The shear strength characterization of bonded joints involving adherends with a remarkably different stiffness has a peculiar interest in industrial applications. This work proposes and investigates three innovative specimens (an axisymmetric annular, a tensile and a torsional one) purposely developed to manage dissimilar adherends bonded with adhesive in thin film. A Thick Adherend Shear Test specimen between rigid adherends is used for the assessment of the adhesive by itself. The work focuses on metal-elastomeric polyurethane bonded joints with a solventbased adhesive. All the tests are performed through an axial dynamometer, using a purposely developed fixture to convert the tensile load in a torque for the torsional specimen. The tensile and the torsional specimens provide the most reliable shear strength characterization.

Shear Strength Characterization of Metal-Elastomer Bonded Joints / Ragni, Marina; Castagnetti, Davide; Spaggiari, Andrea; Muccini, Filippo; Dragoni, Eugenio; Milelli, Matteo; Girlando, Simone; Borghi, Pierluigi. - In: FME TRANSACTIONS. - ISSN 1451-2092. - 45:3(2017), pp. 360-366. [10.5937/fmet1703360R]

Shear Strength Characterization of Metal-Elastomer Bonded Joints

RAGNI, MARINA;CASTAGNETTI, Davide;SPAGGIARI, Andrea;DRAGONI, Eugenio;
2017

Abstract

The shear strength characterization of bonded joints involving adherends with a remarkably different stiffness has a peculiar interest in industrial applications. This work proposes and investigates three innovative specimens (an axisymmetric annular, a tensile and a torsional one) purposely developed to manage dissimilar adherends bonded with adhesive in thin film. A Thick Adherend Shear Test specimen between rigid adherends is used for the assessment of the adhesive by itself. The work focuses on metal-elastomeric polyurethane bonded joints with a solventbased adhesive. All the tests are performed through an axial dynamometer, using a purposely developed fixture to convert the tensile load in a torque for the torsional specimen. The tensile and the torsional specimens provide the most reliable shear strength characterization.
2017
28-mar-2017
45
3
360
366
Shear Strength Characterization of Metal-Elastomer Bonded Joints / Ragni, Marina; Castagnetti, Davide; Spaggiari, Andrea; Muccini, Filippo; Dragoni, Eugenio; Milelli, Matteo; Girlando, Simone; Borghi, Pierluigi. - In: FME TRANSACTIONS. - ISSN 1451-2092. - 45:3(2017), pp. 360-366. [10.5937/fmet1703360R]
Ragni, Marina; Castagnetti, Davide; Spaggiari, Andrea; Muccini, Filippo; Dragoni, Eugenio; Milelli, Matteo; Girlando, Simone; Borghi, Pierluigi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1129913
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