Journal of Magnesium and Alloys最新文献

{"title":"A review of anticorrosive, superhydrophobic and self-healing properties of coating-composites as corrosion barriers on magnesium alloys: Recent advances, challenges and future directions","authors":"Babalola Aisosa Oni ,&nbsp;Olusegun Stanley Tomomewo ,&nbsp;Solomon Evro ,&nbsp;Andrew N. Misiani ,&nbsp;Samuel Eshorame Sanni","doi":"10.1016/j.jma.2025.05.013","DOIUrl":"10.1016/j.jma.2025.05.013","url":null,"abstract":"<div><div>Magnesium and its alloys have gained relevance for their light-weight combined with a high value of strength-to-weight ratio, which makes them useful in fields such as aerospace, automotive as well as biomedical engineering. Unfortunately, the poor corrosion resistance of Mg-alloys limits their wide acceptance. Advanced composite coatings which are self-healing, superhydrophobic anti corrosive, and wear resistant are new synthetic materials for abating these challenges. The superimposed superhydrophobic surfaces help in minimizing their water contact, thus slowing down the electrochemical reactions on the surface of the alloys, while their self-healing characteristics autonomously aid in the repair of any induced micro-crack, defect or damage towards ensuring the metal’s long-term protection. In addition, the integration of wear-resistant materials further improves the durability of coatings under mechanical stress. The most recent research efforts have been directed towards the preparation of multifunctional composites, with an emphasis on nanomaterials, functional polymers, and state-of-the-art fabrication techniques in order to take advantage of their synergistic effects. Some of the methods that have so far exhibited promising potentials in fabricating these materials include the sol-gel method, layer-by-layer assembly, and plasma treatments. However, most of the fabricated products are still faced with significant challenges ranging from long-term stability to homogeneous adhesion of the coatings and their scalability for industrial applications. This review discusses the recent progress and the relationship between corrosion inhibition and self-healing efficiencies of wear resistant polymer nanocomposite coatings. Some challenges related to optimizing coating performance were also discussed. In addition, future directions ranging from the consideration of bioinspired designs, novel hybrid nanocomposite materials, and environmentally sustainable solutions integrated with smart protective coatings were also proposed as new wave technologies that can potentially revolutionize the corrosion protection offered by Mg alloys while opening up prospects for improved performance and sustainability.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2435-2469"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144337882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of unusual texture on tension-compression asymmetry for Mg-RE alloy by viscoplastic self-consistent modeling","authors":"Xiaohua Zhang ,&nbsp;Rui Zhou ,&nbsp;Chao Li ,&nbsp;Hongyan Yue ,&nbsp;Qiang Chen","doi":"10.1016/j.jma.2024.08.008","DOIUrl":"10.1016/j.jma.2024.08.008","url":null,"abstract":"<div><div>The tension-compression asymmetry presents notable challenges for the application of magnesium alloys in many fields. In this study, the solid-solution treated Mg-8.5Gd-4.5Y-0.8Zn-0.4Zr alloy's tension-compression asymmetry was examined using optical microscope (OM), x-ray diffraction (XRD), viscoplastic self-consistent (VPSC) modeling, and electron backscatter diffraction (EBSD). The VPSC hardening parameters were significantly adjusted based on the Schmid factor of deformation modes in rare earth magnesium (Mg-RE) alloy, which came from the EBSD data. Excellent agreement was found between the modified VPSC model's calculation results, especially the stress-strain curves and pole figures. The alloy exhibited good strength with a negligible tension-compression asymmetry and an impressive 0.98 ratio of compressive yield strength to tensile yield strength (CYS/TYS). The main cause could be attributed to the unusual texture of (11-20) &lt;0001&gt; in alloy, which eliminated the imbalance in tension and compression deformation by having a negative effect on the activation of {10-12} twinning in tensile and a positive effect in compressive deformation. The activation level of {10-12} twinning was 0.37 and 0.40 calculated by VPSC model, in the plastic deformation of tension and compression, respectively; in the tensile and compression samples, the EBSD data indicated that approximately 31.9% and 31.1% (area proportion) of the grains were deformed with twins, respectively. Both tension and compression deformation showed the {10-12} twinning in the early stage of deformation, which transformed to {11-22} twinning in the later stage. The considerable activation of pyramidal &lt;c+a&gt; during the later stages of deformation endowed the alloy with good ductility.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2800-2812"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144623765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clarifying the adverse effect of secondary phase on the tribological property of Mg alloy","authors":"Jie Li ,&nbsp;Ting Zou ,&nbsp;Junjie Yang ,&nbsp;Helong Yu ,&nbsp;Peng Zhang ,&nbsp;Xiaochao Ji ,&nbsp;Xin Zhao ,&nbsp;Zhiyong Yan ,&nbsp;Wei Li","doi":"10.1016/j.jma.2025.02.003","DOIUrl":"10.1016/j.jma.2025.02.003","url":null,"abstract":"<div><div>Introduction of hard particles is considered an effective approach to improve alloy wear resistances. However, the wear resistances of Mg alloys could be deteriorated by increasing the hard particle content in many researches. To reveal the underlying negative effect of precipitate on the wear resistance, the wear behaviors of three AZ-Mg alloys (precipitate contents: AZ31: 2.1%, AZ61: 3.8%, AZ91: 5.0%) at the axial loads of 3 and 15 N were investigated. The results indicated that although wear volume of the AZ-Mg alloys decreased with the increasing Mg₁₇Al₁₂ content at 3 N (0.30→0.24→0.20 µm³) and 15 N (1.04→0.88→0.85 µm³), the relative wear resistances of AZ61 and AZ91 to AZ31 decreased with increasing load (AZ61: 1.25→1.17, AZ91: 1.50→1.22) and the reduction was proportional to the precipitates content (AZ61:7%, AZ91:28%). That is because the wear volume of AZ-Mg was mainly attributed to micro-cutting, which was negatively correlated with the precipitate content and tribolayer hardness. However, the wear hardening ability of AZ-Mg alloys was weakened by precipitate for its inhibition on the formation of mechanical twins that the precursors for the tribolayer. Moreover, the inhibition of the precipitate on tribolayer could be amplified by the load, resulting in an increase in tribolayer hardness at 3 N (AZ31: 0.94, AZ61: 1.03, AZ91: 1.10 GPa) but a decrease at 15 N (AZ31: 1.77, AZ61: 1.73, AZ91: 1.62 GPa). Therefore, the formation of twin was inhibited by precipitates, which is detrimental to the wear resistance of Mg alloys. That means the wear resistance could be enhanced by promoting twin formation, which provides a new concept for the design of wear-resistant Mg alloys.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2699-2710"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143532565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of composition ratio of TiCu precursor on dealloying behavior in molten Mg and microstructural characteristics of Mg-Ti composites","authors":"Jee Eun Jang ,&nbsp;Bo Hyun Park ,&nbsp;Soo-Hyun Joo ,&nbsp;Sung Hyuk Park","doi":"10.1016/j.jma.2025.04.003","DOIUrl":"10.1016/j.jma.2025.04.003","url":null,"abstract":"<div><div>Metal composites produced through the liquid metal dealloying (LMD) process feature an advanced matrix-matrix composite structure, where two metallic materials form a continuous, three-dimensional interconnected network. This study investigates the effects of TiCu precursor compositions on dealloying behavior and microstructural evolution in liquid Mg, using Ti₅₀Cu₅₀ and Ti₃₀Cu₇₀ precursors. The initial microstructure of the precursor significantly influences dealloying kinetics and phase transitions. The single-phase Ti₅₀Cu₅₀ precursor exhibits a faster initial dealloying rate due to its homogeneous structure, yet complete dealloying requires 90 min. In contrast, the dual-phase Ti₃₀Cu₇₀ precursor achieves complete dealloying in 30 min, demonstrating the impact of a higher Cu concentration on accelerating the process kinetics. Additionally, the study explores the coarsening behavior and hardness variations during the LMD process, along with the microstructural characteristics of Mg-Ti composites fabricated from these two precursors. The findings highlight the critical role of precursor composition in tailoring the microstructure and properties of Mg-Ti composites produced through the LMD process, demonstrating its potential for advanced composite material manufacturing.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2784-2799"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143866200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of grain and twin boundaries on discontinuous precipitation of Mg17Al12 phase in Mg-Al alloy","authors":"Yi Wang,&nbsp;Fei Guo,&nbsp;Luyao Jiang,&nbsp;Hang Yu,&nbsp;Gege Wang,&nbsp;Congren Shen,&nbsp;Zhongwei Wang,&nbsp;Linjiang Chai,&nbsp;Yanlong Ma","doi":"10.1016/j.jma.2024.11.007","DOIUrl":"10.1016/j.jma.2024.11.007","url":null,"abstract":"<div><div>Mechanism of discontinuous precipitation (DP) in AZ80 alloy was investigated by phase-orientation correlated characterization. The results show DPs nucleate by turning the original grain boundaries (GBs) as reaction front (RF), and further driving the RF to realize their growth. The DPs regions retained the same orientations as their parent grains. The misorientation angle and rotation axis of RFs had strong influence on DPs nucleation. The low-angle GBs, twin boundaries (TBs) and the GBs with specific misorientation axis which are known as low energy and low mobility GBs can hardly initiate DPs. In addition, the TBs had a strong ability to inhibit the growth of DPs, but it should be noticed that the growth of DPs cannot be totally inhibited by TBs. DPs can engulf the twins when the growth direction is approximately parallel to the long axis of TBs. The inhibition behavior is related to the distribution of Al solute atoms near the RF, boundary interactions of the TBs and twin tips with the RF, and the morphology of the continuous precipitations within the twins.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2855-2865"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142718664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting grain boundary segregation in magnesium alloys: An atomistically informed machine learning approach","authors":"Zhuocheng Xie ,&nbsp;Achraf Atila ,&nbsp;Julien Guénolé ,&nbsp;Sandra Korte-Kerzel ,&nbsp;Talal Al-Samman ,&nbsp;Ulrich Kerzel","doi":"10.1016/j.jma.2025.03.021","DOIUrl":"10.1016/j.jma.2025.03.021","url":null,"abstract":"<div><div>Grain boundary (GB) segregation substantially influences the mechanical properties and performance of magnesium (Mg). Atomic-scale modeling, typically using ab-initio or semi-empirical approaches, has mainly focused on GB segregation at highly symmetric GBs in Mg alloys, often failing to capture the diversity of local atomic environments and segregation energies, resulting in inaccurate structure-property predictions. This study employs atomistic simulations and machine learning models to systematically investigate the segregation behavior of common solute elements in polycrystalline Mg at both 0 K and finite temperatures. The machine learning models accurately predict segregation thermodynamics by incorporating energetic and structural descriptors. We found that segregation energy and vibrational free energy follow skew-normal distributions, with hydrostatic stress, an indicator of excess free volume, emerging as an important factor influencing segregation tendency. The local atomic environment’s flexibility, quantified by flexibility volume, is also crucial in predicting GB segregation. Comparing the grain boundary solute concentrations calculated via the Langmuir-McLean isotherm with experimental data, we identified a pronounced segregation tendency for Nd, highlighting its potential for GB engineering in Mg alloys. This work demonstrates the powerful synergy of atomistic simulations and machine learning, paving the way for designing advanced lightweight Mg alloys with tailored properties.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2636-2650"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143866199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimizing the fluidity in thin-section investment casting for vacuum induction molten AZ91D-1 wt.% CaO","authors":"V.H. Carneiro ,&nbsp;V. Lopes ,&nbsp;I. Duarte ,&nbsp;H. Puga","doi":"10.1016/j.jma.2025.04.028","DOIUrl":"10.1016/j.jma.2025.04.028","url":null,"abstract":"<div><div>This paper discusses an experimental investigation into the fluidity of AZ91D-1 wt.% CaO magnesium melt via induction for thin-section investment casting. Plaster molds with thin spiral cavities (0.5 to 1.5 mm square sections) were designed and manufactured to assess the impact of casting conditions on filling length, as magnesium alloys cause severe melting and melt-mold exothermic reactions, making investment casting challenging. Combinations of traditional Mg-mold reaction mitigation techniques, such as applying a protective mold coating (Yttria) and vacuum, were examined to determine their role in the filling process. The results suggest that when induction is employed to melt reactive alloys, these methods are not always beneficial, as initially thought. Particularly at higher melt temperatures, the combination of Yttria-coated molds with low-pressure vacuum induction significantly reduce fluidity: vacuum induced melt levitation which promotes oxidation with the residual atmosphere; and Yttria-coating cracking due to thermal stress during the mold fabrication slows filling and promotes significant melt-mold reaction. This study shows that best results to investment cast thin-sections are obtained by avoiding both vacuum and protective coatings, providing a viable route for the precision manufacturing of stent biomedical devices.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2845-2854"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing comigration-ability of Mg2Sn particles with Mg matrix via interphase segregation of Zn","authors":"R. Wang ,&nbsp;C.F. Fang ,&nbsp;J. Chen ,&nbsp;A. Liu ,&nbsp;C.J. Li ,&nbsp;S.B. Mi ,&nbsp;M. Yao ,&nbsp;Y.M. Wang","doi":"10.1016/j.jma.2024.06.006","DOIUrl":"10.1016/j.jma.2024.06.006","url":null,"abstract":"<div><div>This study investigates the impact of Zn alloying on the dispersion of the reinforcing particle in Mg₂Sn/Mg composites. In the composite, Zn manifests in three distinct forms: Zn segregation layer between Mg<img>Mg₂Sn, the solid solution and the MgZn₂ phase. First-principles calculations confirm that the formation of Zn segregation layer decreases the interfacial energy of the Mg<img>Mg₂Sn. Importantly, this segregation layer significantly enhances the comigration capability of Mg₂Sn particles with Mg matrix during sintering flow, effectively hindering the agglomeration and coarsening of the nano-sized reinforcing phase. The dense and uniformly distributed nano-sized Mg₂Sn significantly increases the activity of non-basal slip, ensuring good elongation of the composite while enhancing strength. It can be concluded that enhancing the comigration-ability of reinforcing particles with the matrix is an effective strategy for achieving controlled dispersion of high-volume reinforcing particles and an excellent combination of strength and ductility in magnesium matrix composites.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 6","pages":"Pages 2769-2783"},"PeriodicalIF":15.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141712939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synergistic optimization of efficiency-microstructure-performance in wire-arc additive manufacturing of AZ31 magnesium alloy","authors":"Zihao Jiang, Caiyou Zeng, Zijin Chang, Ziqi Li, Yuan Zhao, Baoqiang Cong","doi":"10.1016/j.jma.2025.04.026","DOIUrl":"https://doi.org/10.1016/j.jma.2025.04.026","url":null,"abstract":"In wire arc additive manufacturing (WAAM), a trade-off exists among deposition efficiency, microstructure, and mechanical properties. Addressing this challenge, this work proposes an innovative multi-objective optimization framework tailored for WAAM of AZ31 magnesium alloy components, which integrates deposition efficiency and microstructure as coupled objectives and is resolved through the NSGA-II algorithm. The proposed framework employs quadratic regression to correlate process parameters with deposition efficiency through geometric morphology mediation, while addressing uncertainties in WAAM by integrating theoretical insights with data-driven stacked ensemble learning for grain size prediction, establishing the hybrid physics-informed data method for WAAM microstructure prediction<em>.</em> The optimized process achieved a deposition rate of 6257 mm³/min, with effective width and average layer height maintained at 10.1 mm and 4.13 mm, respectively. Microstructural optimization produced a fine, uniform, fully equiaxed grain structure with an average grain size of 38 μm. These findings underscore the significant industrial potential of intelligent optimization strategies in WAAM for manufacturing lightweight, high-performance components in aerospace and transportation sectors.","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"9 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative study of dynamic recrystallization behavior, microstructural characteristics, and mechanical properties of high-speed-extruded AZ31 and BA56 magnesium alloys","authors":"Gun Woong An, Sang-Cheol Jin, Taekyung Lee, Sumi Jo, Sung Hyuk Park","doi":"10.1016/j.jma.2025.04.020","DOIUrl":"https://doi.org/10.1016/j.jma.2025.04.020","url":null,"abstract":"This study compares the microstructural evolution, dynamic recrystallization (DRX) behavior, tensile properties, and age-hardenability between the newly developed high-speed-extrudable BA56 alloy and those of the widely recognized AZ31 alloy in industry. Unlike the AZ31 alloy, which retains partially unrecrystallized grains, the high-speed-extruded BA56 alloy demonstrates a coarser but entirely recrystallized and more homogeneous microstructure. The fine-grained structure and abundant Mg₃Bi₂ particles in the BA56 extrusion billet significantly enhance its DRX behavior, thus enabling rapid and complete recrystallization during extrusion. The BA56 alloy contains band-like fragmented Mg₃Bi₂ particles and numerous fine Mg₃Bi₂ particles distributed throughout the material, in contrast to the sparse Al₈Mn₅ particles in the AZ31 alloy. These features contribute to superior mechanical properties of the BA56 alloy, which achieves tensile yield and ultimate tensile strengths of 205 and 292 MPa, respectively, compared to 196 and 270 MPa for the AZ31 alloy. The superior strength of the BA56 alloy, even with its coarser grain size, can be explained by its elevated Hall-Petch constant and the strengthening contribution from the fine Mg₃Bi₂ particles. Additionally, the BA56 alloy demonstrates significant age-hardenability, achieving a 22% enhancement in hardness following T5 aging, attributed to the precipitation of nanoscale Mg₃Bi₂ and Mg₁₇Al₁₂ phases. By contrast, the AZ31 alloy shows minimal hardening due to the absence of precipitate formation during aging. These findings suggest that the BA56 alloy is a promising candidate for the production of extruded Mg components requiring a combination of high productivity, superior mechanical performance, and wide-ranging process adaptability.","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"83 1","pages":""},"PeriodicalIF":17.6,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}