Surface & Coatings Technology最新文献_第2页

Effect of laser shock peening pretreatment on the microstructure and wear resistance of plasma nitrided TC4 titanium alloy 激光冲击强化预处理对等离子体氮化TC4钛合金组织及耐磨性的影响

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-28 DOI: 10.1016/j.surfcoat.2025.132337

Chu Li, Junming Luo, Zhijing Zhao, Jilin Xu

{"title":"Effect of laser shock peening pretreatment on the microstructure and wear resistance of plasma nitrided TC4 titanium alloy","authors":"Chu Li, Junming Luo, Zhijing Zhao, Jilin Xu","doi":"10.1016/j.surfcoat.2025.132337","DOIUrl":"10.1016/j.surfcoat.2025.132337","url":null,"abstract":"<div><div>Laser shock peening (LSP) was adopted as the pretreatment process to study the effect of LSP on the microstructure and wear resistance of plasma nitrided (PN) TC4 titanium alloy. X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), microhardness tester and ball-on-disk wear tester were employed to investigate the microstructure and wear resistance of plasma nitrided TC4 alloy coupled with LSP processing. After the LSP treatment, the α-Ti diffraction peaks on the sample surface were broadened, the average grain size of TC4 titanium alloy was reduced, and the dislocated walls and nanograins were detected in the 2LSP sample through TEM. In addition, the LSP pretreatment has an obvious promotion effect on the nitriding of TC4 titanium alloy. Compared with the Sub + PN sample, the 2LSP + PN sample has denser nitrides on the surface, the overall thickness of nitrided layer is enhanced by 141 %, and the microhardness is enhanced by 23.6 %. Additionally, the coefficient ofwear, the width of wear trace, and the wear rate are reduced by 23.1 %, 21.6 %, and 65.1 %, respectively, reflecting better wear resistance.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132337"},"PeriodicalIF":5.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144177919","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}

引用次数: 0

Process and characterization of conformal coating by plasma electrolytic oxidation on additively manufactured Ti-6Al-4V 增材制备Ti-6Al-4V保形涂层的等离子体电解氧化工艺及表征

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-28 DOI: 10.1016/j.surfcoat.2025.132338

Yee Ng, Xian Yi Tan, Tzee Luai Meng, Hongfei Liu

{"title":"Process and characterization of conformal coating by plasma electrolytic oxidation on additively manufactured Ti-6Al-4V","authors":"Yee Ng, Xian Yi Tan, Tzee Luai Meng, Hongfei Liu","doi":"10.1016/j.surfcoat.2025.132338","DOIUrl":"10.1016/j.surfcoat.2025.132338","url":null,"abstract":"<div><div>Protective coating was processed on additively manufactured (AM) Ti-6Al-4V coupons, with and without mechanical grinding, by plasma electrolytic oxidation (PEO) in an aqueous electrolyte mixture of NaAlO<sub>2</sub> (10 g/L) and Na<sub>3</sub>PO<sub>4</sub> (1.0 g/L) using a bipolar, current-controlled mode. By varying the anode-to-cathode charge-quantity ratio (<em>R</em> = 1.0 and 0.6) and the current ramping rate (<em>R</em><sub>c</sub> = 0.20 and 0.03 A/s), while keeping both the anodic and cathodic current densities at ∼0.21 A/cm<sup>2</sup>, significantly differences in growth rate of the PEO coatings were observed, leading to coating thickness of 29 μm (in 39 min) and 48 μm (in 26 min) with energy consumptions of 0.17 and 0.06 kWh, respectively. In-situ voltage profile analysis attributed this behavior not only to anodization and plasma initiation at the initial stage but also to coating relaxation during the cathodic period of the PEO process. Chemical analysis indicated a higher phosphorus concentration near the coating-substrate interface compared to the near-surface regions. X-ray diffraction revealed that the coating was predominantly composed of crystalline Al<sub>2</sub>TiO<sub>5</sub> (> 98.0 wt%). Nanoindentation measurements on the cross-sections showed hardness increases of 30% and 15% relative to the AM Ti-6Al-4V alloy for <em>R</em> = 1.0 and 0.6, respectively. The microcrack-free PEO coating, particularly its conformal coating on adhered particles and sharp corners, along with the significantly enhanced hydrophobicity, offers promising potential for the post-AM protection of Ti-6Al-4V components with complex surface geometries.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132338"},"PeriodicalIF":5.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170065","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}

引用次数: 0

Studies on surface integrity and fatigue performance of Ti-17 alloy induced by ultrasonic surface rolling process 超声表面轧制Ti-17合金表面完整性及疲劳性能研究

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-27 DOI: 10.1016/j.surfcoat.2025.132336

Liang Tan, Wenhao Tang, Manqi Wang, Yufei Zhang, Changfeng Yao

{"title":"Studies on surface integrity and fatigue performance of Ti-17 alloy induced by ultrasonic surface rolling process","authors":"Liang Tan, Wenhao Tang, Manqi Wang, Yufei Zhang, Changfeng Yao","doi":"10.1016/j.surfcoat.2025.132336","DOIUrl":"10.1016/j.surfcoat.2025.132336","url":null,"abstract":"<div><div>The surface integrity and fatigue performance of Ti-17 titanium alloy under different ultrasonic surface rolling (USR) process are investigated, the fatigue fracture morphologies are compared and analyzed. The results show that USR process enhances the surface integrity characteristics of the Ti-17 titanium alloy specimen. The surface roughness <em>R</em><sub>a</sub> values of the USR treated specimens are <0.3 μm, and the surface stress concentration coefficients are within the range of 1.009 to 1.028. USR process induces a compressive residual stress affected layer of 100 to 500 μm, a work-hardened layer of 100 to 300 μm, and a gradient microstructure. The average fatigue life of the U01# treated specimen with better surface integrity characteristics is approximately 9.7 times higher than that of U06# treated specimen. Observing the fatigue fractures, the fatigue crack initiation positions of the USR treated specimen are located on the subsurface at a distance of 200 to 500 μm from the surface. The fatigue crack initiation is linked to the stress concentration resulting from internal material defects and the uneven distribution of residual stress. The fatigue crack growth rate is relatively stable for the USR treated specimens with longer fatigue life. The crack initiation life of the USR treated specimens exceeds 90 % of their total fatigue life due to the improved surface integrity characteristics. The improvement of USR process on the rotating bending fatigue performance of Ti-17 titanium alloy is mainly reflected in the prevention of crack initiation and delay of crack propagation.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132336"},"PeriodicalIF":5.3,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144196000","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}

引用次数: 0

Ultra-fast laser modification of LaYbZrCeO7 thermal barrier coating surface and its hydrophobic behavior LaYbZrCeO7热障涂层表面的超快激光改性及其疏水性

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-27 DOI: 10.1016/j.surfcoat.2025.132328

Ziyu Chen , Yixin Xiao , Yuancheng Li , Haizhong Zheng , Guifa Li , Yongxiang Geng , Peifeng Zhou , Xin Wang

{"title":"Ultra-fast laser modification of LaYbZrCeO7 thermal barrier coating surface and its hydrophobic behavior","authors":"Ziyu Chen , Yixin Xiao , Yuancheng Li , Haizhong Zheng , Guifa Li , Yongxiang Geng , Peifeng Zhou , Xin Wang","doi":"10.1016/j.surfcoat.2025.132328","DOIUrl":"10.1016/j.surfcoat.2025.132328","url":null,"abstract":"<div><div>Hydrophobic surfaces are pivotal for self-cleaning, anti-icing, and corrosion resistance. Developing hydrophobic LaYbZrCeO<sub>7</sub> thermal barrier coating (TBC) offers an effective strategy to mitigate adhesion and corrosion induced by molten CMAS. In this paper, a periodic tip array with an average diameter of 100 μm and height of 45 μm was fabricated on LaYbZrCeO<sub>7</sub> TBC using femtosecond laser processing. Compared to the original coating, the periodic tip array increased non-polar C<img>C bonds by 14.35 % and decreased polar C-O-C, O-C=O, and -OH bonds by 7.26 %, 7.09 %, and 19.66 %, respectively, thereby reducing the surface polarity. Additionally, droplets form a “solid-gas-liquid” three-phase contact with the periodic tip array, reducing solid-liquid interaction and enhancing hydrophobicity. The average contact angles on the LaYbZrCeO<sub>7</sub> tip array and original coating were 145.2° and 58.4°, respectively, demonstrating the array's hydrophobicity. In addition, the contact angle between the periodic tip array and molten CMAS is 59.6°, which is significantly higher than the original coating's 19.6°.These results offer novel insights into enhancing the resistance of LaYbZrCeO<sub>7</sub> TBC against adhesion and corrosion from molten CMAS.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132328"},"PeriodicalIF":5.3,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144154986","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}

引用次数: 0

Rapid deposition of superhydrophobic organosilicon films on glass via DBD plasma jet-enhanced CVD for self-cleaning and optical filtering applications 利用DBD等离子体射流增强CVD技术在玻璃上快速沉积超疏水有机硅薄膜，用于自清洁和光学滤波

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-27 DOI: 10.1016/j.surfcoat.2025.132260

Shayan Bayki, Soham Mujumdar

{"title":"Rapid deposition of superhydrophobic organosilicon films on glass via DBD plasma jet-enhanced CVD for self-cleaning and optical filtering applications","authors":"Shayan Bayki, Soham Mujumdar","doi":"10.1016/j.surfcoat.2025.132260","DOIUrl":"10.1016/j.surfcoat.2025.132260","url":null,"abstract":"<div><div>Superhydrophobic surfaces, known for their exceptional water repellency, exhibit remarkable self-cleaning properties and resistance to contamination and corrosion. Dielectric barrier discharge (DBD) plasma jet, a type of atmospheric pressure plasma source, has emerged as a highly efficient tool for plasma-enhanced chemical vapor deposition (CVD) processes used in the fabrication of superhydrophobic surfaces. This approach offers key advantages, including low power consumption, high concentrations of active species, rapid processing, and operation under ambient conditions. This study explores the deposition of a superhydrophobic organosilicon film on a glass substrate using DBD plasma jet-enhanced CVD, with tetramethylsilane (TMS) as the precursor. The deposition process achieves an exceptionally high deposition rate up to <span><math><mrow><mn>2</mn><mo>.</mo><mn>6</mn><mspace></mspace><mi>μ</mi></mrow></math></span>m/min. Wettability analysis reveals a significant transformation in surface properties post-deposition, with the water contact angle (WCA) increasing from 25° to above <span><math><mrow><mn>167</mn></mrow></math></span>° and the oil contact angle decreasing from 33° to below 7°, confirming the film’s superhydrophobic and superoleophilic behavior. As a result, the organosilicon-coated glass surface shows excellent self-cleaning properties, with 98% of dust removal upon impingement of water droplets. The light-filtering analysis shows a 78% transmittance of the superhydrophobic coating in the visible region after 45 s of deposition. The film exhibits excellent durability against harsh environmental conditions, as demonstrated by 20 min exposure to water jet (flow rate of 50 l/h), air jet (pressure of 8 bar), and high temperature (200°). This work paves the way for the rapid deposition of superhydrophobic coatings for anti-fogging, anti-dusting, oil-water separation, anti-icing, and light-filtering applications.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132260"},"PeriodicalIF":5.3,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170062","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}

引用次数: 0

Microstructure and corrosion resistance of cast iron surfaces by cold spraying Al and Al/Ni coatings 冷喷涂Al和Al/Ni涂层对铸铁表面组织和耐蚀性的影响

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-27 DOI: 10.1016/j.surfcoat.2025.132327

Lei Shi, Lulu Ji, Ailong Jiang, Yahui Han, Qihua Wu

{"title":"Microstructure and corrosion resistance of cast iron surfaces by cold spraying Al and Al/Ni coatings","authors":"Lei Shi, Lulu Ji, Ailong Jiang, Yahui Han, Qihua Wu","doi":"10.1016/j.surfcoat.2025.132327","DOIUrl":"10.1016/j.surfcoat.2025.132327","url":null,"abstract":"<div><div>To improve the corrosion resistance of combustion chamber components of alternative fuel internal combustion engines, an effective method to prepare dense anticorrosive coating on cast iron surfaces by cold spraying technology is proposed. The effect of process parameters on microstructure evolution and corrosion properties of cold-sprayed coatings were studied in detail. The coatings consist of Al, Al<sub>1.1</sub>Ni<sub>0.9</sub>, and NiAl<sub>2</sub>O phases. The average grain size for Al and Al-Ni-Al coatings was 9.5 μm and 6.5 μm, respectively. In 3.5%wt% NaCl solution, the corrosion current density of Al spray coating (7.06 × 10<sup>−7</sup> A/cm<sup>2</sup>) was one order of magnitude lower than that of the substrate (5.47 × 10<sup>−6</sup> A/cm<sup>2</sup>), and the corrosion rate of Al spray coating (23.9 μm/year) was 62 % lower than that of the substrate (63.6 μm/year). In the immersion corrosion, the corrosion resistance of Al-Ni-Al composite coating was the best. The results show that the corrosion products after immersion corrosion were mainly Al<sub>2</sub>O<sub>3</sub>/Al and Al(OH)<sub>3</sub>, and Ni was not corroded. The corrosion mechanism of the coating was local pitting corrosion in electrochemical corrosion.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132327"},"PeriodicalIF":5.3,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144185507","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}

引用次数: 0

Exploring the Surface Acoustic Wave Aerosol Jet Printing (SAW-AJP) system for highly-uniform, shear-resistant thin adhesive films 探索表面声波气溶胶喷射打印（SAW-AJP）系统，用于高度均匀，抗剪切的薄胶膜

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-26 DOI: 10.1016/j.surfcoat.2025.132256

Chenhui Gai , Yijuan Xie , Yuntao Cheng , Hong Liu , Yulin Lei , Junlong Han , Hong Hu

{"title":"Exploring the Surface Acoustic Wave Aerosol Jet Printing (SAW-AJP) system for highly-uniform, shear-resistant thin adhesive films","authors":"Chenhui Gai , Yijuan Xie , Yuntao Cheng , Hong Liu , Yulin Lei , Junlong Han , Hong Hu","doi":"10.1016/j.surfcoat.2025.132256","DOIUrl":"10.1016/j.surfcoat.2025.132256","url":null,"abstract":"<div><div>Thin adhesive films are essential not only for bonding multilayer piezoelectric ceramics but also for significantly enhancing their overall performance by improving mechanical stability, ensuring uniform stress distribution, and increasing the durability and efficiency of the piezoelectric response. Here, aiming at highly uniform, shear-resistant thin adhesive films, we demonstrate an innovative system based on Surface Acoustic Wave Aerosol Jet Printing (SAW-AJP). This system contains several subsystems, such as SAW-AJP nozzle, SAW atomization system, airflow supply system and nozzle motion system. Through analyzing the physical modeling of thin films deposition by the SAW-AJP system at first, we have identified key strategies that affect film thickness and uniformity. Then experiments are investigated via optimizing the strategy of SAW atomization, airflow supply and nozzle motion. The results manifest that the film thickness for individual components of the A–B adhesive in the range of <span><math><mrow><mn>1</mn><mo>.</mo><mn>5</mn><mspace></mspace><mi>μ</mi><mi>m</mi></mrow></math></span> to <span><math><mrow><mn>5</mn><mspace></mspace><mi>μ</mi><mi>m</mi></mrow></math></span>, and its relative standard deviation (RSD) is able to maintain around 8%. Moreover, the shear stress can achieve up to 550 kPa.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132256"},"PeriodicalIF":5.3,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170064","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}

引用次数: 0

Enhanced corrosion resistance of CoCrFeNiTi high entropy alloy through the addition of VC VC的加入增强了CoCrFeNiTi高熵合金的耐蚀性

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-24 DOI: 10.1016/j.surfcoat.2025.132324

Fangyan Luo , Yu Yin , Hongtao Jin , Zehuan Chen , Wenqing Shi , Jiang Huang

引用次数: 0

Effect of oxynitriding gas mixture ratios on friction and wear characteristics of Ti-6Al-4V alloy 氧氮化气体配比对Ti-6Al-4V合金摩擦磨损特性的影响

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-24 DOI: 10.1016/j.surfcoat.2025.132315

Se-Yeong Park, Yong-Jae Lee, Dong-Geun Lee

{"title":"Effect of oxynitriding gas mixture ratios on friction and wear characteristics of Ti-6Al-4V alloy","authors":"Se-Yeong Park, Yong-Jae Lee, Dong-Geun Lee","doi":"10.1016/j.surfcoat.2025.132315","DOIUrl":"10.1016/j.surfcoat.2025.132315","url":null,"abstract":"<div><div>The surface properties of Ti-6Al-4V alloy were improved using the VRO (Vacuum Rapid Oxynitriding) process. This thermal diffusion treatment was carried out based on the nitrogen and oxygen mixed gas ratio. The focus of this study was to determine the optimal gas mixing ratio to form a ternary TiN<sub>X</sub>O<sub>1-X</sub> composition that exhibits superior mechanical properties compared to nitride and oxide layers. Additionally, the influence of nitrogen and oxygen ratio on the formation mechanism of TiN<sub>X</sub>O<sub>1-X</sub> layer was investigated. The results showed that TiN<sub>X</sub>O<sub>1-X</sub>, formed of nitrogen and oxygen with similar atomic radii under 50 % oxygen conditions, showed the highest phase fraction, improving surface hardness and wear resistance. Additionally, all surface treated samples showed both abrasive wear and adhesive wear, but as the oxygen content increased, the wear mechanism switched to abrasive wear. This change is due to the formation of twins accompanied by an oxynitride layer, which increases the resistance to deformation. Under 50 % oxygen conditions, this optimized combination is expected to significantly improve the surface properties of Ti-6Al-4V.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"512 ","pages":"Article 132315"},"PeriodicalIF":5.3,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170060","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}

引用次数: 0

Regulation and structural performance study of in-situ synthesized ZSM-5 zeolite coating on aluminum alloy 6063 surface 6063铝合金表面原位合成ZSM-5沸石涂层的调控及结构性能研究

IF 5.3 2区材料科学

Surface & Coatings Technology Pub Date : 2025-05-24 DOI: 10.1016/j.surfcoat.2025.132320

Weihao Li , Ruijia Hu , Zhimin Huang , Mengxue Xu , Yihua Zheng , Yanming Li , Xingfu Zheng , Qiufeng Mo

{"title":"Regulation and structural performance study of in-situ synthesized ZSM-5 zeolite coating on aluminum alloy 6063 surface","authors":"Weihao Li , Ruijia Hu , Zhimin Huang , Mengxue Xu , Yihua Zheng , Yanming Li , Xingfu Zheng , Qiufeng Mo","doi":"10.1016/j.surfcoat.2025.132320","DOIUrl":"10.1016/j.surfcoat.2025.132320","url":null,"abstract":"<div><div>Aluminum alloy 6063 is widely used due to its excellent properties, such as low density, high specific strength, good electrical conductivity and plasticity. However, its corrosion resistance in aggressive environments is insufficient. To improve its corrosion resistance, a hydrothermal method was employed in this study to in-situ synthesize ZSM-5 zeolite coatings on the surface of Al substrate. The effects of hydrothermal temperature, hydrothermal time, and the solution ratio K (n(NaOH)/n(TEOS)) on the microstructure, formation mechanism, and corrosion resistance of the coatings were systematically investigated. The results showed that the optimal hydrothermal synthesis temperature was 180 °C, and the optimal hydrothermal time was 24 h. As the K value increased, the growth orientation of ZSM-5 crystals changed, and the crystal morphology also transformed, significantly affecting the performance of the coatings. After synthesizing the ZSM-5 zeolite coating on the Al substrate, the <em>|Z|</em><sub><em>0.01 Hz</em></sub> increased by two orders of magnitude after immersion in NaCl solution for 1 h. Furthermore, the coating demonstrated good adhesion and stability, as no exfoliation was observed even after 336 h of continuous immersion.</div></div>","PeriodicalId":22009,"journal":{"name":"Surface & Coatings Technology","volume":"511 ","pages":"Article 132320"},"PeriodicalIF":5.3,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139553","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}

引用次数: 0