Influence of electron beam liquid phase surface treatments on the corrosion resistance of AZ91D using different additive deposition techniques
Influence of electron beam liquid phase surface treatments on the corrosion resistance of AZ91D using different additive deposition techniques
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DOI：
10.1016/j.corsci.2014.07.030
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发表时间：
2014-11-01
影响因子：
8.3
通讯作者：
Jung, Anne
中科院分区：
文献类型：
--
作者：
Fritzsch, Katja;Buchwalder, Anja;Jung, Anne
采用铝基添加剂对AZ 91 D进行电子束合金化（EBA）和电子束熔覆（EBC）。对于EBA，通过大气等离子喷涂（APS）和冷气体喷涂（CGS）预沉积添加剂。在EBC的情况下，线用于原位添加剂沉积。极化测试进行了调查层的腐蚀行为与富镁（EBA）和富铝（EBC）层基质取决于元素含量的Mg，Al和Si。在0.001 M NaCl溶液中，与未处理的AZ91D相比，腐蚀电位显著提高，腐蚀电流密度接近AlSi12参考材料。(C)2014爱思唯尔有限公司版权所有。
Electron beam alloying (EBA) and electron beam cladding (EBC) were applied on AZ91D using Al-based additives. For EBA, additives were pre-deposited by atmospheric plasma spraying (APS) and cold gas spraying (CGS). In the case of EBC, a wire was used for in situ additive deposition. Polarisation test were carried out to investigate the corrosion behaviour of layers with Mg-rich (EBA) and Al-rich (EBC) layer matrices depending on the element contents of Mg, Al, and Si. In 0.001 M NaCl solution, the corrosion potential is significantly improved compared with the untreated AZ91D and corrosion current densities of the AlSi12 reference material are approached. (C) 2014 Elsevier Ltd. All rights reserved.