Measuring the static shear strength of anaerobic adhesives in finite thickness under high pressure

被引:17
作者
Corigliano, P. [1 ]
Ragni, M. [2 ]
Castagnetti, D. [2 ]
Crupi, V. [1 ]
Dragoni, E. [2 ]
Guglielmino, E. [1 ]
机构
[1] Univ Messina, Dept Engn, Messina, Italy
[2] Univ Modena & Reggio Emilia, Dept Sci & Methods Engn, Reggio Emilia, Italy
关键词
Anaerobic adhesives; Digital Image Correlation; experimental torque tests; compressive preload; BONDED FRICTION INTERFACES; EXPLOSIVE WELDED-JOINTS; INTERFERENCE-FIT; MODEL; VALIDATION; STEEL;
D O I
10.1080/00218464.2019.1704271
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Although anaerobic adhesives are extensively used in addition to mechanical tightening in flanged couplings, interference fits, and threaded connections, their constitutive behaviour still needs to be investigated. According to the micromechanical model proposed by Dragoni and Mauri [Proc. of the IMECHE Part L J. of Mat.: Des. and Appl. 2002; 216: 9-15], the shear strength of the anaerobic adhesives significantly improves with the contact pressure applied to the thin adhesive layer. In order to assess this hypothesis, this work investigates the shear strength of an anaerobic adhesive layer with finite thickness and surface area, subject to a nearly-uniform contact pressure, up to 1000 MPa. The tests involved a head to head bonded specimen, made of high strength steel adherends (39NiCrMo3), with a controlled roughness on the bonding surfaces. Both a weak and a strong anaerobic adhesive (Loctite 243 and Loctite 638) are investigated. A full-field technique, such as the Digital Image Correlation, was used in order to detect the 3D displacement and strain fields, and to evaluate the twist angle of the entire external surface, with particular attention to the interface area. The preliminary results prove the reliability of the test bench and confirms the piezo-resistive response of the anaerobic adhesive.
引用
收藏
页码:783 / 800
页数:18
相关论文
共 29 条
[1]  
Adams R. D., 1997, STRUCT ADHES JOINTS
[2]  
[Anonymous], 2009, 689212009 EN ISO
[3]   Digital Image Correlation Analysis Of The Effects Of The Overlap Length, Adhesive Thickness And Adherends Yield Strength Over Similar And Dissimilar Joints Of High Strength Steel And Aluminum Alloys [J].
Bamberg, P. A. M. G. P. ;
Reisgen, U. ;
Schiebahn, A. ;
Barbosa, J. D. V. ;
Marx, B. ;
Coelho, R. S. .
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 2018, 83 :69-75
[4]   Experimental Investigation and Model Validation of the Shear Strength of Hybrid Interfaces up to Complete Failure [J].
Castagnetti, D. ;
Dragoni, E. .
JOURNAL OF ADHESION, 2016, 92 (7-9) :679-697
[5]   Adhesively-bonded friction interfaces: Macroscopic shear strength prediction by microscale finite element simulations [J].
Castagnetti, D. ;
Dragoni, E. .
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 2014, 53 :57-64
[6]   Experimental Assessment of a Micro-Mechanical Model for the Static Strength of Hybrid Friction-Bonded Interfaces [J].
Castagnetti, D. ;
Dragoni, E. .
JOURNAL OF ADHESION, 2013, 89 (08) :642-659
[7]   Predicting the macroscopic shear strength of adhesively-bonded friction interfaces by microscale finite element simulations [J].
Castagnetti, D. ;
Dragoni, E. .
COMPUTATIONAL MATERIALS SCIENCE, 2012, 64 :146-150
[8]   Characterising the behaviour of composite single lap bonded joints using digital image correlation [J].
Comer, A. J. ;
Katnam, K. B. ;
Stanley, W. F. ;
Young, T. M. .
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 2013, 40 :215-223
[9]   Non linear finite element simulation of explosive welded joints of dissimilar metals for shipbuilding applications [J].
Corigliano, Pasqualino ;
Crupi, Vincenzo ;
Guglielmino, Eugenio .
OCEAN ENGINEERING, 2018, 160 :346-353
[10]   Full-field analysis of AL/FE explosive welded joints for shipbuilding applications [J].
Corigliano, Pasqualino ;
Crupi, Vincenzo ;
Guglielmino, Eugenio ;
Sili, Andrea Mariano .
MARINE STRUCTURES, 2018, 57 :207-218