Ca0.68Si9Al3(ON)16 : Eu2+带状荧光纳米纤维的制备、性能及盾构盘型滚刀的磨损检测

doi:10.15541/jim20170519

无机材料学报 ›› 2018, Vol. 33 ›› Issue (8): 866-872.DOI: 10.15541/jim20170519

Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺带状荧光纳米纤维的制备、性能及盾构盘型滚刀的磨损检测

赵海雷^{1, 2}, 孙振川^{1, 2}, 陈馈^{1, 2}, 王宏志³, 杨延栋^{1, 2}, 周建军^{1, 2}, 李凤远^{1, 2}, 张兵^{1, 2}, 宋法亮²

1. 盾构及掘进技术国家重点实验室, 郑州 450000;
2. 中铁隧道局集团有限公司, 洛阳 471009;
3. 东华大学纤维材料改性国家重点实验室, 上海 201620

收稿日期:2017-11-03 修回日期:2017-12-12 出版日期:2018-08-28 网络出版日期:2018-07-17
作者简介:赵海雷(1987-), 男, 硕士研究生, 工程师. E-mail: 478339242@qq.com
基金资助:
国家973计划项目(2014CB046906);中国铁路总公司科技研究开发计划(2016G004-A);中铁隧道集团科技创新计划(隧研合2016-03, 隧研合2015-18, 隧研合2018-06);中铁建投科技创新计划课题((2016)01-3);深圳地铁集团科研课题(ZHDT-KY035/2017);The National 973 Program (2014CB046906);Science and Technology Research and Development Plan of China Railway Corporation (2016G004-A);Science and Technology Innovation Plan of China Railway Tunnel Group (2016-03, 2015-18, 2018-06);Science and Technology Innovation Plan of China Railway Construction Investment Co., Ltd. ((2016) 01-3);Research project of Shenzhen Metro Group (ZHDT-KY035/2017)

Synthesis, Property and Wear Detection of Disc Cutter for Shield Tunneling Machine of Nanobelt Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺Luminescence Fibers

ZHAO Hai-Lei^{1, 2}, SUN Zhen-Chuan^{1, 2}, CHEN Kui^{1, 2}, WANG Hong-Zhi³, YANG Yan-Dong^{1, 2}, ZHOU Jian-Jun^{1, 2}, LI Feng-Yuan^{1, 2}, ZHANG Bing^{1, 2}, SONG Fa-Liang²

1 State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, China;
2. China Railway Tunmel Group Co., Luoyang 471009, China;
3. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China

Received:2017-11-03 Revised:2017-12-12 Published:2018-08-28 Online:2018-07-17
About author:ZHAO Hai-Lei. E-mail: 478339242@qq.com

摘要/Abstract

摘要：

采用静电纺丝与气相还原氮化相结合的方式制备了Ca_0.68Si₉Al₃(ON)₁₆:Eu²⁺带状荧光纤维薄膜。利用FE-SEM、XRD、PL和万能材料试验机等测试方法对材料进行了表征。样品在微观上保持带状纤维结构, 宏观上保持薄膜的状态, 并具有一定的强度、温度、防水及化学稳定性。样品在1500℃, Eu²⁺的浓度为0.1下保温4 h后的XRD图谱与Ca_0.68Si₉Al₃(ON)₁₆的标准卡片相符合。纤维膜可以被蓝光有效激发, 表现为400~700 nm的宽峰发射光谱。将该荧光纤维膜用于盾构盘型滚刀的磨损检测, 在主控室既可以实时掌握每把滚刀的磨损程度, 又减少了带压和高风险地质段的人工检测, 大大节约了投入成本和降低了换刀作业人员的职业风险。

关键词: 静电纺丝, 带状纤维, 荧光纤维, 盘型滚刀, 磨损检测

Abstract:

Nanobelt Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺luminescence fibers for wear detection of disc cutter were prepared by a simple process electrospinning combined with gas-reduction method, and then characterized by FE-SEM, XRD, PL, and universal material testing machine. The obtained sample keeps fiber film state in micro and macroscopic level with a certain mechanical strength, temperature, waterproof and chemical stability. XRD patterns of the sample doped with Eu²⁺ 0.1 nitrided at 1500℃ for 4 h were crystallized well and assigned to Ca_0.68Si₉Al₃(ON)₁₆in JCPDF card. The fiber film can be effectively excited by blue light, showing a broad emission spectrum in the range from 400 to 700 nm. The luminescent fiber film can be practically assembled onto disc cutters for detection. The wear degree of each cutter can be real-timely monitored in the main control room, which reduces the artificial detection at high pressure and high risk geological section, the investment cost, and the occupational risk of operators.

Key words: electrospinning, nanobelt fiber, luminescence fiber, disc cutter, wear detection

中图分类号:

TQ174

赵海雷, 孙振川, 陈馈, 王宏志, 杨延栋, 周建军, 李凤远, 张兵, 宋法亮. Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺带状荧光纳米纤维的制备、性能及盾构盘型滚刀的磨损检测[J]. 无机材料学报, 2018, 33(8): 866-872.

ZHAO Hai-Lei, SUN Zhen-Chuan, CHEN Kui, WANG Hong-Zhi, YANG Yan-Dong, ZHOU Jian-Jun, LI Feng-Yuan, ZHANG Bing, SONG Fa-Liang. Synthesis, Property and Wear Detection of Disc Cutter for Shield Tunneling Machine of Nanobelt Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺Luminescence Fibers[J]. Journal of Inorganic Materials, 2018, 33(8): 866-872.

图/表 14

图1 制备荧光纤维膜的机理示意图

Fig. 1 Schematic illustration of the fabrication process of the fluorescent inorganic nanofibrous membranes

图2 (a)前驱体纤维膜和(b)高温处理后纤维膜的数码照片

Fig. 2 Digital photographs of precursor fibrous membranes (a) and fibrous membranes after heat-treatment at high temperature (b)

图3 (a)前驱体纤维膜和(b) 1500℃氮化后荧光纤维膜的SEM照片

Fig. 3 SEM images of fibrous membranes without heat- treatment (a) and nitrided at 1500℃ (b)

图4 三点弯曲法测定氮化后荧光纤维膜强度的原理图

Fig. 4 Schematic illustration of strength test for fluorescent fiber film after nitriding by three point bending method

图5 经1500℃氮化后荧光纤维膜的三点弯曲强度

Fig. 5 Three point bending strength of fluorescent fiber film after nitriding at 1500℃

图6 不同温度氮化Ca0.68Si9Al3(ON)16 : Eu2+荧光纤维膜的XRD图谱

Fig. 6 XRD patterns of Ca0.68Si9Al3(ON)16 : Eu2+ microbelts samples after nitriding at different temperatures

图7 不同温度氮化的Ca0.68Si9Al3(ON)16 : Eu2+荧光纤维膜的荧光发射光谱图

Fig.7 Emission spectra of Ca0.68Si9Al3(ON)16 : Eu2+ microbelts samples after nitriding at different temperatures

图8 不同Eu2+添加量的Ca0.68Si9Al3(ON)16 : Eu2+荧光纤维膜在氨气气氛下1500℃氮化4 h的XRD图谱

Fig. 8 XRD patterns of Ca0.68Si9Al3(ON)16 : Eu2+ microbelts samples heat-treated at 1500℃ for 4 h in flowing NH3

图9 不同Eu2+添加量的Ca0.68Si9Al3(ON)16 : Eu2+荧光纤维膜的激发(a)和发射(b)光谱图

Fig. 9 Effect of Eu2+ dropping concentration in Ca0.68Si9Al3(ON)16 : Eu2+ microbelts phosphor mat at room temperature

图10 不同温度下荧光纤维膜的荧光发射峰的强度

Fig. 10 PL emission of Ca0.68Si9Al3(ON)16 : Eu2+ microbelts phosphor mat tested at different temperatures

图11 100℃下荧光纤维膜500次拉伸循环的强度曲线

Fig. 11 Strength curves of the Ca0.68Si9Al3(ON)16 : Eu2+ microbelts phosphor mat under 500 cyclic tensile tests at 100℃.

图12 中国自主研制的最大直径敞开式TBM

Fig. 12 The largest diameter open TBM manufactured independently by China

图13 盘型滚刀磨损荧光检测系统示意图(a)和盘型滚刀与荧光纤维膜结合的细部构造图(b)

Fig. 13 Schematic diagram of fluorescence detection system for disc cutter wear (a) and detail structural drawing of disc cutter combined with fluorescent fiber film (b)1-Disc cutter; 2-Fluorescent fiber film; 3-LED chip; 4-Monitoring system

图14 荧光纤维膜用来检测不同类型刀圈磨损的照片

Fig. 14 Pictures of fluorescent fiber film used to detect the different situation of the cutters wear

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Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺带状荧光纳米纤维的制备、性能及盾构盘型滚刀的磨损检测

Synthesis, Property and Wear Detection of Disc Cutter for Shield Tunneling Machine of Nanobelt Ca_0.68Si₉Al₃(ON)₁₆ : Eu²⁺Luminescence Fibers

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