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Q235上电弧喷涂Zn55Al涂层在3.5%NaCl溶液中的腐蚀行为(英文) 被引量:4
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作者 冯上宾 贾丽娜 +3 位作者 张花蕊 王方方 刘光旭 张虎 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2019年第4期1087-1095,共9页
使用电弧喷涂通过包套挤压+拉拔的方法制备的Zn55Al伪合金丝材在Q235钢上喷涂出了Zn55Al涂层。通过扫描电镜和微区XRD研究了Zn55Al伪合金丝材的显微结构。通过浸泡腐蚀实验和电化学方法研究了Zn55Al涂层、Zn15Al涂层和Al涂层的腐蚀行为... 使用电弧喷涂通过包套挤压+拉拔的方法制备的Zn55Al伪合金丝材在Q235钢上喷涂出了Zn55Al涂层。通过扫描电镜和微区XRD研究了Zn55Al伪合金丝材的显微结构。通过浸泡腐蚀实验和电化学方法研究了Zn55Al涂层、Zn15Al涂层和Al涂层的腐蚀行为,并对比了3种涂层之间的差异。结果表明Zn55Al伪合金丝材由纯锌和纯铝组成,在整个成型过程中没有产生合金化。Zn55Al涂层由层片状的富锌相和富铝相组成。经过20 d的浸泡实验,Zn55Al涂层形成了一层致密的钝化膜,比其他2种涂层有更好的耐腐蚀性。Zn55Al涂层的自腐蚀电位大约是–1.25 V,高于Zn15Al涂层,低于纯Al涂层和Q235基体。电偶腐蚀实验表明,Zn55Al涂层比Zn15Al涂层具有更好的电化学保护作用。这些结果说明Zn55Al涂层具有更好的耐腐蚀性,可以给Q235基体提供更强的电化学保护。本研究也讨论了Zn55Al涂层的的腐蚀机理。 展开更多
关键词 多芯包套热挤压 zn55al伪合金丝 zn55al涂层 腐蚀行为
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Potentiodynamical Research of Zn-Al-Mg Alloy System in the Neutral Ambience of NaCl Electrolyte and Influence of Mg on the Structure
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作者 Reza Amini Ziadolla Obidov +1 位作者 Izatulla Ganiev Mohammad Razazi 《Journal of Surface Engineered Materials and Advanced Technology》 2012年第2期110-114,共5页
The results of anodic behavior of Zn5Al, Zn55Al alloys alloyed with Magnesium in the environment and their micro-structures are studied. A potentiodynamical research carried out by Zinc-Aluminum alloys, alloyed with M... The results of anodic behavior of Zn5Al, Zn55Al alloys alloyed with Magnesium in the environment and their micro-structures are studied. A potentiodynamical research carried out by Zinc-Aluminum alloys, alloyed with Magnesium obtained a corrosion-resistant coating with optimum concentration of Magnesium about 0.005 - 0.1wt%. The rate of corrosion of these alloys is 2 - 2.5 times lower than Zn5Al, Zn55Al initial alloys. It is explained by the effect of modification on the structure of original alloys and they can be used as an anticorrosion coating for protecting corrosion of steel frames. 展开更多
关键词 Zn5Al zn55al MAGNESIUM NACL ELECTROLYTE CORROSION RESISTANT
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Anodic Behavior of Zn-Al-Be Alloys in NaCl Solution and the Influence of Be on Structure
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作者 Reza Amini Ziadolla Obidov +1 位作者 Izatulla Ganiev Mohammad Razazi 《Journal of Surface Engineered Materials and Advanced Technology》 2012年第2期127-131,共5页
Potentiodynamic results of anodic behavior of Zn5Al and Zn55Al alloys, alloyed with Beryllium in the ambience of NaCl electrolyte and their microstructures are studied. They showed that a small addition of Beryllium (... Potentiodynamic results of anodic behavior of Zn5Al and Zn55Al alloys, alloyed with Beryllium in the ambience of NaCl electrolyte and their microstructures are studied. They showed that a small addition of Beryllium (0.005 - 0.05 wt%) improves the corrosion resistance of Zn5Al and Zn55Al original alloys to 2 - 3 times by changing grains shape to spherical and changing sizes to small grains. The proposed composition of Zinc-Aluminum alloy, which contains of Beryllium, can be used as anodic coatings to protect steel products and constructions against corrosion. 展开更多
关键词 Zn5Al zn55al BERYLLIUM NACL Solution Corrosion RESISTANT
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