赵连红,张红飞,叶远桁,刘成臣,刘元海,王浩伟.两种铝合金连接结构的腐蚀-疲劳循环试验研究[J].装备环境工程,2019,16(10):95-99. ZHAO Lian-hong,ZHANG Hong-fei,YE Yuan-heng,LIU Cheng-chen,LIU Yuan-hai,WANG Hao-wei.Corrosion-Fatigue Cycle Test of Two Aluminum Alloy Connection Structures[J].Equipment Environmental Engineering,2019,16(10):95-99.
两种铝合金连接结构的腐蚀-疲劳循环试验研究
Corrosion-Fatigue Cycle Test of Two Aluminum Alloy Connection Structures
投稿时间:2019-03-12  修订日期:2019-04-13
DOI:10.7643/issn.1672-9242.2019.10.016
中文关键词:  2024铝合金  连接形式  5%NaCl盐雾环境  残余疲劳寿命
英文关键词:2024 aluminum alloy  connecting type  5% NaCl salt spray  residual fatigue life
基金项目:
作者单位
赵连红 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
张红飞 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
叶远桁 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
刘成臣 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
刘元海 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
王浩伟 中国特种飞行器研究所 结构腐蚀防护与控制航空科技重点实验室,湖北 荆门 448035 
AuthorInstitution
ZHAO Lian-hong Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
ZHANG Hong-fei Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
YE Yuan-heng Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
LIU Cheng-chen Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
LIU Yuan-hai Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
WANG Hao-wei Key Laboratory of Structure Corrosion Protection and Control of Aviation Science and Technology, China Special Vehicle Research Institute, Jingmen 448035, China 
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中文摘要:
      目的 研究2024铝合金两种连接形式在5%NaCl盐雾环境下的腐蚀疲劳性能。方法 开展2024铝合金两种连接结构在5%NaCl盐雾环境下的腐蚀疲劳试验,采用“腐蚀环境-疲劳加载”交替循环的试验模式,通过试验测试铝合金两种连接形式在5%NaCl盐雾环境下的残余疲劳寿命值,分析连接方式对铝合金连接结构的残余疲劳寿命影响。结果 5%NaCl盐雾环境对于铝合金连接结构疲劳寿命有较大影响,相较于铝制铆接连接形式,钢制螺栓连接方式连接部位的涂层破坏较少,涂层防护效果更好,疲劳寿命降低量更少。结论 金属结构连接形式与防护涂层的搭配对结构耐腐蚀性能有重要影响。
英文摘要:
      Objective To study the corrosion fatigue properties of two joint forms of 2024 aluminum alloy in 5% NaCl salt spray. Methods Corrosion fatigue test of two joint structures of 2024 aluminum alloy was carried out in 5% NaCl salt spray environment. the test mode of "corrosive environment - fatigue loading" alternate cycle was applied to get residual fatigue life values of two joint forms of aluminum alloy in 5% NaCl salt spray environment and Analyze the influence of connection method on residual fatigue life of aluminum alloy joint structure. Results 5% NaCl salt spray environment had a great impact on the fatigue life of aluminum alloy joint structure. Compared with the aluminum riveted joint, the steel bolted joint had less deformation at the joint, better coating protection effect and less fatigue life reduction. Conclusion The combination of the metal structure connection form and the protective coating has an important influence on the corrosion resistance of the structure.
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