| 盐雾环境下部段对接紧固件耐腐蚀性研究 |
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| 作者姓名： | 卢松涛 刘立东 杨浩亮 邹士文 郭莹 商显扬 张志博 张程浩 |
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| 作者单位： | 北京宇航系统工程研究所;航天材料及工艺研究所;首都航天机械公司;天津航天长征火箭制造有限公司 |
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| 摘 要： | 海洋盐雾大气环境下,结构直接暴露在大气环境中,可能会遭遇高温、高湿及雨淋等环境条件。通过真实环境浸泡试验和暴露试验,验证在不同防水措施下的不同材料/表面处理的紧固件耐腐蚀性能,并对试验中钛合金螺栓承载力偏低现象进行了分析。
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| 关 键 词： | 盐雾环境 部段对接 紧固件 耐腐蚀性 |
Research on Corrosion Resistance of the Fastener on Connection Section Structure in Salt Fog |
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| Authors: | LU Songtao LIU Lidong YANG Haoliang ZOU Shiwen Guo Ying SHANG Xianyang ZHANG Zhibo and ZHANG Chenghao |
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| Institution: | Beijing Institute of Astronautical Systems Engineering,Beijing Institute of Astronautical Systems Engineering,Beijing Institute of Astronautical Systems Engineering,Aerospace Research Institute of Materials and Processing Technology,Capital Aerospace Machinery Corporation,Beijing Institute of Astronautical Systems Engineering,Long March Launch Vehicle Manufacturing Co., Ltd and Beijing Institute of Astronautical Systems Engineering |
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| Abstract: | In ocean salt fog atmosphere environment, the whole structure is exposed directly to open atmosphere, and may suffer environment conditions such as heat, humidity and rain etc. In this work,soaking and exposing experiments is carried out in a true environment at launch site, verifying the bearing corrosion function of fasteners to waterproof measure under different material and surface handles. And analysis on low loading phenomenon of titanium alloy bolts in the experiment is conducted. |
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| Keywords: | Salt fog Connection section structure Fastener Corrosion resistance |
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