[1]庞玉玲,刘 庆.doi: 10.3969/j.issn.1001-3849.2026.02.014等离子喷涂对建筑模板用AZ61A镁合金的防护效果[J].电镀与精饰,2026,(02):121-129.
　PANG YulingLIU Qing.Protective effects of plasma spraying on AZ61A magnesium alloy for construction formwork[J].Plating & Finishing,2026,(02):121-129.
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doi: 10.3969/j.issn.1001-3849.2026.02.014等离子喷涂对建筑模板用AZ61A镁合金的防护效果()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年02
页码:
121-129
栏目:
出版日期:
2026-02-28

文章信息/Info

Title:
Protective effects of plasma spraying on AZ61A magnesium alloy for construction formwork
作者:
庞玉玲1; 刘 庆2
(1. 郑州升达经贸管理学院 建筑工程学院,河南 郑州 450000 ;2. 郑州工业应用技术学院 建筑工程学院,河南 新郑 451100)
Author(s):
PANG Yuling1LIU Qing2
(1. School of Architectural Engineering, Zhengzhou Shengda University, Zhengzhou 450000, China; 2. College of Architectural Engineering, Zhengzhou University of Industrial Technology, Xinzheng 451100, China)
关键词:
腐蚀防护; AZ61A镁合金; 建筑模板; Al2O3-20%TiO2; 等离子喷涂
Keywords:
corrosion protection;  AZ61A magnesium alloy;  construction formwork;  Al2O3-20%TiO2;  plasma spraying
分类号:
TG174.4；TQ170
文献标志码:
A
摘要:
摘要：以适用于建筑模板的AZ61A镁合金作为基体，采用等离子喷涂技术分别制备单一Al2O3-20%TiO2涂层、Ni-Al/Al2O3-20%TiO2复合涂层，并结合建筑模板的实际使用环境进行5 d中性盐雾实验，测试并评估单一涂层和复合涂层的耐腐蚀性能及对AZ61A镁合金的短期防护效果。结果表明：单一涂层与复合涂层的厚度相近，均为(285±10) μm，且两者都与AZ61A镁合金紧密结合。复合涂层主要含Al、Ni、O和Ti元素，且由α-Al2O3、γ-Al2O3和Rutile-TiO2相组成，其表面相对平整，致密性明显好于单一涂层。复合涂层的腐蚀电流密度较AZ61A镁合金降低超过两个数量级，并且经5 d中性盐雾试验后仍能保持较好的表面平整度与致密性。与单一Al2O3-20%TiO2涂层相比，Ni-Al/Al2O3-20%TiO2复合涂层对AZ61A镁合金的短期防护效果更好，通过等离子喷涂技术制备该复合涂层，能为延长镁合金建筑模板的使用寿命提供实验依据。
Abstract:
AZ61A magnesium alloy, which was selected as the substrate, was suitable for construction formwork. Plasma spraying technology were employed to prepare a single Al2O3-20%TiO2 coating and a Ni-Al/Al 2O3-20%TiO2 composite coating, respectively. Combined with the actual service environment of construction formwork, the corrosion resistance of the single coating and composite coating, as well as their short-term protective effects on AZ61A magnesium alloy were tested and evaluated by 5 d neutral salt spray test. The results show that both the single coating and the composite coating have similar thickness, measuring (285±10) μm, and are tightly bonded to the AZ61A magnesium alloy. The composite coating is mainly composed of Al, Ni, O and Ti elements, and its phase composition consists of α-Al2O3, γ-Al2O3, and Rutile-TiO2. The surface is relatively flat, and its compactness is significantly better than that of single coating. The corrosion current density of the composite coating is reduced by more than two orders of magnitude compared with that of AZ61A magnesium alloy, and it can still maintain good surface flatness and compactness after 5 d neutral salt spray test. Compared with the single Al2O3-20%TiO2 coating, the Ni-Al/Al2O3-20%TiO2 composite coating exhibits better short-term protective effects on AZ61A magnesium alloy. The preparation of this composite coating via plasma spraying technology can provide experimental evidence for extending the service life of magnesium alloy construction formwork.

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更新日期/Last Update: 2026-02-09