带有防咬死铜镀层的标准螺纹紧固件放气率测试*

doi:10.13385/j.cnki.vacuum.2024.04.15

真空 ›› 2024, Vol. 61 ›› Issue (4): 80-84.doi: 10.13385/j.cnki.vacuum.2024.04.15

带有防咬死铜镀层的标准螺纹紧固件放气率测试^*

卯鑫^1,2, 冯思庆^1,2,3, 刘鹏¹, 彭学兵¹, 吴欢¹

1.中国科学院合肥物质科学研究院等离子体物理研究所,安徽合肥 230031;
2.中国科学技术大学,安徽合肥 230026;
3.合肥科烨电物理设备制造有限公司,安徽合肥 230088

收稿日期:2023-11-10 出版日期:2024-07-25 发布日期:2024-07-29
通讯作者: 冯思庆,工程师。
作者简介:卯鑫（1984-）,男,安徽阜阳人,博士生,工程师。
基金资助:
* 中国科学院青年创新促进会项目偏滤器强化传热技术研究（Y15YZ51293）

Test of Outgassing Rates of Threaded Fasteners with Copper Anti-seize Coating

MAO Xin^1,2, FENG Si-qing^1,2,3, LIU Peng¹, PENG Xue-bing¹, WU Huan¹

1. Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;
2. University of Science and Technology of China, Hefei 230026, China;
3. Hefei Key Electrical Physical Equipment Manufacturing Co., Ltd., Hefei 230088, China

Received:2023-11-10 Online:2024-07-25 Published:2024-07-29

摘要/Abstract

摘要： 铜镀层是防止聚变堆运行时真空室内标准螺纹紧固件咬死的主要手段之一。针对带有铜镀层标准螺纹紧固件在高真空下的放气现象,本文简要介绍了铜镀层工艺及麻点缺陷的解决方法,采用小孔流导法测试了其放气率,分析了铜镀层及环境温度等对放气率的影响。结果表明：脱附气体由氢、水、氮气和CO₂组成;含氢放气率未达到要求,这与铜镀层工艺、放气率测试环境及测试时间等因素有关,需对试验影响因素加以控制,以达到聚变堆真空室内材料的放气率要求。

关键词: 标准螺纹紧固件, 咬死, 电镀铜, 放气率

Abstract: Copper coating is one of the main means to solve the anti-seize problem of threaded fasteners in vacuum vessel during the running of fusion reactor. This work briefly introduces the coating copper procedure and the solution to pitting-attacks on the copper coating. Meanwhile, to satisfy the high vacuum requirement, the orifice conductance method was used to test the outgassing rates of threaded fasteners with copper coating. The impact of copper coating, environmental temperature, and other factors on the material outgassing rate was analyzed in detail. The results show that the desorption gas is composed of hydrogen, water, nitrogen, CO₂, and the contained hydrogen rate does not meet the relevant requirements. This is bound up with coating copper process, test environment, test time and so on. It is necessary to control the test influential factors to achieve the anticipated outgassing rate requirements of material in vacuum vessel of fusion reactor.

Key words: standard threaded fastener, seizing, copper coating, outgassing rate

中图分类号: TB74

卯鑫, 冯思庆, 刘鹏, 彭学兵, 吴欢. 带有防咬死铜镀层的标准螺纹紧固件放气率测试^*[J]. 真空, 2024, 61(4): 80-84.

MAO Xin, FENG Si-qing, LIU Peng, PENG Xue-bing, WU Huan. Test of Outgassing Rates of Threaded Fasteners with Copper Anti-seize Coating[J]. VACUUM, 2024, 61(4): 80-84.

参考文献

[1] CHAPPUIS P, BARABASH V, EATON R, et al.Copper antiseize coating specification for invessel components[Z]. 2017.
[2] PEARCE R, WORTH L. ITER vacuum handbook[R/OL].2019-11-19. https://www.iter.org/technical-reports.
[3] 王勇, 李格. 永磁体钕铁硼的热出气率[J]. 真空科学与技术学报, 2000, 20(4): 296-299.
[4] 冯焱, 曾祥坡, 张涤新, 等. 小孔流导法材料放气率测量装置的设计[J]. 宇航计测技术, 2010, 30(3): 66-69.
[5] 张涤新, 曾祥坡, 冯焱, 等. 材料放气率测量方法评述[J]. 真空, 2010, 47(6): 1-5.
[6] 罗艳, 王魁波, 吴晓斌, 等. 高精度真空材料放气测试研究[J]. 真空科学与技术学报, 2016, 36(3): 251-257.
[7] BATTES K, DAY C, HAUER V.Outgassing rate measurements of stainless steel and polymers using the difference method[J]. Journal of Vacuum Science & Technology A, 2015, 33(2).: 021603.
[8] 关玉慧, 宋洪, 董海义, 等. 常见放气率测试方法的量化比较[J]. 真空科学与技术学报, 2020, 40(6): 524-530.
[9] 李津铭, 王进伟, 刘俊男, 等. 真空材料放气率高精度测量装置[J]. 真空, 2023, 60(4): 60-64.
[10] 冯思庆, 卯鑫, 刘鹏, 等. 聚变堆真空室用标准螺纹紧固件防咬死铜镀层麻点原因分析[J]. 电镀与涂饰,2023, 42(1): 66-72.
[11] ZOU C, SONG Y, WU H, et al.Outgassing measurements for the turn insulation of CFETR poloidal field coils[J]. Fusion Engineering and Design, 2016, 105: 101-103.
[12] 曾祥坡, 张涤新, 冯焱, 等. 小孔流导法测量材料放气率研究[J]. 真空, 2010, 47(3): 55-58.
[13] 达道安. 真空设计手册[M]. 3 版. 北京:国防工业出版社, 2004: 1040-1083.
[14] LUO Y, WU X, WANG K, et al.Comparative study on surface influence to outgassing performance of aluminum alloy[J]. Applied Surface Science, 2020, 502: 144166.
[15] 罗艳, 王魁波, 吴晓斌, 等. 电镀件的真空放气特性研究[J]. 真空科学与技术学报, 2022, 42(8): 578-583.
[16] 张亚平, 张绍裕, 刘炼, 等. 零件表面钝化处理对杜瓦放气率的影响[J]. 红外与激光工程, 2021, 50(5): 8-13.
[17] 余荣, 魏萌萌, 闫睿, 等. 一种基于对称结构的固体材料放气率测试装置设计[J]. 真空科学与技术学报,2023, 43(7): 577-582.
[18] AIELLO G, MEIER A, SCHERER T, et al.Outgassing measurements for the ITER EC H&CD upper launcher[J]. Fusion Engineering and Design, 2011, 86(9-11): 2474-2477.
[19] 连小晓, 杨传森, 吴端, 等. 真空保温杯常用材料放气特性研究[J]. 真空科学与技术学报, 2020, 40(5):485-489.
[20] FENG Y, DONG M, LI D, et al.Study on vacuum materials outgassing rate using the method of switching between two pumping paths[J]. Mapan, 2014, 29(4): 229-234.
[21] 冯焱, 董猛, 吴晓斌, 等. 基于分压力测量的真空材料放气率测试方法研究[J]. 真空, 2013, 50(4): 49-52.

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带有防咬死铜镀层的标准螺纹紧固件放气率测试^*

Test of Outgassing Rates of Threaded Fasteners with Copper Anti-seize Coating

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