Materials and Corrosion-werkstoffe Und Korrosion最新文献_第9页

The Intergranular Corrosion Resistance Mechanism of High Strength and Ductility AA2024 Aluminum Alloy 高强韧AA2024铝合金的抗晶间腐蚀机理

IF 2.1 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-07-09 Epub Date: 2026-04-07 DOI: 10.1002/maco.70128

Liang Ding, Zhoujie Zhang, Tian Zhao, Jun Li, Zhenwei Xie, Mingjun Peng, Liexing Zhou, Mengnie Li

{"title":"The Intergranular Corrosion Resistance Mechanism of High Strength and Ductility AA2024 Aluminum Alloy","authors":"Liang Ding, Zhoujie Zhang, Tian Zhao, Jun Li, Zhenwei Xie, Mingjun Peng, Liexing Zhou, Mengnie Li","doi":"10.1002/maco.70128","DOIUrl":"https://doi.org/10.1002/maco.70128","url":null,"abstract":"<div>\u0000 \u0000 <p>This study utilized a constrained deformation heat treatment to fabricate a multi-gradient structure in AA2024 aluminum alloy, comprising a surface deformation layer (DL) and a core constraint layer. The material demonstrated a 25.3% increase in yield strength compared to the conventional T6 state, along with a 56.4% reduction in the maximum intergranular corrosion depth. The mechanical enhancement originates from hetero deformation-induced (HDI) hardening induced by dislocation gradients and high dislocation density. The improved corrosion resistance stems from the unique grain boundary structure within the DL, where alternating high-angle and low-angle grain boundaries inhibit continuous grain boundary precipitation. The presence of coincident site lattices at high-angle grain boundaries further enhances grain boundary chemical stability. Simultaneously, high-density dislocations promote solute atom diffusion, facilitating S-phase nucleation along dislocations and resulting in discontinuous distribution along grain boundaries. The synergistic effect of these microstructural characteristics collectively reduces the material's corrosion propensity and propagation rate.</p></div>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 7","pages":"1050-1064"},"PeriodicalIF":2.1,"publicationDate":"2026-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Performance of Surface-Engineered SAE 4140 Valve Stem Steel Under High-Temperature Cyclic Oxidation and Hot-Corrosion Environment 表面工程SAE 4140阀杆钢在高温循环氧化和热腐蚀环境下的性能

IF 2.1 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-07-09 Epub Date: 2026-03-23 DOI: 10.1002/maco.70136

Pravin Kumar Mishra, Tarun Soota

{"title":"Performance of Surface-Engineered SAE 4140 Valve Stem Steel Under High-Temperature Cyclic Oxidation and Hot-Corrosion Environment","authors":"Pravin Kumar Mishra, Tarun Soota","doi":"10.1002/maco.70136","DOIUrl":"https://doi.org/10.1002/maco.70136","url":null,"abstract":"<div>\u0000 \u0000 <p>The valve stem of HHP Railway locomotives operates in a harsh thermo-chemical environment and is subjected to fluctuating temperatures, oxidizing exhaust gases, and corrosive salt deposits that promote scale growth, spallation, and premature component failure. To improve corrosion resistance, four surface-engineered conditions were examined: bare, shot-peened, coated, and a hybrid (shot-peened + coated) configuration. Each specimen was exposed to cyclic oxidation conditions, involving 50 heating–cooling cycles at 500°C in the presence of NaCl and 100 cycles at 700°C in a Na<sub>2</sub>SO<sub>4</sub>–V<sub>2</sub>O<sub>5</sub> salt mixture (60:40 wt.%), in order to reproduce aggressive locomotive exhaust corrosion environments. Gravimetric weight-change analysis was conducted to determine oxidation kinetics and parabolic rate constants (<i>K<sub>p</sub></i>), while SEM and EDS were used to evaluate oxide scale morphology, crack formation, and elemental distribution. The study aims to identify microstructural degradation mechanisms and identification of surface engineering approach that provides the greatest improvement in durability and operational reliability of locomotive valve-stem materials.</p></div>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 7","pages":"1185-1206"},"PeriodicalIF":2.1,"publicationDate":"2026-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148534337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Investigation on the Wear-Corrosion Behavior of 321 Stainless Steel and Ti in Nitric Acid Solution 321不锈钢与Ti在硝酸溶液中的磨损腐蚀行为研究

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-03-05 DOI: 10.1002/maco.70117

Chen Kan, Chaoran Lu, Mingchao Guo, Hongbin Ren, Songsong Guo, Jianping Xu, Huan Li, Jinping Wu

引用次数: 0

Corrosion Performance of Prepainted Galvanized Steel After 8-Year Outdoor Exposure Upon the Distance to the Seashore in Temperate Environment 预涂镀锌钢在温带环境下暴露8年后的腐蚀性能

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-02-02 DOI: 10.1002/maco.70115

Nathalie LeBozec, Dominique Thierry

引用次数: 0

Contents: Materials and Corrosion. 6/2026 内容：材料与腐蚀。6/2026

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 DOI: 10.1002/maco.70166

引用次数: 0

Exploring Galvanic Corrosion Behavior of CFRP/Q235 Carbon Steel in Marine Environment CFRP/Q235碳钢在海洋环境中的电偶腐蚀行为研究

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2025-12-23 DOI: 10.1002/maco.70104

Yue Hou, Zihao Guo, Tao Li, Xiaopeng Cheng, Shougang Chen

引用次数: 0

Alloy Solutions for Ammonia Cracking: A Review 氨裂解用合金解决方案综述

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-01-29 DOI: 10.1002/maco.70114

Mathias Christian Galetz, Katharina Beck, Clara Schlereth, Ceyhun Oskay

{"title":"Alloy Solutions for Ammonia Cracking: A Review","authors":"Mathias Christian Galetz, Katharina Beck, Clara Schlereth, Ceyhun Oskay","doi":"10.1002/maco.70114","DOIUrl":"https://doi.org/10.1002/maco.70114","url":null,"abstract":"<p>Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand. Ammonia has emerged as a promising carrier molecule due to its high hydrogen density and the possibility to use existing infrastructures to import hydrogen/ammonia produced from renewable sources (green hydrogen). However, utilizing catalytic ammonia cracking to recover hydrogen from ammonia requires better process understanding and new material solutions as current Ni-catalyst–based reactors are too inefficient and unsuitable for the dynamic requirements of future energy systems. To improve the knowledge base, this work provides a literature overview of the nitridation and degradation of structural materials under ammonia cracking conditions. The dependence of the corrosion rate on a wide range of parameters and the missing database for conditions beyond those similar to the Haber–Bosch process are discussed. Closing these critical knowledge gaps will enable scalable green hydrogen production, supporting the global energy transition and addressing the challenges of climate change.</p>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 6","pages":"923-934"},"PeriodicalIF":2.0,"publicationDate":"2026-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/maco.70114","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148147202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Tensile Load Characterization of Two-Point Corroded Steel Wires Via Metal Magnetic Memory Detection 基于金属磁记忆检测的两点腐蚀钢丝拉伸载荷表征

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-01-11 DOI: 10.1002/maco.70107

Junyi Song, Wei Wang, Sanqing Su, Feng Gao, Shurong Ren, Jiaxin Wang, Shuya Yu

{"title":"Tensile Load Characterization of Two-Point Corroded Steel Wires Via Metal Magnetic Memory Detection","authors":"Junyi Song, Wei Wang, Sanqing Su, Feng Gao, Shurong Ren, Jiaxin Wang, Shuya Yu","doi":"10.1002/maco.70107","DOIUrl":"https://doi.org/10.1002/maco.70107","url":null,"abstract":"<div>\u0000 \u0000 <p>The detection of corrosion defects and evaluation of stress are important for ensuring the service safety of cable systems in bridge engineering. Although the metal magnetic memory (MMM) technique has been applied to study corrosion problems in metallic materials, most studies have focused on the magnetic signal characteristics of single corrosion defects, whereas studies on adjacent two-point corrosion defects remain limited. In this study, 1670 MPa high-strength steel wires were selected as the test specimens. Electrochemically accelerated corrosion tests were conducted to prepare two-point corrosion specimens with varying defect spacings and severities, followed by MMM signal analysis and verification of the corrosion method's accuracy. A three-dimensional magnetic charge (MC) model for two-point corrosion defects was established based on MC theory, providing an explanation for the experimentally observed signal features. A tensile load characterization method combining magnetic feature parameters and Lissajous diagram analysis was developed, with <i>R</i><sup>2</sup> exceeding 0.9 for all specimens, demonstrating the potential of this method for load evaluation of two-point corroded steel wires.</p></div>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 6","pages":"1002-1012"},"PeriodicalIF":2.0,"publicationDate":"2026-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148147209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Evaluation of the Surface Treatment Utilizing KH570 on 304 Stainless Steel Tower Packing: The Effect of Silanization to Modify Tower Packing 利用KH570对304不锈钢塔填料进行表面处理的评价：硅烷化对塔填料的改性效果

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-02-04 DOI: 10.1002/maco.70116

Gao Sheng Wu, Xu Dong Zou, Rui Zong, Xiao Lei Li, Jia Qi Bian, Xiao Dong Chu, Hao Ling

{"title":"Evaluation of the Surface Treatment Utilizing KH570 on 304 Stainless Steel Tower Packing: The Effect of Silanization to Modify Tower Packing","authors":"Gao Sheng Wu, Xu Dong Zou, Rui Zong, Xiao Lei Li, Jia Qi Bian, Xiao Dong Chu, Hao Ling","doi":"10.1002/maco.70116","DOIUrl":"https://doi.org/10.1002/maco.70116","url":null,"abstract":"<div>\u0000 \u0000 <p>304 stainless steel is widely used as tower packing in the chemical industry, but its application remains challenging in the purification and separation processes of high-purity systems containing strongly corrosive media. Silanization has been proposed as a novel surface treatment technology for tower packing, can enhance corrosion resistance and improve selective separation performance for specific systems. The optimal processing conditions for silanization with KH570 were determined, significantly improving the packing's corrosion resistance. The results demonstrate that the separation efficiency of the KH570-modified packing for the methylcyclohexane–n-heptane and chlorobenzene-ethylbenzene systems increased by approximately 7%–12%, offering greater operational flexibility. Furthermore, the preliminary application of silanization technology to the surface treatment of stainless steel packing was investigated using scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and x-ray photoelectron spectrometer (XPS).</p></div>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 6","pages":"912-922"},"PeriodicalIF":2.0,"publicationDate":"2026-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148147166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Corrosion Failure Analysis of 316L Stainless Steel Exposed to the China's Bohai Sea Water-Air Interfacial Environment for 2.5 years 316L不锈钢在中国渤海水气界面环境中暴露2.5年的腐蚀失效分析

IF 2 4区材料科学

Materials and Corrosion-werkstoffe Und Korrosion Pub Date : 2026-06-02 Epub Date: 2026-01-21 DOI: 10.1002/maco.70113

Futai Zhang, Mingyu Wang, Wanbin Chen, Yunze Xu, Bernard Tribollet, Zhenbo Qin, Da-Hai Xia

{"title":"Corrosion Failure Analysis of 316L Stainless Steel Exposed to the China's Bohai Sea Water-Air Interfacial Environment for 2.5 years","authors":"Futai Zhang, Mingyu Wang, Wanbin Chen, Yunze Xu, Bernard Tribollet, Zhenbo Qin, Da-Hai Xia","doi":"10.1002/maco.70113","DOIUrl":"https://doi.org/10.1002/maco.70113","url":null,"abstract":"<div>\u0000 \u0000 <p>This work aims to investigate the corrosion electrochemical behavior of 316L stainless steel (SS) exposed to the seawater-air interfacial environment in China's Bohai Sea for 2.5 years. A floating platform was established for a 2.5 year on-site exposure test of large-scale 316L SS specimens (200 mm × 1000 mm × 3 mm) in the Bohai Strait, with the exposed surface divided into splash, waterline, and full immersion zones. Corrosion behaviors were analyzed via morphology observation and electrochemical tests. Results showed the full immersion zone had the severest corrosion (deepest pits, thickest rust, heaviest biofouling), followed by the splash zone, while the waterline zone was mildest. Electrochemically, the waterline zone exhibited the highest corrosion potential, polarization resistance, and oxide film thickness, indicating optimal corrosion resistance. Barnacles accelerated corrosion in the full immersion zone via synergistic mechanical damage and biochemical effects. This study provides references for marine engineering material selection and corrosion protection of SS.</p></div>","PeriodicalId":18225,"journal":{"name":"Materials and Corrosion-werkstoffe Und Korrosion","volume":"77 6","pages":"898-911"},"PeriodicalIF":2.0,"publicationDate":"2026-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148147231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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