing the mechanical properties of metallic materials.
Keyword ：
FCC FCC In-situ tensile In-situ tensile Grain orientation Grain orientation EBSD EBSD Schmid factor Schmid factor
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| GB/T 7714 | Ji, Yaotang , Suo, Hongli , Ma, Zhen et al. In-situ tensile analysis of microstructure evolution in Ni, Ni5W, and Ni9W using EBSD [J]. | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2025 , 36 : 1475-1490 . |
| MLA | Ji, Yaotang et al. "In-situ tensile analysis of microstructure evolution in Ni, Ni5W, and Ni9W using EBSD" . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 36 (2025) : 1475-1490 . |
| APA | Ji, Yaotang , Suo, Hongli , Ma, Zhen , Huang, Baoxu , Liu, Jianhua , Zhang, Zili et al. In-situ tensile analysis of microstructure evolution in Ni, Ni5W, and Ni9W using EBSD . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2025 , 36 , 1475-1490 . |
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Abstract ：
The metallic substrate of commercial REBCO tapes from eight different manufacturers has been systematically investigated. Tensile properties at both room temperature and 77 K were measured. The grain morphology, size, orientation, dislocation density, and internal stress of the grains on both the cross-section and surface of each tape were studied using EBSD. After an in-depth analysis of the relationship between yield strength and grain size, elemental composition, dislocation density, and twin boundaries, it has been preliminarily confirmed that dislocation density is a possible dominant factor in determining the yield strength of the metallic substrate of commercial REBCO tapes.The kernel average misorientation value (KAM) of the cross-section could be one of the best indicators for evaluating yield strength. Based on this analysis, potential methods for enhancing yield strength are also briefly discussed. This investigation aims to provide valuable insights for researchers to better understand the mechanical properties of REBCO tape.
Keyword ：
EBSD EBSD Yield strength Yield strength Hastelloy C-276 substrate Hastelloy C-276 substrate Commercial REBCO tape Commercial REBCO tape
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| GB/T 7714 | Liu, Yan , Suo, Hongli , Zhang, Zili et al. The possible dominant factors in the mechanical properties of the metallic substrates of various commercial REBCO tapes [J]. | PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS , 2025 , 629 . |
| MLA | Liu, Yan et al. "The possible dominant factors in the mechanical properties of the metallic substrates of various commercial REBCO tapes" . | PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 629 (2025) . |
| APA | Liu, Yan , Suo, Hongli , Zhang, Zili , Ji, Yaotang , Wang, Lei , Liu, Jianhua et al. The possible dominant factors in the mechanical properties of the metallic substrates of various commercial REBCO tapes . | PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS , 2025 , 629 . |
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Abstract ：
Face-centered cubic (FCC) metals exhibit varying stacking fault energies (SFE), which predominantly lead to the development of copper-type and brass-type textures during extensive deformation rolling. However, the mechanism underlying the formation of brass-type textures remains poorly understood. This study identifies the significant role of Goss-oriented texture in driving the development of brass-type texture in nickel-based metals. Despite its importance, the Goss-oriented texture has often been overlooked in studies focusing on the rolling texture of FCC metals due to its relatively low occurrence. This investigation explores the formation of Gossoriented texture during the rolling process of nickel-based metals and its influence on microstructural deformation. Research indicates that the formation of Goss-oriented texture primarily arises from two mechanisms: dislocation slip and twinning deformation of copper-oriented grains. While dislocation slip minimally affects the microstructure during metal rolling, twinning deformation induces stress concentration and the initiation of shear bands. These factors subsequently influence dislocation slip in copper-oriented grains, ultimately leading to the formation of brass-type rolling texture.
Keyword ：
Goss-oriented texture Goss-oriented texture Rolling texture Rolling texture Shear bands Shear bands Copper-oriented texture Copper-oriented texture Brass-type texture Brass-type texture
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| GB/T 7714 | Ji, Yaotang , Suo, Hongli , Chen, Tongtong et al. The role of Goss-oriented texture for brass-type texture in nickel-based metals during cold rolling [J]. | MATERIALS TODAY COMMUNICATIONS , 2024 , 41 . |
| MLA | Ji, Yaotang et al. "The role of Goss-oriented texture for brass-type texture in nickel-based metals during cold rolling" . | MATERIALS TODAY COMMUNICATIONS 41 (2024) . |
| APA | Ji, Yaotang , Suo, Hongli , Chen, Tongtong , Ma, Zhen , Huang, Baoxu , Zhang, Zili et al. The role of Goss-oriented texture for brass-type texture in nickel-based metals during cold rolling . | MATERIALS TODAY COMMUNICATIONS , 2024 , 41 . |
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Abstract ：
In this paper, the texture evolution of the Ni-5%W alloy baseband with different strain variables (epsilon(vM) = 3.9, 4.9, and 5.1) during rolling and annealing was studied using the electron back scattering diffraction (EBSD) technique. The results indicate that after high-temperature annealing at 1150 degrees C, all three strain levels of the alloy substrates can achieve a strong cubic texture, with a content exceeding 99% (<10 degrees). However, the texture evolution trajectory is significantly influenced by the strain level. When the content of cubic texture in the alloy substrates under strain levels of 3.9 and 5.1 is the same, significant temperature differences exist. Additionally, the different strain levels result in varying nucleation rates and growth rates of cubic texture in the Ni-5%W alloy substrates. The study reveals that in the alloy substrates under strain levels of 3.9 and 4.9, recrystallized cubic grain nuclei grow within a layered structure, resulting in larger grain sizes and lower nucleation rates. In contrast, in the alloy substrates under a strain level of 5.1, recrystallized cubic grain nuclei form from small equiaxed grains, leading to higher nucleation rates but smaller grain sizes, competing with random orientations. In the later stages of nucleation, recrystallized grains in the alloy substrates under a strain level of 5.1 exhibit a significant size advantage, rapidly growing by engulfing randomly oriented grains. Compared to the alloy substrates with lower strain levels, the recrystallized cubic grains in the alloy substrates under a strain level of 5.1 have higher nucleation rates and faster growth rates.
Keyword ：
annealing annealing electron backscatter diffraction electron backscatter diffraction texture texture functional alloys functional alloys nucleation and growth nucleation and growth
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| GB/T 7714 | Wang, Xufeng , Suo, Hongli , Ji, Yaotang et al. Analysis of the Ni-5%at.W Alloy Substrate Texture Evolution at Different Strain Levels Using the EBSD Technique [J]. | MATERIALS , 2024 , 17 (21) . |
| MLA | Wang, Xufeng et al. "Analysis of the Ni-5%at.W Alloy Substrate Texture Evolution at Different Strain Levels Using the EBSD Technique" . | MATERIALS 17 . 21 (2024) . |
| APA | Wang, Xufeng , Suo, Hongli , Ji, Yaotang , Zhang, Zili , Wang, Lanjin , Wang, Lei et al. Analysis of the Ni-5%at.W Alloy Substrate Texture Evolution at Different Strain Levels Using the EBSD Technique . | MATERIALS , 2024 , 17 (21) . |
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Abstract ：
In order to obtain the sharp cube texture, a new process, the intermediate annealing rolling technique, has been introduced to prepare the Ni7W substrate. In this paper, a cubic texture content up to 98.5% within 10 degrees of the standard cubic orientation is obtained in the final substrate and the influence of this improved rolling technique on the cube texture formation has been discussed. The results show that the increased cube texture in the Ni7W substrate is caused by the optimized deformation texture and the increased nucleated fraction of the cube grains.
Keyword ：
recrystallization recrystallization coated conductor coated conductor deformation texture deformation texture cube texture cube texture
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| GB/T 7714 | Zhao, Congcong , Suo, Hongli , Ji, Yaotang et al. The Mechanism of Cube Texture Formation in Ni-7 at%W Substrate [J]. | JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION , 2024 , 39 (5) : 1260-1269 . |
| MLA | Zhao, Congcong et al. "The Mechanism of Cube Texture Formation in Ni-7 at%W Substrate" . | JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION 39 . 5 (2024) : 1260-1269 . |
| APA | Zhao, Congcong , Suo, Hongli , Ji, Yaotang , Gao, Mangmang , Ma, Lin , Liu, Min . The Mechanism of Cube Texture Formation in Ni-7 at%W Substrate . | JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION , 2024 , 39 (5) , 1260-1269 . |
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Abstract ：
Building upon our previous database of the thermal, electrical, and mechanical properties of commercial REBCO tape, we have constructed a subsequent database focusing on the Cu layer of such tapes from eight distinct manufacturers. This database encompasses information pertaining to the geometry, purity, and grain orientation of the Cu layer. The primary objective of this database is to not only elucidate the material science of the Cu layer across various commercial tapes but also to establish correlations between the thermal, electrical, and mechanical properties and the aforementioned geometry, purity, and grain orientation parameters. After analysis, three significant findings have been validated. Firstly, the non-uniformity of geometry plays a critical role in the electrical resistivity in the radial direction, primarily through altering the actual contact surface area. Secondly, it has been observed that the total grain boundary length per micrometer thickness exhibits a nearly linear correlation with the thermal conductivity in the circumferential direction. Thirdly, the purity of the Cu layer in all the commercial REBCO tapes is lower than anticipated. It is our aspiration that this database will facilitate enhanced comprehension of the Cu layer in REBCO tapes among a broader spectrum of researchers.
Keyword ：
grain orientation grain orientation purity purity Cu stabilizer Cu stabilizer commercial REBCO tapes commercial REBCO tapes geometry geometry
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| GB/T 7714 | Li, Chengyang , Suo, Hongli , Zhang, Zili et al. The geometry, purity, and grain orientation database of the Cu stabilizer layer and the effect on the electrical and thermal properties of commercial REBCO tapes [J]. | SUPERCONDUCTOR SCIENCE & TECHNOLOGY , 2024 , 37 (12) . |
| MLA | Li, Chengyang et al. "The geometry, purity, and grain orientation database of the Cu stabilizer layer and the effect on the electrical and thermal properties of commercial REBCO tapes" . | SUPERCONDUCTOR SCIENCE & TECHNOLOGY 37 . 12 (2024) . |
| APA | Li, Chengyang , Suo, Hongli , Zhang, Zili , Zhou, Benzhe , Ma, Lin , Liu, Jianhua et al. The geometry, purity, and grain orientation database of the Cu stabilizer layer and the effect on the electrical and thermal properties of commercial REBCO tapes . | SUPERCONDUCTOR SCIENCE & TECHNOLOGY , 2024 , 37 (12) . |
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Abstract ：
As the composition elements in multi-principal element alloys increase, it can bring excellent mechanical properties. However, the strengthening mechanism of the additional element is still unclear. In this work, we establish a method based on the in-situ EBSD technology to explore the possible effect of additional elements on the intrinsic strength of tensile properties. We prepared four different multi-principal element alloys, including FeCoNi, FeCoNiMn, FeCoNiCr, and FeCoNiCrMn with similar initial status. We systematically investigated the evolution of the microstructure, dislocation density, twin boundary, grain size, and element distribution during the tensile process by in-situ EBSD and EDS. By carefully analyzing the results of four different multi-principal element alloys, the strength effects of the solid-solution hardening, grain-boundary hardening, twin boundary hardening, precipitate hardening, and dislocation hardening were peeled. The effect of the Cr and Mn element addition on the intrinsic strength can be explored. It is found that the element addition indeed increases the intrinsic strength from quaternary to quinary but not very clear from ternary to quaternary no matter Cr or Mn, which indicated that the intrinsic strength was more related to the number of elements in the alloy than to which element was present. This can be explained using the mixing entropy theory, which states that the intrinsic strength is enhanced when the mixing entropy is over a threshold between the MEA and HEA. This paper presents a method to study the individual factors affecting the tensile properties, which can help other researchers to better investigate HEA.
Keyword ：
Twin boundary Twin boundary Intrinsic strength Intrinsic strength Dislocation density Dislocation density In-situ EBSD tensile test In-situ EBSD tensile test Multi-principal alloy Multi-principal alloy Grain size Grain size
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| GB/T 7714 | Wang, Xufeng , Suo, Hongli , Zhang, Zili et al. Exploring the effect of Cr and Mn on the intrinsic strength of the tensile properties of FeCoNi, FeCoNiMn, FeCoNiCr, and FeCoNiCrMn multi-principal element alloys using in-situ EBSD [J]. | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING , 2024 , 918 . |
| MLA | Wang, Xufeng et al. "Exploring the effect of Cr and Mn on the intrinsic strength of the tensile properties of FeCoNi, FeCoNiMn, FeCoNiCr, and FeCoNiCrMn multi-principal element alloys using in-situ EBSD" . | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 918 (2024) . |
| APA | Wang, Xufeng , Suo, Hongli , Zhang, Zili , Huangfu, Shangxiong , Wang, Qiuliang . Exploring the effect of Cr and Mn on the intrinsic strength of the tensile properties of FeCoNi, FeCoNiMn, FeCoNiCr, and FeCoNiCrMn multi-principal element alloys using in-situ EBSD . | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING , 2024 , 918 . |
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Abstract ：
The quasi-in situ electron backscatter diffraction method was used to investigate the microstructure and orientation evolution of Cu-45 at.% Ni alloy during the recovery process. For the first time, the "triple junction" movement theory was verified in a Cu-Ni alloy instead of in the pure metal. The "Y-junction" movement was found to be the dominant recovery mechanism in the common lamellar grains. However, this theory did not apply to grains in the area deformed by shear. Unlike the microstructure evolution, the orientation evolution was the same in the areas not deformed and deformed by shear. All the Goss orientations were swallowed by other orientations, whereas all the cube orientations swallowed other orientations. This study helped better understand the recovery process in Cu-Ni and other face-centered cubic alloys after rolling and annealing processes.
Keyword ：
in situ EBSD in situ EBSD triple junction triple junction area deformed by shear area deformed by shear recovery recovery Cu-Ni alloy Cu-Ni alloy
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| GB/T 7714 | Tian, Hui , Suo, Hongli , Wang, Lanjin et al. Investigation of the Microstructure and Rolling Texture Evolution of Cu-45 at.% Ni Alloys during the Recovery Process by Quasi-In Situ Electron Backscatter Diffraction [J]. | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2023 , 33 (2) : 1007-1020 . |
| MLA | Tian, Hui et al. "Investigation of the Microstructure and Rolling Texture Evolution of Cu-45 at.% Ni Alloys during the Recovery Process by Quasi-In Situ Electron Backscatter Diffraction" . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE 33 . 2 (2023) : 1007-1020 . |
| APA | Tian, Hui , Suo, Hongli , Wang, Lanjin , Liu, Min , Ma, Lin , Zhang, Zili et al. Investigation of the Microstructure and Rolling Texture Evolution of Cu-45 at.% Ni Alloys during the Recovery Process by Quasi-In Situ Electron Backscatter Diffraction . | JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE , 2023 , 33 (2) , 1007-1020 . |
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Abstract ：
Hydrogen energy, as a clean and renewable energy, has attracted much attention in recent years. Water electrolysis via the hydrogen evolution reaction at the cathode coupled with the oxygen evolution reaction at the anode is a promising method to produce hydrogen. Given the shortage of freshwater resources on the planet, the direct use of seawater as an electrolyte for hydrogen production has become a hot research topic. Direct use of seawater as the electrolyte for water electrolysis can reduce the cost of hydrogen production due to the great abundance and wide availability. In recent years, various high-efficiency electrocatalysts have made great progress in seawater splitting and have shown great potential. This review introduces the mechanisms and challenges of seawater splitting and summarizes the recent progress of various electrocatalysts used for hydrogen and oxygen evolution reaction in seawater electrolysis in recent years. Finally, the challenges and future opportunities of seawater electrolysis for hydrogen and oxygen production are presented.
Keyword ：
metal phosphides metal phosphides seawater splitting seawater splitting electrocatalysts electrocatalysts metal nitrides metal nitrides metal oxides metal oxides
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| GB/T 7714 | Jiang, Siqi , Suo, Hongli , Zhang, Teng et al. Recent Advances in Seawater Electrolysis [J]. | CATALYSTS , 2022 , 12 (2) . |
| MLA | Jiang, Siqi et al. "Recent Advances in Seawater Electrolysis" . | CATALYSTS 12 . 2 (2022) . |
| APA | Jiang, Siqi , Suo, Hongli , Zhang, Teng , Liao, Caizhi , Wang, Yunxiao , Zhao, Qinglan et al. Recent Advances in Seawater Electrolysis . | CATALYSTS , 2022 , 12 (2) . |
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