Interfacial characteristic and microstructure of Fe-based amorphous coating on magnesium alloy

被引：37
作者：
Zhang, Haoran [1 ]
Wang, Shanlin [1 ]
Yang, Xianglin [1 ]
Hao, Shilei [1 ]
Chen, Yuhua [1 ]
Li, Hongxiang [2 ]
Pan, Dong [3 ]
机构：
[1] Nanchang Hangkong Univ, Jiangxi Key Lab Forming & Joining Technol Aviat C, Nanchang 330063, Jiangxi, Peoples R China
[2] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[3] Jiujiang Univ, Jiujiang 332005, Jiangxi, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2021年 / 425卷
基金：
中国国家自然科学基金;
关键词：
Fe-based amorphous coatings; Magnesium alloy; Interfacial characteristic; Bonding strength; Corrosion resistance; CORROSION BEHAVIOR; WEAR-RESISTANCE; MECHANICAL-PROPERTIES; COMPOSITE COATINGS; EROSION-CORROSION; BONDING STRENGTH; PROTECTION; TEMPERATURE; ADHESION; HEAT;
D O I：
10.1016/j.surfcoat.2021.127659
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Due to the susceptibility to corrosive environment, it is necessary for the surface protection of magnesium alloy. Fe-based amorphous coatings are deposited on the surface of WE43 magnesium alloy with a Ni60 interlayer which is fabricated by the high velocity oxy-fuel (HVOF) spraying. The interfacial characteristic, microstructure and properties as bonding strength, wearing and corrosion resistance of the amorphous coating are investigated. The results indicate that the Fe-based amorphous coating with high amorphous content and low porosity is attained on WE43 magnesium alloy, and a metallurgical bonding between the lamellar structures is identified by transmission electron microscopy (TEM). The bonding strength between amorphous coating and magnesium substrate exceeds 56 MPa. Comprehensive corrosion resistance of coatings is superior than stainless steel in 0.1 mol/L HC1 solution. The coefficient of friction is only half of that WE43 magnesium alloy. Therefore, the Fe-based amorphous coating shows a potential application for surface protection of magnesium alloy in chloride environment.
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页数：11
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