Transactions of Nonferrous Metals Society of China最新文献

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Efficient removal of Al(III) and P507 from high concentration MgCl2 solution based on in-situ reaction strategy 基于原位反应策略从高浓度氯化镁溶液中高效去除铝(III)和 P507
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66594-5
Qiang WANG , Meng WANG , Zong-yu FENG , Yong-qi ZHANG , Xiao-wei HUANG , Xiang-xin XUE
{"title":"Efficient removal of Al(III) and P507 from high concentration MgCl2 solution based on in-situ reaction strategy","authors":"Qiang WANG ,&nbsp;Meng WANG ,&nbsp;Zong-yu FENG ,&nbsp;Yong-qi ZHANG ,&nbsp;Xiao-wei HUANG ,&nbsp;Xiang-xin XUE","doi":"10.1016/S1003-6326(24)66594-5","DOIUrl":"10.1016/S1003-6326(24)66594-5","url":null,"abstract":"<div><div>For a highly efficient recycling of a wastewater containing a high concentration of MgCl<sub>2</sub>, Al(III) and P507 were scheduled to be removed in advance. In this study, the in-situ removal of Al(III) and P507 from a high concentration MgCl<sub>2</sub> solution at different pH values and Al/P molar ratios was investigated. The results showed that P507 formed organic complexes of Al<sub><em>x</em></sub>(OH)<sup><em>z</em>+</sup><sub><em>y</em></sub>-P507 at pH of 2.0−4.0. At pH of 4.0−5.0, Al(III) precipitated and transferred into Al(OH)<sub>3</sub> with a flocculent amorphous morphology. Active sites on the Al(OH)<sub>3</sub> surface enhanced the removal efficiency of P507. At pH of 6.0−6.5, Al(III) and Mg(II) formed layered crystalline Al(OH)<sub>3</sub> and MgAl<sub>2</sub>(OH)<sub>8</sub> with small pore channels and fewer active sites, resulting in a reduced removal efficiency of P507. When the Al/P molar ratio exceeded 13 and the pH was between 4.0 and 5.0, the removal rates of both Al(III) and P507 were higher than 98%, while the concentration loss of Mg(II) was only 0.2%−0.9%.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 3042-3053"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531307","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
Damping properties and mechanism of aluminum matrix composites reinforced with glass cenospheres 玻璃纤维增强铝基复合材料的阻尼特性和机理
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66573-8
Kai SUN , Lin WANG , Hang SU , Jia-yi GENG , Qiang ZHANG , Bo MENG , Zeng-yan WEI , Gao-hui WU
{"title":"Damping properties and mechanism of aluminum matrix composites reinforced with glass cenospheres","authors":"Kai SUN ,&nbsp;Lin WANG ,&nbsp;Hang SU ,&nbsp;Jia-yi GENG ,&nbsp;Qiang ZHANG ,&nbsp;Bo MENG ,&nbsp;Zeng-yan WEI ,&nbsp;Gao-hui WU","doi":"10.1016/S1003-6326(24)66573-8","DOIUrl":"10.1016/S1003-6326(24)66573-8","url":null,"abstract":"<div><div>The damping properties were improved by preparing Al matrix composites reinforced with glass cenospheres through the pressure infiltration method. Transmission electron microscopy and scanning electron microscopy were employed to characterize the microstructure of the composites. The low-frequency damping properties were examined by using a dynamic mechanical thermal analyzer, aiming at exploring the changing trend of damping capacity with strain, temperature, and frequency. The findings demonstrated that the damping value rose as temperature and strain increased, with a maximum value of 0.15. Additionally, the damping value decreased when the frequency increased. Dislocation damping under strain and interfacial damping under temperature served as the two primary damping mechanisms. The increase in the density of dislocation strong pinning points following heat treatment reduced the damping value, which was attributed to the heat treatment enhancement of the interfacial bonding force of the composites.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2743-2755"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531409","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, interfacial reaction behavior, and mechanical properties of Ti3AlC2 reinforced Al6061 composites Ti3AlC2 增强 Al6061 复合材料的微观结构、界面反应行为和力学性能
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66574-X
Zhi-bin LIU , Jia-bao BAO , Wen-jie HU , Hong YAN
{"title":"Microstructure, interfacial reaction behavior, and mechanical properties of Ti3AlC2 reinforced Al6061 composites","authors":"Zhi-bin LIU ,&nbsp;Jia-bao BAO ,&nbsp;Wen-jie HU ,&nbsp;Hong YAN","doi":"10.1016/S1003-6326(24)66574-X","DOIUrl":"10.1016/S1003-6326(24)66574-X","url":null,"abstract":"<div><div>The interfacial reaction behavior of Al and Ti<sub>3</sub>AlC<sub>2</sub> at different pouring temperatures and its effect on the microstructure and mechanical properties of the composites were investigated. The results show that the addition of 3.0 wt.% Ti<sub>3</sub>AlC<sub>2</sub> refines the average grain size of <em>α</em>(Al) in the composite by 50.1% compared to Al6061 alloy. Morphological analyses indicate that an in-situ Al<sub>3</sub>Ti transition layer of ~180 nm in thickness is generated around the edge of Ti<sub>3</sub>AlC<sub>2</sub> at 720 °C, forming a well-bonded Al−Al<sub>3</sub>Ti interface. At this processing temperature, the ultimate tensile strength of Al6061−3.0 wt.%Ti<sub>3</sub>AlC<sub>2</sub> composite is 199.2 MPa, an improvement of 41.5% over the Al6061 matrix. Mechanism analyses further elucidate that 720 °C is favourable for forming the nano-sized transition layer at the Ti<sub>3</sub>AlC<sub>2</sub> edges. And, the thermal mismatch strengthening plays a dominant role in this state, with a strengthening contribution of about 74.8%.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2756-2771"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531410","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
Strength and plasticity improvement induced by strong grain refinement after Zr alloying in selective laser-melted AlSiMg1.4 alloy 选择性激光熔炼 AlSiMg1.4 合金中 Zr 合金化后强晶粒细化诱导的强度和塑性改善
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66572-6
Yao-xiang GENG , Chun-feng ZAI , Jiang YU , Hao TANG , Hong-wei LÜ , Zhi-jie ZHANG
{"title":"Strength and plasticity improvement induced by strong grain refinement after Zr alloying in selective laser-melted AlSiMg1.4 alloy","authors":"Yao-xiang GENG ,&nbsp;Chun-feng ZAI ,&nbsp;Jiang YU ,&nbsp;Hao TANG ,&nbsp;Hong-wei LÜ ,&nbsp;Zhi-jie ZHANG","doi":"10.1016/S1003-6326(24)66572-6","DOIUrl":"10.1016/S1003-6326(24)66572-6","url":null,"abstract":"<div><div>In order to enhance the mechanical properties of the selective laser-melted (SLM) high-Mg content AlSiMg1.4 alloy, the Zr element was introduced. The influence of Zr alloying on the processability, microstructure, and mechanical properties of the alloy was systematically investigated through performing microstructure analysis and tensile testing. It was demonstrated that the SLM-fabricated AlSiMg1.4−Zr alloy exhibited high process stability with a relative density of over 99.5% at various process parameters. Besides, the strong grain refinement induced by the primary Al<sub>3</sub>Zr particle during the melt solidification process simultaneously enhanced both the strength and plasticity of the alloy. The values for the yield strength, ultimate tensile strength, and elongation of the SLM-fabricated AlSiMg1.4−Zr were (343±3) MPa, (485±4) MPa, and (10.2±0.2)%, respectively, demonstrating good strength− plasticity synergy in comparison to the AlSiMg1.4 and other Al−Si-based alloys fabricated by SLM.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2733-2742"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531309","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
Effect of inorganic salt impurities on seeded precipitation of silica hydrate from sodium silicate solution 无机盐杂质对硅酸钠溶液中水合二氧化硅种子沉淀的影响
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66592-1
Xiao-bin LI, Xiao-bing GAO, Qiu-sheng ZHOU, Yi-lin WANG, Tian-gui QI, Lei-ting SHEN, Gui-hua LIU, Zhi-hong PENG
{"title":"Effect of inorganic salt impurities on seeded precipitation of silica hydrate from sodium silicate solution","authors":"Xiao-bin LI,&nbsp;Xiao-bing GAO,&nbsp;Qiu-sheng ZHOU,&nbsp;Yi-lin WANG,&nbsp;Tian-gui QI,&nbsp;Lei-ting SHEN,&nbsp;Gui-hua LIU,&nbsp;Zhi-hong PENG","doi":"10.1016/S1003-6326(24)66592-1","DOIUrl":"10.1016/S1003-6326(24)66592-1","url":null,"abstract":"<div><div>To clarify the precipitation of silica hydrate from the real desilication solutions of aluminosilicate solid wastes by adding seeds and improve integrated waste utilization, the seeded precipitation was studied using synthesized sodium silicate solution containing different inorganic salt impurities. The results show that sodium chloride, sodium sulfate, sodium carbonate, or calcium chloride can change the siloxy group structure. The number of high-polymeric siloxy groups decreases with increasing sodium chloride or sodium sulfate concentration, which is detrimental to seeded precipitation. Calcium chloride favors the polymerization of silicate ions, and even the chain groups precipitate with the precipitation of high-polymeric sheet and cage-like siloxy groups. The introduced sodium cations in sodium carbonate render a more open network structure of high-polymeric siloxy groups, although the carbonate ions favor the polymerization of siloxy groups. No matter how the four impurities affect the siloxy group structure, the precipitates are always amorphous opal-A silica hydrate.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 3016-3028"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531311","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
Bonding enhancement of cold rolling TA1 P-Ti/AA6061 composite plates via surface oxidation treatment 通过表面氧化处理提高冷轧 TA1 P-Ti/AA6061 复合板材的粘接强度
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66581-7
Lun FU , Bin YANG , Yun-chang GUO , Chao YU , Hong XIAO
{"title":"Bonding enhancement of cold rolling TA1 P-Ti/AA6061 composite plates via surface oxidation treatment","authors":"Lun FU ,&nbsp;Bin YANG ,&nbsp;Yun-chang GUO ,&nbsp;Chao YU ,&nbsp;Hong XIAO","doi":"10.1016/S1003-6326(24)66581-7","DOIUrl":"10.1016/S1003-6326(24)66581-7","url":null,"abstract":"<div><div>TA1 P-Ti/AA6061 composite plate was produced by oxidizing the surface of the titanium plate and adopting a cold roll bonding process. The results revealed that the oxide film (Ti<sub>6</sub>O) prepared on the surface of TA1 pure titanium was easy to crack during the cold roll bonding, thereby promoting the formation of an effective mechanical interlock at the interface, which can effectively reduce the minimum reduction rate of the composite plates produced by cold rolling of titanium and aluminium plates. Moreover, the composite plate subjected to oxidation treatment exhibited high shear strength, particularly at a 43% reduction rate, achieving a commendable value of 117 MPa. Based on oxidation treatment and different reduction rates, the annealed composite plates at temperatures of 400, 450, and 500 °C displayed favorable resistance to interface delamination, highlighting their remarkable strength−plasticity compatibility as evidenced by a maximum elongation of 31.845%.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2864-2880"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531398","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
Improvement of ionic conductivity of solid polymer electrolyte based on Cu−Al bimetallic metal-organic framework fabricated through molecular grafting 通过分子接枝技术改善基于铜铝双金属金属有机框架的固体聚合物电解质的离子电导率
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66587-8
Liu-bin SONG , Tian-yuan LONG , Min-zhi XIAO , Min LIU , Ting-ting ZHAO , Yin-jie KUANG , Lin JIANG , Zhong-liang XIAO
{"title":"Improvement of ionic conductivity of solid polymer electrolyte based on Cu−Al bimetallic metal-organic framework fabricated through molecular grafting","authors":"Liu-bin SONG ,&nbsp;Tian-yuan LONG ,&nbsp;Min-zhi XIAO ,&nbsp;Min LIU ,&nbsp;Ting-ting ZHAO ,&nbsp;Yin-jie KUANG ,&nbsp;Lin JIANG ,&nbsp;Zhong-liang XIAO","doi":"10.1016/S1003-6326(24)66587-8","DOIUrl":"10.1016/S1003-6326(24)66587-8","url":null,"abstract":"<div><div>A composite solid electrolyte comprising a Cu−Al bimetallic metal-organic framework (CAB), lithium salt (LiTFSI) and polyethylene oxide (PEO) was fabricated through molecular grafting to enhance the ionic conductivity of the PEO-based electrolytes. Experimental and molecular dynamics simulation results indicated that the electrolyte with 10 wt.% CAB (PL-CAB-10%) exhibits high ionic conductivity (8.42×10<sup>−4</sup> S/cm at 60 °C), high Li<sup>+</sup> transference number (0.46), wide electrochemical window (4.91 V), good thermal stability, and outstanding mechanical properties. Furthermore, PL-CAB-10% exhibits excellent cycle stability in both Li−Li symmetric battery and Li/PL-CAB- 10%/LiFePO<sub>4</sub> asymmetric battery setups. These enhanced performances are primarily attributable to the introduction of the versatile CAB. The abundant metal sites in CAB can react with TFSI<sup>−</sup> and PEO through Lewis acid–base interactions, promoting LiTFSI dissociation and improving ionic conductivity. Additionally, regular pores in CAB provide uniformly distributed sites for cation plating during cycling.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2943-2958"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531404","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
Acid mine drainage activation mechanism on lime-depressed pyrite flotation from copper sulfide ore 硫化铜矿石中的酸性矿排水对石灰压黄铁矿浮选的活化机理
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66590-8
Jia-qiao YUAN , Zhan DING , Yun-xiao BI , Jie LI , Shu-ming WEN , Shao-jun BAI
{"title":"Acid mine drainage activation mechanism on lime-depressed pyrite flotation from copper sulfide ore","authors":"Jia-qiao YUAN ,&nbsp;Zhan DING ,&nbsp;Yun-xiao BI ,&nbsp;Jie LI ,&nbsp;Shu-ming WEN ,&nbsp;Shao-jun BAI","doi":"10.1016/S1003-6326(24)66590-8","DOIUrl":"10.1016/S1003-6326(24)66590-8","url":null,"abstract":"<div><div>The lime-depressed pyrite from Cu differential flotation tailings with acid mine drainage (AMD) as a natural activator was recovered. The effect of AMD on lime-depressed pyrite flotation was investigated by a series of laboratory flotation tests and surface analytical techniques. Flotation test results indicated that AMD could effectively activate the pyrite flotation with a sodium butyl xanthate (SBX) collector, and a high-quality sulfur concentrate was obtained. Pulp ion concentration analysis results indicated that AMD facilitated desorption of Ca<sup>2+</sup> and adsorption of Cu<sup>2+</sup> on the depressed-pyrite surface. Adsorption measurements and contact angle analysis results confirmed that adding AMD improved the adsorption amount of SBX collector on the pyrite surface and increased the contact angle by 31°. Results of Raman spectroscopy and X-ray photoelectron spectroscopy analysis indicated that AMD treatment promoted the formation of hydrophobic species (S<sup>0</sup> hydrophobic entity and copper sulfides) and the removal of hydrophilic calcium and iron species on the pyrite surface, which reinforced the adsorption of collector. The findings of the present research provide important theoretical basis and technical support for a cleaner production of copper sulfide ores.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2987-3001"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531407","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
Rapid detection and risk assessment of soil contamination at lead smelting site based on machine learning 基于机器学习的铅冶炼厂土壤污染快速检测与风险评估
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66595-7
Sheng-guo XUE , Jing-pei FENG , Wen-shun KE , Mu LI , Kun-yan QIU , Chu-xuan LI , Chuan WU , Lin GUO
{"title":"Rapid detection and risk assessment of soil contamination at lead smelting site based on machine learning","authors":"Sheng-guo XUE ,&nbsp;Jing-pei FENG ,&nbsp;Wen-shun KE ,&nbsp;Mu LI ,&nbsp;Kun-yan QIU ,&nbsp;Chu-xuan LI ,&nbsp;Chuan WU ,&nbsp;Lin GUO","doi":"10.1016/S1003-6326(24)66595-7","DOIUrl":"10.1016/S1003-6326(24)66595-7","url":null,"abstract":"<div><div>A general prediction model for seven heavy metals was established using the heavy metal contents of 207 soil samples measured by a portable X-ray fluorescence spectrometer (XRF) and six environmental factors as model correction coefficients. The eXtreme Gradient Boosting (XGBoost) model was used to fit the relationship between the content of heavy metals and environment characteristics to evaluate the soil ecological risk of the smelting site. The results demonstrated that the generalized prediction model developed for Pb, Cd, and As was highly accurate with fitted coefficients (<em>R</em><sup>2</sup>) values of 0.911, 0.950, and 0.835, respectively. Topsoil presented the highest ecological risk, and there existed high potential ecological risk at some positions with different depths due to high mobility of Cd. Generally, the application of machine learning significantly increased the accuracy of pXRF measurements, and identified key environmental factors. The adapted potential ecological risk assessment emphasized the need to focus on Pb, Cd, and As in future site remediation efforts.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 3054-3068"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531308","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 behavior of 2A97 Al−Cu−Li alloys in different thermomechanical conditions by quasi-in-situ analysis 通过准原位分析 2A97 Al-Cu-Li 合金在不同热机械条件下的腐蚀行为
IF 4.7 1区 材料科学
Transactions of Nonferrous Metals Society of China Pub Date : 2024-09-01 DOI: 10.1016/S1003-6326(24)66575-1
You LÜ, Xiang-zhe MENG, Yan-yan LI, Ze-hua DONG, Xin-xin ZHANG
{"title":"Corrosion behavior of 2A97 Al−Cu−Li alloys in different thermomechanical conditions by quasi-in-situ analysis","authors":"You LÜ,&nbsp;Xiang-zhe MENG,&nbsp;Yan-yan LI,&nbsp;Ze-hua DONG,&nbsp;Xin-xin ZHANG","doi":"10.1016/S1003-6326(24)66575-1","DOIUrl":"10.1016/S1003-6326(24)66575-1","url":null,"abstract":"<div><div>As a promising material in the aircraft industry, 2A97 Al−Cu−Li alloy exhibits high corrosion susceptibility that may limit its application. In the present work, to illustrate the influences of precipitate and grain-stored energy on localized corrosion evolution in 2A97 Al−Cu−Li alloy, cold working and artificial aging were carried out to produce 2A97 Al−Cu−Li alloys under different thermomechanical conditions. Quasi-in-situ analysis, traditional immersion test and electrochemical measurement were then conducted to examine the corrosion behavior of 2A97 alloys. It is revealed that precipitate significantly affects Cu enrichment at corrosion fronts, which determines corrosion susceptibility of alloys, whereas grain-stored energy distribution is closely associated with localized corrosion propagation. It is also indicated that quasi-in-situ analysis exhibits a consistent corrosion evolution with traditional immersion tests, which is regarded as a proper method to explore localized corrosion mechanisms by providing local microstructural information with enhanced time and spatial resolutions.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"34 9","pages":"Pages 2772-2786"},"PeriodicalIF":4.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142531494","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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