基于激光剪切散斑干涉评估包覆药柱粘接质量
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摘要
提出了一种新的模拟包覆药柱界面粘接缺陷的试样制作方式,并通过剪切散斑干涉技术评估包覆药柱的粘接质量,进而讨论该无损检测技术的探伤能力。文章首先介绍了包覆药柱人工缺陷的制作方式,制备了三个脱粘缺陷直径分别在2～4 mm之间的包覆药柱试块;接着简单介绍了剪切散斑干涉的基本原理,搭建了基于迈克尔逊干涉的光路系统,使用真空激励对包覆药柱试块加载;最后使用剪切散斑干涉技术对实际包覆药柱产品进行验证性探伤测试。实验结果表明,剪切散斑干涉技术是评估包覆层粘接质量有效的探伤手段,可检出直径为2 mm左右的人工缺陷,同时可以检测出实际包覆药柱产品的界面脱粘缺陷。本文的研究可为包覆药柱界面脱粘缺陷的制作以及该类型缺陷的检测提供技术支撑。
A specimen fabrication method for simulating the bonding quality of solid propellant inhibitor was proposed in this paper.The bonding quality of the solid propellant inhibitor was evaluated by shearography,and the NDT capability of this technique was also discussed.Firstly,the fabrication method of artificial defects in solid propellant inhibitor was thoroughly introduced,and three specimens with the defects′ diameters about 2～4 mm are prepared.Then,the basic principle of shearography was roughly introduced,and the test optical path based on Michelson interferometry was constructed.The vacuum excitation was applied to load the specimens.Meanwhile a solid propellant inhibitor product was tested by this technique.The experimental results showed that shearography method was a very effective method to evaluate the bonding quality of solid propellant inhibitor,and it can detect the defect with a diameter of about 2 mm.This study provided technical support for the fabrication of bonding defects of solid propellant inhibitor and the detection of this type of defects.
A specimen fabrication method for simulating the bonding quality of solid propellant inhibitor was proposed in this paper.The bonding quality of the solid propellant inhibitor was evaluated by shearography,and the NDT capability of this technique was also discussed.Firstly,the fabrication method of artificial defects in solid propellant inhibitor was thoroughly introduced,and three specimens with the defects′ diameters about 2～4 mm are prepared.Then,the basic principle of shearography was roughly introduced,and the test optical path based on Michelson interferometry was constructed.The vacuum excitation was applied to load the specimens.Meanwhile a solid propellant inhibitor product was tested by this technique.The experimental results showed that shearography method was a very effective method to evaluate the bonding quality of solid propellant inhibitor,and it can detect the defect with a diameter of about 2 mm.This study provided technical support for the fabrication of bonding defects of solid propellant inhibitor and the detection of this type of defects.
引文
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[15] Gryzagoridis J,Findeis D,Vukeya N B.Vacuum excitation in shearographic NDT[J].Insight:Non-Destructive Testing and Condition Monitoring,2007,49(2):98-101.
[16] Gregory R.Rapid,sensitive inspection of marine composites using laser shearography[J].International SAMPE Technical Conference,Stamford,United Kingdom,2004.
[17] Wu S J,Zhu L Q,Feng Q B,et al.Digital shearography with in situ phase shift calibration[J].Optics and Lasers in Engineering,2012,50(9):1260-1266.
[18] Feng H J,Zhang J,Liu X K.Studies on digital shearography for testing of aircraft composite structures and honeycomb-based specimen[J].Applied Mechanics and Materials,2011,121-126:1264-1268.
[19] Graue R,Reutlinger A.Structural condition monitoring system for RLV tanks[C]//International Astronautical Federation-55th International Astronautical Congress,Munich,Germany,2004.
[20] Liu B,Wei Q,Tu J,et al.Inspection of the interior surface of cylindrical vessels using optic fiber shearography[J].Measurement Science and Technology,2017,28(9):095202.
[2] LI Ruiqi,JIANG Zaohua,WANG Fuping,et al.Binding property of silicon rubber inhibitor and propellant[J].Materials Science and Technology,2003,11(3):265-267.(in Chinese)李瑞琦,姜兆华,王福平,等.推进剂与硅橡胶包覆层间粘接性能研究[J].材料科学与工艺,2003,11(3):265-267.
[3] Nikiforova N A,Sheryshev M A.Estimation of the adhesion strength of rubber-metal bonds[J].Polymer Science-Series D,2012,5:53-59.
[4] Del Vecchio R J,Ferro Jr E.Strength vs.durability of rubber-metal bonds factor effects from processing and chemistry[J].Rubber World,2008,237:37-41.
[5] LIU Rongzhen.Industrial CT measurement technology to solid rocket engine[J].Tactical Missile Technology,2008,5:92-93.(in Chinese)刘荣臻.固体火箭发动机工业CT检测技术[J].战术导弹技术,2008,5:92-93.
[6] Jian X M,Guo N,Li M X,et al.Characterization of bonding quality in a multilayer structure using segment adaptive filtering[J].Journal of Nondestructive Evaluation,2002,21(2):55-65.
[7] Emeterio J L S,Ramos A,Pardo E,et al.Ultrasonic pulse propagation in a bonded three-layered structure[J].The Journal of the Acoustical Society of American,2008,123(5):3697.
[8] Zhang C,Yu C,Chen J.An ultrasonic testing method of multi-layer adhesive joint based on wavelet analysis[C]//Proceedings of 2011 International Conference on Transportation,Mechanical,and Electrical Engineering,Shijiazhuang,2011.
[9] Yang Z,Zhang W,Tian G,et al.Debond in small curvature adhesion structure detected by thermal wave nondestructive testing[J].Journal of Materials Engineering,2010,12:39-43.
[10] Y Y Hung,H P Ho.Shearography:an optical measurement technique and applications[J].Materials Science and Engineering,2005,49(3):61-87.
[11] Francis D,Tatam R P,Groves R M.Shearography technology and applications:a review[J].Measurement Science and Technology,2010,21(10):102001.
[12] Santos F,Vaz M,Monteiro J.A new set-up for pulsed digital shearography applied to defect detection in composite structures[J].Optics and Lasers in Engineering,2004,42:131-140.
[13] Lai W L,Kou S C,Poon S,et al.Characterization of flaws embedded in externally bonded CFRP on concrete beams by infrared thermography and shearography[J].Journal of Nondestructive Evaluation,2009,28(1):27-35.
[14] Liu B,Guo X M,Qi G J,et al.Quality evaluation of rubber-to-metal bonded structures based on shearography[J].Science China Physics Mechanics & Astronomy,2015,58(7):1-8.
[15] Gryzagoridis J,Findeis D,Vukeya N B.Vacuum excitation in shearographic NDT[J].Insight:Non-Destructive Testing and Condition Monitoring,2007,49(2):98-101.
[16] Gregory R.Rapid,sensitive inspection of marine composites using laser shearography[J].International SAMPE Technical Conference,Stamford,United Kingdom,2004.
[17] Wu S J,Zhu L Q,Feng Q B,et al.Digital shearography with in situ phase shift calibration[J].Optics and Lasers in Engineering,2012,50(9):1260-1266.
[18] Feng H J,Zhang J,Liu X K.Studies on digital shearography for testing of aircraft composite structures and honeycomb-based specimen[J].Applied Mechanics and Materials,2011,121-126:1264-1268.
[19] Graue R,Reutlinger A.Structural condition monitoring system for RLV tanks[C]//International Astronautical Federation-55th International Astronautical Congress,Munich,Germany,2004.
[20] Liu B,Wei Q,Tu J,et al.Inspection of the interior surface of cylindrical vessels using optic fiber shearography[J].Measurement Science and Technology,2017,28(9):095202.