Results 11 to 20 of about 16,255 (163)
Gaoya dianqi, 2020 近期发现南网地区部分输电杆塔塔脚出现严重的腐蚀,经现场调研发现多处出现腐蚀的塔脚都被农田的土壤覆盖,土壤为塔脚腐蚀提供了良好的介质。为了研究腐蚀的杆塔塔脚腐蚀机理,获得实时测量的腐蚀数据十分重要。文中首先开展了塔脚腐蚀监测方法的研究,利用腐蚀电化学原理,提出了一种基于"条形槽"结构的腐蚀监测传感器,并开发了一套数据监测系统。接着对腐蚀监测系统的性能进行测试工作,得到了塔脚腐蚀测量系统在滴水条件、盐雾环境和干湿循环条件下的特性。最后将该系统安装到出现了塔脚腐蚀的现场,测量当地的腐蚀电流。结果表明 ...
陈文灿 +5 more
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Gaoya dianqi, 2022 采用腐蚀产物形貌结构分析方法（SEM、EDS、XRD）以及电化学测试方法，研究了在模拟高温高湿环境下腐蚀时间以及外加不同强度直流电场对电力杆塔用碳钢腐蚀行为、腐蚀产物以及形貌结构的影响。结果表明，随着腐蚀时间的延长，碳钢表面的腐蚀产物不断发生变化，腐蚀最初期的腐蚀产物以棉球状α-FeOOH为主，逐渐发展变化为片状的γ-FeOOH和尖晶长条状的Fe3O4，导致表面的腐蚀产物致密性相比腐蚀初期大大减小，对内部基底的保护作用减弱。而电场的存在则会在腐蚀时间作用的基础上进一步抑制α-FeOOH的生成、加速γ ...
李光茂 +6 more
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Gongye shui chuli, 2014 对乾北118区块水质、现场腐蚀产物进行了分析，结果表明影响该区块腐蚀的因素以CO2腐蚀为主、SRB细菌腐蚀为辅，沉积垢轻微。根据腐蚀主控因素筛选了适合该区块的缓蚀阻垢剂，配方以咪唑啉7019缓蚀剂为主，磷酸酯类EM阻垢剂为辅，筛选出的缓蚀阻垢剂能够抑制乾北118区块的腐蚀结垢趋势。
沙丽
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Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Infrared (IR) stealth is crucial for improving the survivability of equipment. The growing demand for service in marine environments poses new challenges to the composition and structural design of existing IR stealth coatings. This study first investigates the effects of NaCl/water vapor corrosion on the IR stealth performance of GH3536 and a
Kang Wang +5 more
wiley +1 more source
, 2015 研究了胜利埕岛油田用X65管线钢的管内腐蚀和管外腐蚀行为。通过失重法和电化学测试手段研究了油田中油水混合物流速和油含量对X65钢输油管线钢管内腐蚀行为的影响规律。采用动电位极化曲线和电化学阻抗谱研究了X65钢在土壤渗出液中的管外腐蚀行为,并结合X射线衍射技术(XRD)和扫描电镜(SEM)技术对X65钢腐蚀产物的晶型和形貌进行了分析。结果表明:X65钢的腐蚀速率随油水混合物流速的增加而增大,当油含量为5%(质量分数)时,其腐蚀速率最大;X65钢在土壤渗出液中的自腐蚀电流密度随浸泡时间的延长而增大 ...
侯保荣 +4 more
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Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Advanced metallic glasses, leveraging their ultrahigh strength, excellent corrosion resistance, superior soft magnetic properties and good biocompatibility, have gradually become indispensable strategic cornerstones in critical fields such as aerospace, electronic information and energy power. This unique combination of properties enables them
Yizhou Liu +11 more
wiley +1 more source
, 2019 通过Monte Carlo概率分析的方法,结合文献查阅,对3种自行研制且含不同铬含量的低合金耐蚀钢筋在海洋环境中的腐蚀起始寿命进行了预测,重点研究了温度对钢筋腐蚀起始寿命的影响规律。结果表明:温度的升高不仅降低了钢筋腐蚀的临界氯离子含量,也提高了混凝土中氯离子的扩散系数;采用低合金耐蚀钢筋可不同程度地延长混凝土中钢筋腐蚀起始寿命,提高钢筋混凝土结构在海洋环境中的耐久性 ...
李晓刚, 卢天健, 刘明, 程学群
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Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT This study developed a metal–modified fluoroethylene vinyl ether (FEVE) organic coating on 6061 aluminum alloy, supported by a micro‐arc oxidation (MAO) pretreatment layer, to enhance corrosion resistance and antifouling performance in marine environments.
Chang Liu +5 more
wiley +1 more source
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Biodegradable zinc (Zn)‐based materials are considered promising candidates for orthopedic applications because of their favorable mechanical properties, controllable biodegradability, and good biosafety profiles. However, their clinical translation is limited by early‐stage corrosion‐induced cytotoxicity and inflammation, as well as ...
Jinlong Mao +9 more
wiley +1 more source