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基于太赫兹波的氟橡胶材料热损伤检测

Thermal Damage Detection of Fluororubber Material Based on Terahertz Wave

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摘要

采用太赫兹时域光谱(THz-TDS)技术对受到不同程度热损伤的氟橡胶材料进行检测,获得各样品在0.4~1 THz波段的时域光谱、频域光谱和吸收谱。结果发现,氟橡胶材料的太赫兹特征谱段介于-382~-376 ps之间。进一步对不同程度热损伤样品的太赫兹特征谱段的最大值、峰峰值和吸收系数进行对比和拟合分析,结果发现,氟橡胶材料特征谱段的最大值、峰峰值和吸收系数均与热损伤温度存在良好的线性关系,相关系数可达0.9614。研究结果可为氟橡胶材料的太赫兹无损识别和热损伤定量检测提供参考。

Abstract

Terahertz time-domain spectroscopy technology was applied to detect fluororubber materials with different degrees of thermal damages to acquire the time-domain spectrum, frequency-domain spectrum and absorption spectrum of each sample in 0.4-1 THz band. The experimental results showed that the terahertz spectrum of fluororubber materials was between -382 ps and -376 ps. Further comparison and fitting analysis of the maximum value, peak-to-peak value, and absorption coefficient of terahertz characteristic spectrum of different degrees of thermal damage samples indicated that these values had good linear relationships with the temperature of the thermal damage, in which the correlation coefficient could reach 0.9614. The results could provide a reference for terahertz nondestructive identification and quantitative detection of thermal damage for fluororubber materials.

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中图分类号:O433.4

DOI:10.3788/LOP57.173003

所属栏目:光谱学

基金项目:福建省自然科学基金、莆田市科技项目;

收稿日期:2019-12-30

修改稿日期:2020-01-18

网络出版日期:2020-09-01

作者单位    点击查看

王洋:福州大学机械工程及自动化学院, 福建 福州 350108
林振衡:福州大学机械工程及自动化学院, 福建 福州 350108莆田学院机电工程学院, 福建 莆田 351100
唐天赐:福州大学机械工程及自动化学院, 福建 福州 350108
宋骆林:莆田学院机电工程学院, 福建 莆田 351100

联系人作者:林振衡(147121176@qq.com)

备注:福建省自然科学基金、莆田市科技项目;

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引用该论文

Wang Yang,Lin Zhenheng,Tang Tianci,Song Luolin. Thermal Damage Detection of Fluororubber Material Based on Terahertz Wave[J]. Laser & Optoelectronics Progress, 2020, 57(17): 173003

王洋,林振衡,唐天赐,宋骆林. 基于太赫兹波的氟橡胶材料热损伤检测[J]. 激光与光电子学进展, 2020, 57(17): 173003

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