| 聚四氟乙烯基耐磨涂层在制冷机中的试验分析 |
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| 引用本文： | 辛存良,程多文,杨坤,傅斌.聚四氟乙烯基耐磨涂层在制冷机中的试验分析[J].低温与超导,2020(7):29-32. |
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| 作者姓名： | 辛存良 程多文 杨坤 傅斌 |
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| 作者单位： | 中国电子科技集团公司第十六研究所低温技术安徽省重点实验室 |
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| 摘 要： | 通过在斯特林制冷机中的关键零部件活塞表面喷涂一定厚度的聚四氟乙烯基耐磨涂层,并对活塞喷涂件在斯特林制冷机中进行跑合试验,研究了耐磨涂层在斯特林制冷机中的应用情况,将经过跑合试验后的斯特林制冷机打开内部并观察各零部件的摩擦磨损情况,同时分析了耐磨涂层对斯特林制冷机的影响作用机理。结果表明:通过延长固化时间和升高固化温度可以有效解决涂层吸水性和收缩性的应用限制。
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| 关 键 词： | 斯特林制冷机 聚四氟乙烯 耐磨涂层 吸水性 收缩性 |
Experimental analysis on the wear-resistant coatings based by PTFE in the refrigerator |
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| Xin Cunliang,Cheng Duowen,Yang Kun,Fu Bin.Experimental analysis on the wear-resistant coatings based by PTFE in the refrigerator[J].Cryogenics and Superconductivity,2020(7):29-32. |
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| Authors: | Xin Cunliang Cheng Duowen Yang Kun Fu Bin |
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| Institution: | (Anhui Provincial Laboratory of Refrigeration and Cryogenics Technologies,the 16th Research Institute of China Electronics Technology Group Corporation,Hefei 230088,China) |
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| Abstract: | he paper was discussed to spray certain thickness wear-resistant coatings based by PTFE on the piston as the key parts of stirling cryocooler,and conducted the running-in test of the stirling cryocooler to research its application effect.Besides,observing the friction and wear of each part by opening the stirling cryocooler after running-in test,and analysising the mechanism of the wear-resistant coating on the stirling cryocooler after the running-in test.The conclusion showed that the application limitation of water absorption and shrinkage of the coating could be effectively solved by prolonging the curing time and increasing the curing temperature. |
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| Keywords: | Stirling cryocooler PTFE Wear-resistant coatings Water absorption Contractility |
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