高温光纤在熔盐中的腐蚀实验研究

doi:10.11889/j.0253-3219.2018.hjs.41.040605

Nuclear Techniques ›› 2018, Vol. 41 ›› Issue (4): 40605-040605.doi: 10.11889/j.0253-3219.2018.hjs.41.040605

• NUCLEAR ENERGY SCIENCE AND ENGINEERING • Previous Articles

Experimental study on corrosion of high temperature fiber in molten salt

ZHAO Cuilan, YANG Qun, ZHOU Xuemei, HE Suixia

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus, Shanghai 201800, China

Received:2017-11-14 Revised:2017-12-21 Online:2018-04-10 Published:2018-04-11
Supported by:
Supported by Strategic Priority Research Program of Chinese Academy of Sciences (No.XD02001005)

Abstract

Abstract: [Background] The property of temperature-and corrosion-resistance of high temperature optical fiber depends on the coating layer on the surface. [Purpose] This study aims to find an optical fiber withstanding high temperature fluoride salt corrosion. [Methods] Gold-plated optical fiber was selected for experimental test in the fluoride salt of the molten state at temperatures of 600℃ and 650℃. The samples were taken out after 24 h steeped in the high temperature molten salt, and then observed under the scanning electron microscope (SEM). [Results] The SEM images of gold plating layer of the optical fiber show that the surface of the fiber remained intact, and there is no obvious sign of corrosion. [Conclusion] It can be applied to the molten salt reactor for the short-time temperature measurement.

Key words: High temperature fiber, Optical fiber temperature measurement, Molten salt

CLC Number:

TL349

ZHAO Cuilan, YANG Qun, ZHOU Xuemei, HE Suixia. Experimental study on corrosion of high temperature fiber in molten salt[J].Nuclear Techniques, 2018, 41(4): 40605-040605.

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Experimental study on corrosion of high temperature fiber in molten salt

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