Surface & Coatings Technology最新文献

{"title":"Achieving a self-densified conversion coating architecture by the bath composition design towards a multi-step nucleation pathway","authors":"Siyu Sun ,&nbsp;Yuxin Zhang ,&nbsp;Jiaxi Liu ,&nbsp;Ruoyun Lei ,&nbsp;Peng Zhou ,&nbsp;Fuhui Wang ,&nbsp;Li Xin ,&nbsp;Tao Zhang","doi":"10.1016/j.surfcoat.2025.132225","DOIUrl":"10.1016/j.surfcoat.2025.132225","url":null,"abstract":"<div><div>Achieving a self-densified conversion coating on magnesium alloy is the ultimate goal for a prolonged service life. Such a goal should be achieved by modulating the nucleation process, which poses the greatest challenge. In this work, a new designing rationale for the conversion bath was proposed to facilitate a multi-step nucleation process by thermodynamic calculations, thereby reducing coating defects and improving corrosion resistance. The selection of cation candidates should comply with the following rules: firstly, the solubility product (<em>K</em>_sp) value should be low enough for precipitation; secondary, the <em>K</em>_sp values among different species should not deviate significantly from each other. The phosphate conversion bath was used as an example to validate the idea. Results demonstrate that a self-densified conversion coating architecture when Mn- and Ca-containing salt were simultaneously added. The coating exhibits both excellent protectiveness and durable wet adhesive strength. This work offers a new perspective concerning the design of the conversion bath with optimal protectiveness.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132225"},"PeriodicalIF":5.3,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143921619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cold-sprayed Cu-WC/Cu/Cu-Ni@W multilayer deposits for high-quality repair of Cu alloy electromagnetic rails","authors":"JianYu Liu,&nbsp;Qiao Liu,&nbsp;XiaoTao Luo,&nbsp;ChangJiu Li","doi":"10.1016/j.surfcoat.2025.132233","DOIUrl":"10.1016/j.surfcoat.2025.132233","url":null,"abstract":"<div><div>In electromagnetic launch systems, the harsh service conditions coupling of electrical arc erosion, high temperature friction and high frequency of thermal shock make the surface of the high strength Cu alloy rail easily damaged. The conventional high-strength alloy repair layer faces challenges in balancing electrical conductivity with wear and arc erosion resistance. Addressing this challenge, in the present work, a novel multilayered repairing strategy is introduced by cold spraying pure Cu and Cu-based composite deposits for synergistically improving/balancing the adhesion, electrical conductivity and surface protection performance. The effects of the multilayered deposit structure design, strengthening particle surface modification, and heat treatment on adhesion, electrical conductivity, wear and arc erosion resistance of the deposits are investigated. An optimized multilayered structure composed of a Cu-WC bond coat, a pure Cu middle layer and a composite top layer deposited with Cu-Ni-clad W (Ni@W) powder is achieved. As compared with spraying pure Cu, an increase in adhesion from 14 MPa to 66 MPa is achieved via introducing Cu-WC composite bond coat on the CuCrZr substrate. For the top composite layer, as the Ni@W particles are used to strengthen pure Cu, the friction coefficient and wear rate decreases from 0.37 and 3.2 × 10⁻⁵ mm³·(N·m)⁻¹ to 0.14 and 2.3 × 10⁻⁵ mm³·(N·m)⁻¹, respectively, and the arc erosion depth and area decreased by 31.1 % and 81.0 % with the breakdown intensity improved by 50.6 % relative to the CuCrZr substrate. Meanwhile, a high electrical conductivity of 77.7 %IACS through the thickness direction is detected for the optimized multilayered deposit. Finally, a practical repair demonstration done on V-grooved CuCrZr substrates confirms the structural integrity and machinability of the cold sprayed multilayer composite deposit. The present work is attempted to offer a viable solution for improve the service performance and extending the service life of the metallic structures used in coupled harsh conditions.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132233"},"PeriodicalIF":5.3,"publicationDate":"2025-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143907909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oxidation and failure mechanisms of CoCrFeNiMo HEA coatings at 1000 °C: Insights into TGO evolution and interface diffusion","authors":"Weilun Deng ,&nbsp;Shengwei Wang ,&nbsp;Tianyi Zhang ,&nbsp;Jianlei Zhang ,&nbsp;Qijie Zhai ,&nbsp;Changsheng Zhai ,&nbsp;Hongxing Zheng","doi":"10.1016/j.surfcoat.2025.132229","DOIUrl":"10.1016/j.surfcoat.2025.132229","url":null,"abstract":"<div><div>This study investigates the oxidation behavior and failure mechanisms of CoCrFeNiMo high-entropy alloy (HEA) coatings fabricated <em>via</em> high-velocity oxygen fuel (HVOF) spraying and high-frequency induction remelting. At 1000 °C, the thermally grown oxide (TGO) developed a dual-layer structure: a dense Cr₂O₃ inner layer, formed by Cr³⁺ and O²⁻ diffusion, and an outer layer of Cr-, Fe-, and Mo-rich composite oxides driven by oxygen ion diffusion. After 5 h of exposure, the TGO reached 30 μm with initial crack formation, while after 200 h, it exceeded 50 μm, showing severe outer-layer degradation due to internal stress, crack propagation, and void formation. Fe/Mo interdiffusion at the coating-steel substrate interface promoted Fe₆₃Mo₃₇ R-phase formation. Electron backscatter diffraction (EBSD) analysis revealed refined grains, twinning, and recrystallization within the coating, enhancing high-temperature stability. These findings offer insights into the oxidation and failure mechanisms of CoCrFeNiMo HEA coatings, supporting their optimization for extreme high-temperature applications.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"509 ","pages":"Article 132229"},"PeriodicalIF":5.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Water‑oxygen corrosion and thermal shock behavior of a single-layer Yb-Al-Si-O glass-ceramics environmental barrier coating on SiCf/SiC at 1350 °C","authors":"Xinyu Meng ,&nbsp;Chenxi Liang ,&nbsp;Chun Guo ,&nbsp;Shaobo Yang ,&nbsp;Yujie Ma ,&nbsp;Bo Chen ,&nbsp;Juanli Deng ,&nbsp;Shangwu Fan","doi":"10.1016/j.surfcoat.2025.132228","DOIUrl":"10.1016/j.surfcoat.2025.132228","url":null,"abstract":"<div><div>High-density and high-strength SiC_f/SiC composites were obtained utilizing CaO-Yb₂O₃-Al₂O₃-SiO₂ (CYbAS) glass-ceramics for matrix modification, alongside Yb₂O₃-Al₂O₃-SiO₂ (YbAS) glass-ceramics for environmental barrier coating (EBC). The durability of the single-layer YbAS coating was evaluated by assessing its resistance to water‑oxygen corrosion and thermal shock, in order to ascertain its potential as an advanced EBC. The results indicated that the YbAS coating significantly reduced the growth rate of thermally grown oxide (TGO) in a 50 vol% H₂O-50 vol% O₂ environment at 1350 °C. Additionally, a water-cooled thermal shock test conducted in air at 1350 °C revealed no evidence of penetrative cracks or TGO formation within the coating. These results underscore the potential application of YbAS coating in high-temperature corrosive environments.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"509 ","pages":"Article 132228"},"PeriodicalIF":5.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation on the growth mechanism and properties of AO-PEO composite coating on 304 stainless steel prepared by two-step process","authors":"Hongkang Pan ,&nbsp;Hailin Lu ,&nbsp;Zhengwen Zhang ,&nbsp;Zhanshuai Fan ,&nbsp;Zihan Liu ,&nbsp;Shuangshuang Zhi","doi":"10.1016/j.surfcoat.2025.132230","DOIUrl":"10.1016/j.surfcoat.2025.132230","url":null,"abstract":"<div><div>Plasma electrolytic oxidation (PEO) technology is an effective means to improve the surface performance of metal parts, but this method is not suitable for non-valve metal 304 stainless steel. Because 304 stainless steel contains a large amount of Cr element, it will hinder the rise of voltage during the PEO process, thus causing the PEO process to fail. In order to achieve PEO on 304 stainless steel, anodic oxidation (AO) was used as a pretreatment in this study. The experimental outcomes display that compared to 304 stainless steel, after PEO treatment, the hardness of the sample enhanced by 139.32 %, the scratch width under 3 N and 5 N load conditions reduced by 46.47 % and 44.07 % respectively, and the corrosion current density i_corr reduced by two orders of magnitude. This study not only addressed the issue of applying PEO technology on the surface of 304 stainless steel, but also prepared a coating with outstanding friction and corrosion resistance. It provides a new method for improving the performance of 304 stainless steel in the future.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"509 ","pages":"Article 132230"},"PeriodicalIF":5.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143902414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on self-healing electrophoretic composite coatings on magnesium alloys: Modification mechanism of cerate and its influence","authors":"Jiayu Yang ,&nbsp;Kaihui Dong ,&nbsp;Yingwei Song ,&nbsp;Adeel Butt ,&nbsp;Yong Cai ,&nbsp;Xiaoyu Cheng ,&nbsp;En-Hou Han","doi":"10.1016/j.surfcoat.2025.132231","DOIUrl":"10.1016/j.surfcoat.2025.132231","url":null,"abstract":"<div><div>The conversion film is essential before electrophoresis (EP) for adhesion strength and corrosion resistance. In this study, the conventional phosphate conversion film (P film) was modified by a short one-step method to prepare a Ce-modification conversion film (P/Ce film) on AZ31 Mg alloy. The modification process of the conversion film was revealed by X-ray photoelectron spectroscopy (XPS) combined with thermodynamic deposition phase diagrams. The corrosion resistance and adhesion strength were evaluated by electrochemical tests and pull-off tests. The results show that Mn ions in the P film are replaced in situ by Ce ions in a suitable pH range. The P/Ce film is dense and free of cracks, with a uniform distribution of Ce elements, and also exhibits enhanced corrosion resistance and self-healing performance. Furthermore, the adhesion strength of the P/Ce-EP coating is improved by 39.29 %, and the coating resistance (<em>R</em>_f) is enhanced by approximately one order of magnitude compared to the P-EP coatings.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132231"},"PeriodicalIF":5.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tribological behavior and wear mechanism of TiO2/MoS2 nanocomposite coatings fabricated on TC6 alloys by micro-arc oxidation and duplex surface technologies","authors":"Siyang Zhang ,&nbsp;Min Zhang ,&nbsp;Haixia Jiang ,&nbsp;Liman Chen ,&nbsp;Dong Han ,&nbsp;Xiaogang Hu ,&nbsp;Longshi Qiu","doi":"10.1016/j.surfcoat.2025.132227","DOIUrl":"10.1016/j.surfcoat.2025.132227","url":null,"abstract":"<div><div>The TC6 alloy is featured with its lightweight nature, excellent corrosion resistance, and chemical stability, making it an ideal material for aerospace landing gear and transmission system. However, its low hardness and poor wear resistance significantly limit its reliability and service life. To address these limitations, wear-resistant and friction-reducing coatings were fabricated using micro-arc oxidation (MAO) and duplex technologies, such as MAO plus magnetron sputtering (MS), MAO plus cold spraying (CS) and single-step MAO with MoS₂ additive. The results show that the composite coatings with MoS₂ introduced via MS and CS exhibited enhanced lubrication properties, reducing COF to 0.245 and 0.099, respectively, while achieving wear rate reductions between 75.94 % and 92.51 %. Notably, the TiO₂/MoS₂ composite coating prepared via single-step MAO process achieved the highest hardness (684.65 HV) and the lowest COF (0.079), along with a 92.18 % reduction in wear rate. The synergistic effect of hard TiO₂ and MoS₂ enhances lubrication and wear resistance, providing a promising approach for improving the tribological performance of titanium alloys. These findings confirm that one-step composite MAO coatings effectively improve the tribological properties of TC6 alloy, making them promising alternatives for wear-resistant aerospace components.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132227"},"PeriodicalIF":5.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143907911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impurity sources and incorporation pathways during sputter deposition of Mg and Al thin films","authors":"Shamsa Aliramaji ,&nbsp;Philipp Keuter ,&nbsp;Stanislav Mráz ,&nbsp;Deborah Neuß ,&nbsp;Marcus Hans ,&nbsp;Daniel Primetzhofer ,&nbsp;Diederik Depla ,&nbsp;Jochen M. Schneider","doi":"10.1016/j.surfcoat.2025.132216","DOIUrl":"10.1016/j.surfcoat.2025.132216","url":null,"abstract":"<div><div>Minimizing the impurity concentration in magnetron sputter deposited thin films is desired for the exploration of composition – structure – property relations. Thus, the integral impurity incorporation during growth into Mg and Al sputter deposited thin films is studied by systematic variations of the base pressure, the deposition rate, and the working gas purity. The deposition rate and the base pressure, which was measured before each deposition, were varied simultaneously, resulting in a variation of the impurity-to-metal flux ratios of factor &gt; 40. During growth, Ar gas purities of 99.999 and 99.9999 % were employed. Surprisingly, these systematic growth condition variations did not significantly alter the impurity concentration incorporated into Mg and Al thin films. While the modified parameters clearly are relevant for impurity incorporation, there appears to be at least one additional mechanism affecting the impurity incorporation during thin film growth operational. Mass spectrometry data revealed that residual gases desorb from surfaces within the vacuum chamber as soon as they are heated. Based on the measured thin film composition data, it is inferred that the magnitude of thermally desorbed residual gas appears to affect the impurity concentration to a larger extent than the systematic deposition parameter variations studied here. Therefore, it is reasonable to assume that the here investigated impurity incorporation is governed by the incorporation of thermally desorbed residual gases during thin film growth. Future impurity incorporation studies should, in addition to the base pressure before deposition, also quantify the residual gas partial pressures present during deposition.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132216"},"PeriodicalIF":5.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143911873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Stable nanocrystalline high-entropy alloy coatings deposited by cold-spraying: Indentation deformation behavior evaluated by nanoindentation and atomic force microscopy","authors":"Kasimuthumaniyan Subramanian ,&nbsp;Moses A. Adaan-Nyiak ,&nbsp;Mohammad Aatif Qazi ,&nbsp;Maria Ophelia Jarligo ,&nbsp;Andre McDonald ,&nbsp;Philip Egberts ,&nbsp;Ahmed A. Tiamiyu","doi":"10.1016/j.surfcoat.2025.132221","DOIUrl":"10.1016/j.surfcoat.2025.132221","url":null,"abstract":"<div><div>The leading edges of structural components such as compressors and turbine blades operating in extreme environments undergo extensive erosive and abrasive wear from impinging solid erodents like abrasive sand particles. Although traditional coatings are extensively applied on the surfaces of such components for protection and to mitigate degradation, these coatings may not always withstand the impact of solid erodents. Here, newly developed lightweight, stable nanocrystalline high-entropy alloy (NC-HEA) coatings were deposited onto an A36 steel substrate using a cold-spray additive manufacturing method, while nanoindentation technique coupled with atomic force microscopy was used to assess their nanomechanical response. Despite being 25 % lighter, NC-HEA coatings exhibit nearly four times the hardness of the steel substrate. Furthermore, the deposited HEA coatings subjected to heat treatment show notable hardness and elastic moduli enhancement. This demonstrates the simultaneous stability of the NC-HEAs against grain growth even while hardness increases. Altogether, we investigate the stability of the NC-HEA coatings and elucidate the operational strengthening mechanisms that contribute to the increased hardness values.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132221"},"PeriodicalIF":5.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Atomic layer deposition of Al2O3 to Ti–6Al–4V feedstock improves powder oxidation resistance and tensile strength in additively manufactured parts","authors":"Nicholas Derimow ,&nbsp;Joseph Gauspohl ,&nbsp;Alec I. Saville ,&nbsp;Jake T. Benzing ,&nbsp;Elisabeth Mansfield ,&nbsp;Christopher J. Gump ,&nbsp;Anthony Manerbino ,&nbsp;Jeremy Iten ,&nbsp;Nik Hrabe","doi":"10.1016/j.surfcoat.2025.132179","DOIUrl":"10.1016/j.surfcoat.2025.132179","url":null,"abstract":"<div><div>With the ever-increasing interest into additive manufacturing (AM) via laser powder bed fusion (PBF-L) of Ti–6Al–4V , there have been numerous efforts to introduce different coatings onto the metal powder feedstock in order to achieve benefits in the PBF-L process. Whether for the purpose of dispersion strengthening, enhanced flowability, or grain refinement, there are several dry coating techniques that can be used to introduce a coating onto the metal powder. In the present investigation, we leverage atomic layer deposition (ALD), a thin-film coating technique, to uniformly coat a continuous layer of Al<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span>O<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> onto a batch of Grade 23 Ti–6Al–4V powder. This ALD-coated feedstock was then used in PBF-L to build specimens for analysis of the microstructure and mechanical properties in the as-built and hot isostatic pressing (HIP) treated state. The ALD-coated feedstock displayed greater Hall flowability and oxidation resistance when measured via thermogravimetric analysis in air, with no significant changes to microstructure or bulk morphological features. The microstructure of the as-built and HIPed material stemming from the ALD-coated powder batch was indistinguishable from the material made from virgin powder feedstock, indicating that the ALD Al<span><math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math></span>O<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> layer dissolved into the melt pool and went into solution. The ALD condition had an approximate 80 MPa increase in tensile strength in the as-built condition, and an approximate 70 MPa increase in strength in the HIPed condition due to solid solution strengthening from the increased oxygen content of the ALD coating. The ALD HIPed condition, while somewhat lower in elongation and reduction of area relative to the virgin material after HIP, remained within common material specification requirements for PBF Ti–6Al–4V . While there was an increase in measured oxygen content after the ALD process, this work serves as a proof-of-concept for pre-treating Ti–6Al–4V feedstocks with ALD methodology to achieve benefits in flowability, oxidation resistance, and solid solution strengthening.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"510 ","pages":"Article 132179"},"PeriodicalIF":5.3,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143917240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}