JOURNAL OF MOLECULAR LIQUIDS
·
2024
·
IF 5.3
Qinhua Miao,Lei Fan,Fan Zhang,Yaran Lv,Jie Cheng
Cobalt is a potential substitute for copper as local interconnects in sub-10 nm interconnects, the chemical mechanical polishing (CMP) of which is quite challenging due to the high chemical reactivity of Co. By using a combination of experiments and theoretical calculations, the optimum corrosion inhibitor of Co is identified and the corrosion inhibition mechanism of TTLYK on Co is further investigated. It investigates the effects of various corrosion inhibitors, including potassium oleate, dodecyl benzene sulphonic acid, octyl hydroxamic acid, and 2,2′-[[(methyl-1H-benzotriazol-1yl) methyl] imino] bis-ethanol (TTLYK) on Co through chemical mechanical polishing and static etching experiments. The results show that among various corrosion inhibitors, TTLYK presents the best corrosion inhibition effect. When the basic slurry contains 10 mM TTLYK, the corrosion inhibition efficiency could reach 96.23 %, the material removal rates of Co is 161.79 nm/min, the static etching rates is 0.85 nm/min, and the material removal selectivity ratio of Co and Ti is 39:1. The results fully meet the requirements of the Co bulk CMP process. It is revealed TTLYK could form a protective layer with a synergistic physical and chemical adsorption on Co, in which the chemical adsorption occurs through the formation of Co N bonds. The adsorption of TTLYK could decelerate the transformation of CoO and Co(OH) 2 to Co 3 O 4 , and the as formed Co-TTLYK complex provides the main corrosion inhibition.
研究领域:
材料科学
·
表面工程
✓ 已验证
DOI
高影响因子
CORROSION SCIENCE
·
2018
·
IF 4.862
Jie Qiu,Bin Leng,Huajian Liu,Digby D. Macdonald,Angjian Wu,Yanyan Jia,Wandong Xue,Guojun Yu,Xingtai Zhou
The effect of SO 4 2− on the corrosion behavior of 316 L stainless steel (SS) in molten FLiNaK (LiF-NaF-KF: 46.5–11.5–42 mol.%) salt was studied. Results reveal that the SO 4 2− in the salt remarkably accelerates the corrosion of 316 L SS by promoting the dissolution of Cr, leading to increasing intergranular corrosion of the alloy. On the other hand, the results of structural characterization indicate that the SO 4 2− can react with Mn to form MnS at the grain boundaries of the alloy. The galvanic couple between MnS and steel matrix could further accelerate the intergranular corrosion of 316 L SS in molten fluoride salt environments.
研究领域:
材料科学
·
腐蚀科学
·
无机化学
·
核工程材料
·
高温电化学
✓ 已验证
DOI
高影响因子
Journal of Energy Storage
·
2024
·
IF 8.9
X.J. Xue,J. Dong,C.Y. Zhao
Molten carbonate salt is one of the promising candidates for high-temperature thermal energy storage tailored towards advanced pumped-thermal energy storage and next generation concentrated solar power technologies. However, severe corrosion of structural materials exposed to molten carbonate salts poses one of the most pivotal threats in terms of limiting their large-scale application at ever-escalating temperatures. Here, we elaborate the compatibility of three commercial austenitic stainless steels specifically SS310, SS316L and Incoloy 625 with Li 2 CO 3 -K 2 CO 3 (28–72 wt%) eutectic salt. The corrosion behavior and corrosion mechanism of Fe-Cr (SS316L), Fe-Cr-Ni (SS310) and nickel-based (In625) alloys at 600 °C in air were also investigated. It revealed that SS310 exhibited better corrosion resistance compared to SS316 and In625, with weight loss of 23.8 mg/cm 2 and corrosion rate of 522 μm/year after 500 h of exposure at 600 °C. This implies that higher Ni content of the alloy may not necessarily improve the corrosion resistance, it is associated with the basicity of the molten and the solubility of Ni salt in the melt. ICP analysis indicated that the salts exposed to SS310 and In625 at the same exposure time both had nearly 11 times more Ni than that exposed to SS316. Precisely, it is related to the behavior of the Cr-enriched zones formed in the corrosion layers of different alloys. The corrosion mechanism of SS310 specimens in molten carbonate can be generally divided into the following steps: (i) selective oxidation of the metal elements and lithiation reactions of the metal oxides to generate a passivation scale, (ii) an ever-growing middle transition scale consisted of mixed metal oxides and lithium-containing compounds, (iii) cracking and peeling off of the corrosion scale.
研究领域:
材料科学
·
能源工程
✓ 已验证
DOI
高影响因子
CORROSION SCIENCE
·
2020
·
IF 6.479
Junying Hu,Qi Xiong,Longjun Chen,Chenfeng Zhang,Ziqi Zheng,Shuai Geng,Zhi Yang,Xiankang Zhong
The corrosion inhibition of carbon steel in CO 2 -O 2 -containing environment is one of the biggest challenges in flue gas injection for enhanced oil recovery. Herein we report the possibility to use Bis(2-ehylhexyl) phosphate (BEP) to inhibit the corrosion in CO 2 -O 2 -containing solution and simultaneously the inhibition mechanisms are unmasked. The results show that the corrosion is greatly inhibited with 500 ppm BEP in 1 wt% NaCl solution with 0.02 MPa CO 2 and 3 mg/L O 2 . BEP could interact with Fe and corrosion products via the formation of P-O-Fe bond and P-Fe bond to generate a barrier layer, thus, offering a protective performance.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
PROGRESS IN ORGANIC COATINGS
·
2022
·
IF 6.206
Dashuai Yan,Zhenhua Zhang,Wenjia Zhang,Yanli Wang,Meng Zhang,Tao Zhang,Jun Wang
The poor dispersion of carbon nanotubes (CNTs) limits their practical enhancement in polymer matrix due to strong Van der Waals force among them and their high aspect ratio. Here, a highly dispersed silica/carbon nanotube (HAC) nanomaterial was prepared, which effectively solved the agglomeration problem of CNTs-based materials. More importantly, X-ray photoelectron spectroscopy (XPS), Thermogravimetric analysis (TG) and UV–vis spectra results confirm that HAC nanomaterials can achieve the loading and release of corrosion inhibitors . Basing on these, we developed a smart self-healing coating system (HACB/EP) to further improve the corrosion resistance of the coating. Electrochemical impedance spectroscopy (EIS) investigation shows that HACB/EP still has the highest low-frequency impedance value compared with other coatings after 30 d of immersion, and the electrochemical self-healing efficiency (η es ) of HACB/EP with an artificial defect (De-HACB/EP) turns into positive values at the second (24–48 h) and third (48–72 h) stage. In general, the enhanced corrosion protection and excellent self-healing performance of HACB/EP will greatly promote the development of smart anticorrosion coatings.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
BIOELECTROCHEMISTRY
·
2025
·
IF 4.5
Nianting Xue,Hao Sun,Shihang Lu,Yizhen Yu,Wenyan Ma,Guangzhou Liu,Wenwen Dou
Microbiologically influenced corrosion (MIC) poses a serious threat to the structural integrity of Cu Ni alloys under marine service conditions. This study proposed a novel antibacterial peptide (Tcs) combined with Alkyl Dimethyl Benzyl Ammonium Chloride (ADBAC) to inhibit MIC in 90/10 Cu Ni alloy induced by Desulfovibrio ferrophilus IS5. Bacterial counts, environmental parameters analysis, surface morphological analyses, weight loss measurements, and electrochemical tests were conducted, through which the antibacterial and corrosion inhibition effects were demonstrated. The results showed that 180 ppb Peptide Tcs (180 Tcs) alone exerted almost no inhibitory effect on D. ferrophilus IS5, whereas a significant concentration-dependent enhancement was observed when Peptide Tcs was combined with 20 ppm ADBAC (20 ADBAC). Specifically, the 20 ppm ADBAC +180 ppb Peptide Tcs (20 ADBAC-180 Tcs) combination further reduced sessile bacterial counts by one order of magnitude compared to 20 ADBAC alone, while the weight loss rate and maximum pitting depth decreased by approximately 86 % and 61 %, respectively. These findings provide new insights into optimizing traditional biocide systems with small antimicrobial peptides and developing green, efficient strategies for controlling marine MIC.
研究领域:
材料科学
·
微生物学
·
腐蚀工程
·
海洋技术
·
抗菌肽
✓ 已验证
DOI
PubMed
高影响因子
PROGRESS IN ORGANIC COATINGS
·
2024
·
IF 6.5
Xin Lai,Jianfeng Hu,Jinqing Qu
The self-healing coating loaded with corrosion inhibitors has been proven to protect metals against harsh corrosive environments . However, the complex stimulation methods and inability to resist ultraviolet (UV) radiation greatly limit the further application of these coatings in intelligent corrosion protection . In this work, a self-healing epoxy (EP) coating activated by sunlight with photothermal conversion and UV resistance performances is developed by incorporating benzotriazole (BTA) and polydopamine-modified cerium oxide (mCeO 2 ) loaded poly (ε-caprolactone) (PCL) microspheres . BTA@PCL/mCeO 2 microspheres can not only endow composite coating with excellent anti-corrosion capability (|Z| 0.01Hz value of 1.97 × 10 9 Ω∙cm 2 ) but also achieve efficient photothermal self-healing under sunlight irradiation of 200 mW/cm 2 for 10 min. Based on the results of scanning electrochemical microscopy , the healing efficiency of composite coatings on scratched areas reaches 92.13 % after immersion for 24 h, which is much higher than 5.27 % of pure EP coatings. Profited from the UV absorption and free radical scavenging ability of BTA@PCL/mCeO 2 microspheres, the composite coatings still maintain stabilized impedance modulus values (3.62 × 10 8 Ω·cm 2 ) after 120 h of UV exposure. Therefore, this work offers a promising candidate for long-term corrosion protection under harsh application conditions.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
International Journal of Minerals Metallurgy and Materials
·
2024
·Vol. 32
·期 1
·119-126
·
IF 5.6
Wang Xiaoxue,Jin Lulu,Wang Jinke,Wang Rongqiao,Liu Xiuchun,Gao Kai,Sun Jingli,Yuan Yong,Ma Lingwei,Qian Hongchang,Zhang Dawei
The atmospheric corrosion monitoring (ACM) technique has been widely employed to track the real-time corrosion behavior of metal materials. However, limited studies have applied ACM to the corrosion protection properties of organic coatings. This study compared a bare epoxy coating with one containing zinc phosphate corrosion inhibitors, both applied on ACM sensors, to observe their corrosion protection properties over time. Coatings with artificial damage via scratches were exposed to immersion and alternating dry and wet environments, which allowed for monitoring galvanic corrosion currents in real-time. Throughout the corrosion tests, the ACM currents of the zinc phosphate/epoxy coating were considerably lower than those of the blank epoxy coating. The trend in ACM current variations closely matched the results obtained from regular electrochemical tests and surface analysis. This alignment highlights the potential of the ACM technique in evaluating the corrosion protection capabilities of organic coatings. Compared with the blank epoxy coating, the zinc phosphate/epoxy coating showed much-decreased ACM current values that confirmed the effective inhibition of zinc phosphate against steel corrosion beneath the damaged coating.
研究领域:
材料科学
·
腐蚀与防护
✓ 已验证
产品关联
DOI
高影响因子
PROGRESS IN ORGANIC COATINGS
·
2024
·
IF 6.5
Xinfang Zhang,Shupei Liu,Zhilan Du,Changqing Yin,Xingjian Dai,Dashuang Wang,Quan Zhou,Chenzhi Zhang,Zhiyu Yi,Huan Zhou,Wei Lu,Shibo Chen,Jinsong Rao,Yuxin Zhang,Xiaoying Liu
Two-dimensional (2D) materials have been potentially applicable for the corrosive resistance of alloys in corrosive media. Nevertheless, a challenge remains in adapting the 2D nanomaterial layered double hydroxide (LDH) with diatomaceous earth (DE) as two inorganic nanocontainers homogeneously combined and loaded with controlled release corrosion inhibitors . In this research, the high-efficiency anti-corrosion nanofiller for LA51 alloy protection was obtained by integrating MgAl-LDH with Sodium phosphate (SP) utilizing the unique hollow porous structure of DE as a template. As a result, the incorporation of DE-LDH-P provides a 3-order of magnitude enhancement in coating immersion in 3.5 wt% NaCl solution for 40 days compared to pure epoxy. Furthermore, two nanocontainers of DE and LDH with corrosion inhibitor loading up to 15 wt% still demonstrated excellent corrosive protection after 120 h of salt spray. The key to its protective performance is promoting controlled corrosion inhibitor release through a scientific approach that fully utilizes the slow-release properties of DE and LDH. This strategy offers a straightforward and effective approach for formulating anti-corrosion additives tailored for use in corrosive settings, with potential applications across various industrial sectors. Specifically, we advocate for the utilization of maritime instrumentation, underwater armaments, and seawater-based power sources within the domains of ship construction and marine engineering.
研究领域:
材料科学
·
腐蚀与防护
✓ 已验证
产品关联
DOI
高影响因子
Case Studies in Construction Materials
·
2025
·
IF 6.6
Jiandong Zuo,Sitao Luo,Biqin Dong,Guanqi Wei,Yanshuai Wang
Corrosion of steel in reinforced concrete usually occurs in marine environment. In this study, the fly ash-slag-based geopolymer coating of steel were modified by the epoxy emulsion (EP) as toughening agent. The influence of different EP contents on the interfacial properties of the coatings was investigated through adhesion test and scanning electron microscope (SEM) analysis. To evaluate the anti-corrosion behavior of the coatings, electrochemical measurement was conducted in five typical simulated solutions for three months. The anti-corrosion performance of the coatings was comprehensively assessed by considering the corrosion morphology and corrosion rate of the coated steel samples. The results demonstrated that the 5 % EP-modified geopolymer coating exhibited superior adhesion and corrosion resistance compared to the steel reinforcement. The rust inhibition mechanism of the modified geopolymer coating can be attributed to the dense structure of the geopolymer and the formation of Mg-Al LDH during the geopolymerization reaction.
研究领域:
材料科学
·
腐蚀与防护
✓ 已验证
产品关联
DOI
高影响因子
Heliyon
·
2022
·
IF 3.776
Qi Zhang,Xueqin Zhang,Zhuang Ma,Ling Liu,Yanbo Liu,Wei Zheng
Thermal and environmental barrier coatings (TEBCs), an up-to-date concept, are introduced to protect silicon-based ceramic matrix composites (CMCs) from not only high-temperature water vapor but also alkali salts from volcanic ash and dust suspended in the atmosphere. Both high-temperature steam and CMAS will cause Si-based CMCs to deteriorate rapidly. By executing the corrosion test against high-temperature water vapor, we find that the Y 2 SiO 5 /Si double-layer TEBC can effectively protect SiC f /SiC CMCs from water vapor at 1300 °C for over 205 h. Almost all Y 2 SiO 5 transforms into Y 4.67 (SiO 4 ) 3 O after the corrosion test. It is also found that in the CMAS corrosion test, the reaction zone formed between the CMAS and Y 2 SiO 5 layers prevents the mutual diffusion of elements in the CMAS and Y 2 SiO 5 layers. The apparent activation energy of the reaction between CMAS and Y 2 SiO 5 in the 1200–1300 °C temperature range is calculated to be 713.749 kJ/mol. These findings provide a reference for selecting appropriate materials for TEBCs.
研究领域:
材料科学
·
高温腐蚀
✓ 已验证
DOI
高影响因子
BIOELECTROCHEMISTRY
·
2025
·
IF 4.5
Jiahao Sun,Shihang Lu,Ming Cheng,Nianting Xue,Shiqiang Chen,Guangzhou Liu,Yuanyuan Gao,Li Lai,Wenwen Dou
Microbiologically influenced corrosion (MIC) affects offshore production activities severely. Although adding biocides is a simple method, it can cause environmental damage over time. Using green biocide enhancers is a viable strategy to reduce the amount of biocides. In this study, four novel peptides, named Peptide T/Tc/Ts/Tcs, were designed by a natural peptide extracted from the Arctic sea squirt to enhance the efficacy of tetrakis hydroxymethyl phosphonium sulfate (THPS) in mitigating the biocorrosion of EH36 steel caused by Desulfovibrio ferrophilus . The combination of 40 ppm THPS and 100 nM Peptide T/Tc/Ts/Tcs reduced the corrosion rates of EH36 steel by 68 %, 71 %, 86 %, and 90 % after the 7-d incubation, respectively. Notably, 40 ppm THPS + 100 nM Peptide Ts/Tcs achieved similar antimicrobial and biocorrosion mitigation effects as 100 ppm THPS. It suggests that optimizing the cationic and hydrophobic properties of peptides could enhance the bactericidal properties of biocides.
研究领域:
材料科学
·
微生物学
·
环境科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）