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Defect-engineered rGO−CoNi2S4 with enhanced electrochemical performance for asymmetric supercapacitor
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-02-01 DOI: 10.1016/S1003-6326(24)66700-2
Xu WANG , Bo-wang ZHAO , Jia-yu LIANG , Geng-zheng LIU , Ze-fei GUO , Hui-lian HAO , Wen-yao LI , Wen-zhong SHEN
{"title":"Defect-engineered rGO−CoNi2S4 with enhanced electrochemical performance for asymmetric supercapacitor","authors":"Xu WANG ,&nbsp;Bo-wang ZHAO ,&nbsp;Jia-yu LIANG ,&nbsp;Geng-zheng LIU ,&nbsp;Ze-fei GUO ,&nbsp;Hui-lian HAO ,&nbsp;Wen-yao LI ,&nbsp;Wen-zhong SHEN","doi":"10.1016/S1003-6326(24)66700-2","DOIUrl":"10.1016/S1003-6326(24)66700-2","url":null,"abstract":"<div><div>To explore the effect of sulfur vacancies in transition metal sulfide on the electrochemical properties of anode materials, the graphene oxide (GO) and CoNi<sub>2</sub>S<sub>4</sub> were used as the raw materials to synthesize the rGO<sub>10</sub>−CoNi<sub>2</sub>S<sub>4−<em>x</em></sub> composite electrode materials by the solvothermal method. The obtained rGO<sub>10</sub>−CoNi<sub>2</sub>S<sub>4−<em>x</em></sub> electrode materials with sulfur vacancies consist of nanoflakes and nanorods. The galvanostatic charge−discharge test of the rGO<sub>10</sub>−CoNi<sub>2</sub>S<sub>4−<em>x</em></sub> electrode materials shows a great specific capacitance of 3050.1 F/g at a current density of 1 A/g. Moreover, the electrode materials still remain rate capability retention of 86.1% when the current density increases from 1 to at 10 A/g. The rGO<sub>10</sub>−CoNi<sub>2</sub>S<sub>4−<em>x</em></sub> composite containing sulfur vacancies has higher specific capacitance and better rate capability in comparison to the pristine rGO−CoNi<sub>2</sub>S<sub>4</sub> without containing sulfur defects. The optimized rGO<sub>10</sub>−CoNi<sub>2</sub>S<sub>4−<em>x</em></sub> composite electrode materials with sulfur vacancies exhibit outstanding cycle stability and rate performance.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 2","pages":"Pages 563-578"},"PeriodicalIF":4.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new simple and efficient method to determine critical strain required for adiabatic shear under high-speed impact
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-02-01 DOI: 10.1016/S1003-6326(24)66689-6
Rui XING , Peng-cheng GUO , Cong-chang XU , De-cheng WANG , Luo-xing LI
{"title":"A new simple and efficient method to determine critical strain required for adiabatic shear under high-speed impact","authors":"Rui XING ,&nbsp;Peng-cheng GUO ,&nbsp;Cong-chang XU ,&nbsp;De-cheng WANG ,&nbsp;Luo-xing LI","doi":"10.1016/S1003-6326(24)66689-6","DOIUrl":"10.1016/S1003-6326(24)66689-6","url":null,"abstract":"<div><div>Based on the investigation of mechanical response and microstructure evolution of a commercial 7003 aluminum alloy under high-speed impact, a new simple and effective method was proposed to determine the critical strain required for the nucleation of adiabatic shear band (ASB). The deformation results of cylindrical and hat-shaped samples show that the critical strain required for ASB nucleation corresponds to the strain at the first local minimum after peak stress on the first derivative curve of true stress−true strain. The method of determining the critical strain for the nucleation of ASB through the first derivative of the flow stress curve is named the first derivative method. The proposed first derivative method is not only applicable to the 7003 aluminum alloy, but also to other metal materials, such as commercial purity titanium, WY-100 steel, and AM80 magnesium alloy. This proves that it has strong universality.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 2","pages":"Pages 418-430"},"PeriodicalIF":4.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving microstructure, tensile properties and corrosion resistance of AA6016 and AA2519 alloys friction stir lap joints via TIG arc
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-02-01 DOI: 10.1016/S1003-6326(24)66688-4
Tie YI , Sheng-dan LIU , Chen FANG , Geng-duo JIANG , Xuan-xuan DAI
{"title":"Improving microstructure, tensile properties and corrosion resistance of AA6016 and AA2519 alloys friction stir lap joints via TIG arc","authors":"Tie YI ,&nbsp;Sheng-dan LIU ,&nbsp;Chen FANG ,&nbsp;Geng-duo JIANG ,&nbsp;Xuan-xuan DAI","doi":"10.1016/S1003-6326(24)66688-4","DOIUrl":"10.1016/S1003-6326(24)66688-4","url":null,"abstract":"<div><div>The effects of tungsten inert gas arc-assisted friction stir welding (TIG-FSW) on the microstructure, tensile properties and corrosion resistance of AA6016 and AA2519 alloys lap joints were investigated by means of optical microscope, scanning electron microscope, tensile test at room temperature, corrosion immersion tests and electrochemical measurements. The results show that the introduction of TIG arc during FSW process results in a more uniform microstructure of the joint with no tunnel hole defects. Furthermore, it enhances tensile strength and elongation of the joint with increased rates of 11.5% and 50.0%, respectively; meanwhile, the corrosion current density and largest corrosion depth are decreased with reduction rates of 78.2% and 45.7%, respectively. TIG-FSW can promote flow, contact and diffusion of materials, thus improving microstructure of the joint. Additionally, it reduces the size and number of secondary phase particles. Consequently, these factors contribute to the higher tensile properties and corrosion resistance of the joints.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 2","pages":"Pages 405-417"},"PeriodicalIF":4.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recycling technologies of spent lithium-ion batteries and future directions: A review
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66679-3
Xue-song GAO , Meng WU , Guang-jin ZHAO , Kun-hong GU , Jia-jia WU , Hong-bo ZENG , Wen-qing QIN , Jun-wei HAN
{"title":"Recycling technologies of spent lithium-ion batteries and future directions: A review","authors":"Xue-song GAO ,&nbsp;Meng WU ,&nbsp;Guang-jin ZHAO ,&nbsp;Kun-hong GU ,&nbsp;Jia-jia WU ,&nbsp;Hong-bo ZENG ,&nbsp;Wen-qing QIN ,&nbsp;Jun-wei HAN","doi":"10.1016/S1003-6326(24)66679-3","DOIUrl":"10.1016/S1003-6326(24)66679-3","url":null,"abstract":"<div><div>Lithium-ion batteries (LIBs) are the most popular energy storage devices due to their high energy density, high operating voltage, and long cycle life. However, green and effective recycling methods are needed because LIBs contain heavy metals such as Co, Ni, and Mn and organic compounds inside, which seriously threaten human health and the environment. In this work, we review the current status of spent LIB recycling, discuss the traditional pyrometallurgical and hydrometallurgical recovery processes, and summarize the existing short-process recovery technologies such as salt-assisted roasting, flotation processes, and direct recycling. Finally, we analyze the problems and potential research prospects of the current recycling process, and point out that the multidisciplinary integration of recycling will become the mainstream technology for the development of spent LIBs.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 271-295"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
As-cast Tix(AlVCr)100−x light-weight medium entropy alloys with high strength and uniform compressive plasticity
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66674-4
Ming-jie KAI , Yu-jie MA , Xiao-tian WANG , Liang CHENG , Jian-bo HU , Yao-yao HU , Tai-ran XU , Gui-jiang LI , Xiang-kang MENG , Zhen-hua CAO
{"title":"As-cast Tix(AlVCr)100−x light-weight medium entropy alloys with high strength and uniform compressive plasticity","authors":"Ming-jie KAI ,&nbsp;Yu-jie MA ,&nbsp;Xiao-tian WANG ,&nbsp;Liang CHENG ,&nbsp;Jian-bo HU ,&nbsp;Yao-yao HU ,&nbsp;Tai-ran XU ,&nbsp;Gui-jiang LI ,&nbsp;Xiang-kang MENG ,&nbsp;Zhen-hua CAO","doi":"10.1016/S1003-6326(24)66674-4","DOIUrl":"10.1016/S1003-6326(24)66674-4","url":null,"abstract":"<div><div>The effect of Ti content on the microstructure and mechanical properties of as-cast light-weight Ti<sub><em>x</em></sub>(AlVCr)<sub>100−<em>x</em></sub> medium entropy alloys was studied by compressive tests, X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The results suggest that yield strength increases and then decreases with the increment of Ti content. The Ti<sub>60</sub>(AlVCr)<sub>40</sub> alloy has the best combination of high strength of 1204 MPa and uniform plastic strain of 70%, possessing a high specific yield strength of 255 MPa·cm<sup>3</sup>/g. The enhancement of strength is mainly attributed to the synergic effects of solid-solution and coherent nano-precipitation strengthening, while dislocation motion such as dislocation pinning, entanglement and dislocation cells significantly increases the strain-hardening capacity.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 194-206"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructure characteristics and corrosion behavior of metal inert gas welded dissimilar joints of 6005A modified by Sc and 5083 alloys
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66665-3
Guo-fu XU , Liang LIU , Ying DENG , Yu ZENG , Jun-chang CAO , Lei TANG , Xiao-yan PENG , Jia-qi DUAN , Mei-chan LIANG , Qing-lin PAN
{"title":"Microstructure characteristics and corrosion behavior of metal inert gas welded dissimilar joints of 6005A modified by Sc and 5083 alloys","authors":"Guo-fu XU ,&nbsp;Liang LIU ,&nbsp;Ying DENG ,&nbsp;Yu ZENG ,&nbsp;Jun-chang CAO ,&nbsp;Lei TANG ,&nbsp;Xiao-yan PENG ,&nbsp;Jia-qi DUAN ,&nbsp;Mei-chan LIANG ,&nbsp;Qing-lin PAN","doi":"10.1016/S1003-6326(24)66665-3","DOIUrl":"10.1016/S1003-6326(24)66665-3","url":null,"abstract":"<div><div>The corrosion behavior and microstructure characteristics of metal inert gas (MIG) welded dissimilar joints of the 6005A alloy modified with Sc (designated as 6005A+Sc) and the 5083 alloy were investigated using corrosion tests and microscopy techniques. Results show that the dissimilar joints exhibit strong stress corrosion cracking (SCC) resistance, maintaining substantial strength during slow strain rate tensile tests. Notably, the heat-affected zone (HAZ) and base metal (BM) on the 6005A+Sc side show superior performance in terms of inter-granular corrosion (IGC) and exfoliation corrosion (EXCO) compared to the corresponding zones on the 5083 side. The lower corrosion resistance of the 5083-BM and the 5083-HAZ can be attributed to the presence of numerous Al<sub>2</sub>Mg<sub>3</sub> phases and micro-scaled Al<sub>6</sub>(Mn,Fe) intermetallics, mainly distributed along the rolling direction. Conversely, the enhanced corrosion resistance of the 6005A+Sc-BM and the 6005A+Sc-HAZ can be attributed to the discontinuously distributed grain boundary precipitates (<em>β</em>-Mg<sub>2</sub>Si), the smaller grain size, and the reduced corrosive current density.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 60-76"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Processing, microstructure, and mechanical properties of wire arc additively-manufactured AZ91 magnesium alloy using cold arc process
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66667-7
Bai-hao CAI , Ji-kang FAN , Jie LI , Dong-qing YANG , Yong PENG , Ke-hong WANG
{"title":"Processing, microstructure, and mechanical properties of wire arc additively-manufactured AZ91 magnesium alloy using cold arc process","authors":"Bai-hao CAI ,&nbsp;Ji-kang FAN ,&nbsp;Jie LI ,&nbsp;Dong-qing YANG ,&nbsp;Yong PENG ,&nbsp;Ke-hong WANG","doi":"10.1016/S1003-6326(24)66667-7","DOIUrl":"10.1016/S1003-6326(24)66667-7","url":null,"abstract":"<div><div>Thin walls of an AZ91 magnesium alloy with fine equiaxed grains were fabricated via cold arc-based wire arc additive manufacturing (CA-WAAM), and the droplet transfer behaviours, microstructures, and mechanical properties were investigated. The results showed that the cold arc process reduced splashing at the moment of liquid bridge breakage and effectively shortened the droplet transfer period. The microstructures of the deposited samples exhibited layered characteristics with alternating distributions of coarse and fine grains. During layer-by-layer deposition, the <em>β</em>-phase precipitated and grew preferentially along grain boundaries, while the fine <em>η</em>-Al<sub>8</sub>Mn<sub>5</sub> phase was dispersed in the <em>α</em>-Mg matrix. The mechanical properties of the CA-WAAM deposited sample showed isotropic characteristics. The ultimate tensile strength and elongation in the building direction (BD) were 282.7 MPa and 14.2%, respectively. The microhardness values of the deposited parts were relatively uniform, with an average value of HV 69.6.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 91-104"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient chemical mechanical polishing of W promoted by Fenton-like reaction between Cu2+ and H2O2
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66678-1
Hong-yu CHEN , Lin WANG , Feng PENG , Meng-meng SHEN , Wei HANG , Tufa Habtamu BERI , Hui-bin ZHANG , Jun ZHAO , Yun-xiao HAN , Bing-hai LÜ
{"title":"Efficient chemical mechanical polishing of W promoted by Fenton-like reaction between Cu2+ and H2O2","authors":"Hong-yu CHEN ,&nbsp;Lin WANG ,&nbsp;Feng PENG ,&nbsp;Meng-meng SHEN ,&nbsp;Wei HANG ,&nbsp;Tufa Habtamu BERI ,&nbsp;Hui-bin ZHANG ,&nbsp;Jun ZHAO ,&nbsp;Yun-xiao HAN ,&nbsp;Bing-hai LÜ","doi":"10.1016/S1003-6326(24)66678-1","DOIUrl":"10.1016/S1003-6326(24)66678-1","url":null,"abstract":"<div><div>The Fenton-like reaction between Cu<sup>2+</sup> and H<sub>2</sub>O<sub>2</sub> was employed in chemical mechanical polishing to achieve efficient and high-quality processing of tungsten. The microstructure evolution and material removal rate of tungsten during polishing process were investigated via scanning electron microscopy, X-ray photoelectron spectroscopy, ultraviolet−visible spectrophotometry, and electrochemical experiments. The passivation behavior and material removal mechanism were discussed. Results show that the use of mixed H<sub>2</sub>O<sub>2</sub>+Cu(NO<sub>3</sub>)<sub>2</sub> oxidant can achieve higher polishing efficiency and surface quality compared with the single oxidant Cu(NO<sub>3</sub>)<sub>2</sub> or H<sub>2</sub>O<sub>2</sub>. The increase in material removal rate is attributed to the rapid oxidation of W into WO<sub>3</sub> via the chemical reaction between the substrate and hydroxyl radicals produced by the Fenton-like reaction. In addition, material removal rate and static etch rate exhibit significantly different dependencies on the concentration of Cu(NO<sub>3</sub>)<sub>2</sub>, while the superior oxidant for achieving the balance between polishing efficiency and surface quality is 0.5 wt.% H<sub>2</sub>O<sub>2</sub> +1.0 wt.% Cu(NO<sub>3</sub>)<sub>2</sub>.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 257-270"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intricate interplay between shear stress and extrusion temperature in Mg−Al composite rods
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66668-9
Jian-xing ZHAO, Chao-wei ZENG, Ting YUAN, Wei PENG, Zhen-wei SUN, Ou ZHANG, Hong-jun HU
{"title":"Intricate interplay between shear stress and extrusion temperature in Mg−Al composite rods","authors":"Jian-xing ZHAO,&nbsp;Chao-wei ZENG,&nbsp;Ting YUAN,&nbsp;Wei PENG,&nbsp;Zhen-wei SUN,&nbsp;Ou ZHANG,&nbsp;Hong-jun HU","doi":"10.1016/S1003-6326(24)66668-9","DOIUrl":"10.1016/S1003-6326(24)66668-9","url":null,"abstract":"<div><div>The Mg−Al composite rods of aluminum core-reinforced magnesium alloy were prepared by the extrusion−shear (ES) process, and the microstructure, deformation mechanism, and mechanical properties of the Mg−Al composite rods were investigated at different extrusion temperatures and shear stresses. The experimental results show that the proportion of dynamic recrystallization (DRX) and texture for Al and Mg alloys are controlled by the combination of temperature and shear stress. The texture type of the Al alloys exhibits slight variations at different temperatures. With the increase of temperature, the DRX behavior of Mg alloy shifts from discontinuous DRX (DDRX), continuous DRX (CDRX), and twin-induced DRX (TDRX) dominant to CDRX, the dislocation density in Mg alloy grains decreases significantly, and the average value of Schmid factor (SF) of the basal &lt;<em>a</em>&gt; slip system increases. In particular, partial grains exhibit a distinct dominant slip system at 390 °C. The hardness and thickness of the bonding layer, as well as the yield strength and elongation of the Mg alloy, reach their maximum at 360 °C as a result of the intricate influence of the combined temperature and shear stress.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 105-125"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrosion resistance and antibacterial properties of Ti−3Cu alloy prepared by selective laser melting
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2025-01-01 DOI: 10.1016/S1003-6326(24)66670-7
Meng-zhen ZHU , Jing-lei MIAO , Xiong-wen ZHOU , Er-lin ZHANG , Zhi-lin LIU , Hai-lin YANG
{"title":"Corrosion resistance and antibacterial properties of Ti−3Cu alloy prepared by selective laser melting","authors":"Meng-zhen ZHU ,&nbsp;Jing-lei MIAO ,&nbsp;Xiong-wen ZHOU ,&nbsp;Er-lin ZHANG ,&nbsp;Zhi-lin LIU ,&nbsp;Hai-lin YANG","doi":"10.1016/S1003-6326(24)66670-7","DOIUrl":"10.1016/S1003-6326(24)66670-7","url":null,"abstract":"<div><div>The corrosion resistance and antibacterial properties of Ti−3Cu alloy prepared by selective laser melting were evaluated using electrochemical experiments and a variety of antibacterial characterization. It is found that the charge transfer resistance of Ti−3Cu alloy was 4.89×10<sup>5</sup> Ω·cm<sup>2</sup> which was doubled the data obtained by CP-Ti alloy. The antibacterial rates of Ti−3Cu alloy against <em>S. mutans</em> and <em>P. gingivalis</em> were 45.0% and 54.5%. And the antibacterial rates increased with the prolongation of cultivation time, reaching up to 62.8% and 68.6%, respectively. The in-situ nano Ti<sub>2</sub>Cu precipitates were homogeneously distributed in the matrix of the Ti−3Cu alloy, which was the key reason of increasing the corrosion resistance. Additionally, the microscale electric fields between the <em>α</em>-Ti matrix and the Ti<sub>2</sub>Cu was responsible for the enhancement of the antibacterial properties.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 1","pages":"Pages 143-156"},"PeriodicalIF":4.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143160589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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