Experimental Study on Corrosion Characteristics of Aluminum Alloy in Salt Spray Environment

CHENG Wenli; YANG Hui; REN Dejie; HE Erfeng; LI Yufeng

doi:10.16080/j.issn1671-833x.2020.12.092

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Experimental Study on Corrosion Characteristics of Aluminum Alloy in Salt Spray Environment

更新时间：2025-10-30

- Experimental Study on Corrosion Characteristics of Aluminum Alloy in Salt Spray Environment
- Aeronautical Manufacturing Technology Vol. 63, Issue 12, Pages: 92-96(2020)
- 作者机构：
  
  1. 中国航空制造技术研究院,北京,100024
  2. 中航复合材料有限责任公司,北京,101300
  3. 南京赛宝工业技术研究院,苏州,215011
  4. 航空工业成都飞机设计研究所,成都,610041
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2020.12.092
  CLC：
- Published：2020
- 稿件说明：
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程文礼，杨慧，任德杰，何二锋，李玉峰 . 表面处理对铝合金盐雾环境下的腐蚀特性试验研究[J]. 航空制造技术, 2020, 63(12): 92-96.

CHENG Wenli, YANG Hui, REN Dejie,HE Erfeng,LI Yufeng. Experimental Study on Corrosion Characteristics of Aluminum Alloy in Salt Spray Environment. Aeronautical Manufacturing Technology, 2020, 63(12): 92-96.
程文礼，杨慧，任德杰，何二锋，李玉峰 . 表面处理对铝合金盐雾环境下的腐蚀特性试验研究[J]. 航空制造技术, 2020, 63(12): 92-96. DOI： 10.16080/j.issn1671-833x.2020.12.092.

CHENG Wenli, YANG Hui, REN Dejie,HE Erfeng,LI Yufeng. Experimental Study on Corrosion Characteristics of Aluminum Alloy in Salt Spray Environment. Aeronautical Manufacturing Technology, 2020, 63(12): 92-96. DOI： 10.16080/j.issn1671-833x.2020.12.092.

摘要

采用盐雾试验研究了不同表面处理状态下的 2124–T851 铝合金试样在盐雾环境下的腐蚀特性，按 96h 一循环拍照记录了 960h 内试样的表面腐蚀状态。结果表明：未经过表面处理的铝合金试样随腐蚀时间的增加，表面腐蚀程度逐渐增加，表面磷酸阳极化（PAA）处理后并喷涂底胶及底漆的试样具有较好的耐腐蚀性。通过比较，发现喷涂 BR–127 和 TB06–9 试样在试验过程中均未出现腐蚀点，说明 BR–127 及 TB06–9 具有较好的耐盐雾腐蚀性。

Abstract

The corrosion characteristics of 2124–T851 aluminum alloy samples under different performance treatment conditions in salt spray environment were studied by salt spray test. The surface corrosion state of the sample within 960h was recorded by photograph every 96h a cycle. The results show that the surface corrosion of aluminum alloy samples surface without treatment gradually increases with the increase of corrosion time

the sample with surface phosphoric acid anodized (PAA) and sprayed with primer has good corrosion resistance. By comparison

it was found that there was no corrosion point in the test of BR–127 and TB06–9

which shows that BR–127 and TB06–9 have good salt spray corrosion resistance.

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