真空极端温度环境下不同MoS2涂层分离螺母 装置解锁性能研究
Study on Unlocking Performance of Separation Nut Devices with Different MoS2 Coating under Extreme Temperature Vacuum Enviorment
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摘要:为评价不同二硫化钼工艺状态的分离螺母装置在真空极端温度环境下的解锁性能,开展了摩擦磨损试验和分离螺母装置气动解锁试验。在-100~120℃度真空环境下进行了球-盘式摩擦磨损试验,结果表明磁控溅射MoS2比树脂基MoS2具有更好的真空和极端温度适应性。在-120~120℃真空环境下通过气动解锁性能测试,发现两种涂层状态的分离螺母装置均能够正常气动解锁,但采用磁控溅射MoS2的分离螺母装置所需要的解锁压力更低。
Abstract:In order to evaluate the unlocking performance of separating nut device with different MoS2 coating in the extreme temperature vacuum environment, the friction performance test and the pneumatic unlocking test were carried out. Compared with resin-based MoS2, magnetron-sputtering MoS2 has better adaptability to vacuum and extreme temperature according to the ball on disc rubbing test in vacuum environment of -100 ~ 120 ℃. The pneumatic unlocking performance test was carried out in the vacuum environment of -120 ~ 120 ℃. It is found that the separating nut device with two kinds of coating state can be normally pneumatic unlocked, but the releasing pressure of the separating nut device with magnetron-sputtering MoS2 is lower.
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