scholarly journals Deformation Mechanism in Mechanically Coupled Polymer–Metal Hybrid Joints

Materials ◽  
2020 ◽  
Vol 13 (11) ◽  
pp. 2512
Author(s):  
Karol Bula ◽  
Tomasz Sterzyński ◽  
Maria Piasecka ◽  
Leszek Różański

In this, work, metal inserts were joined with polyamide 6 by using the injection-molding technique. The metal parts, made of steel grade DC 04, were mechanically interlocked with polyamide 6 (PA6) by rivets as a mechanical connection between both components in the form of s polymer filling the holes in the metallic parts. The mechanical-interlocking joints made of steel/PA6 were mechanically tested in a tensile-lap-shear test. The damage behavior of the joined materials in relation to rivet number and position on the metal plate was studied. The observation of rivet deformation was also conducted by infrared IR thermography. The study showed that, for polymer–metal joined samples with fewer than three rivets, the destruction of rivets by shearing meant sample damage. On the other hand, when the polymer–metal joint was made with three or four rivets, the disruption mechanism was mostly related to the polymer part breaking. The maximal values of the joint’s failure force under tensile-shear tests were achieved for samples where three rivets were used. Moreover, strong correlation was found between the surface temperature of the samples and their maximal force during the tensile-lap-shear test.

2009 ◽  
Vol 13 (9) ◽  
pp. 1073-1082
Author(s):  
Sylvain Chataigner ◽  
Jean-François Caron ◽  
Karim Benzarti ◽  
Marc Quiertant ◽  
Christophe Aubagnac

RSC Advances ◽  
2015 ◽  
Vol 5 (27) ◽  
pp. 21023-21032 ◽  
Author(s):  
Sepideh Khoee ◽  
Zahra Kachoei

Recovery of fracture toughness of a self-healing epoxy adhesive is achieved by using a novel amine nanocontainer.


Materials ◽  
2020 ◽  
Vol 13 (15) ◽  
pp. 3371 ◽  
Author(s):  
Stephan Bechtel ◽  
Mirko Meisberger ◽  
Samuel Klein ◽  
Tobias Heib ◽  
Steven Quirin ◽  
...  

Using additive manufacturing to generate a polymer–metal structure offers the potential to achieve a complex customized polymer structure joined to a metal base of high stiffness and strength. A tool to evaluate the generated interface during the process is of fundamental interest, as the sequential deposition of the polymer as well as temperature gradients within the substrate lead to local variations in adhesion depending on the local processing conditions. On preheated aluminum substrates, 0.3 and 0.6 mm high traces of polylactic acid (PLA) were deposited. Based on differential scanning calorimetry (DSC) and rheometry measurements, the substrate temperature was varied in between 150 and 200 °C to identify an optimized manufacturing process. Decreasing the layer height and increasing the substrate temperature promoted wetting and improved the adhesion interface performance as measured in a single lap shear test (up to 7 MPa). Thermographic monitoring was conducted at an angle of 25° with respect to the substrate surface and allowed a thermal evaluation of the process at any position on the substrate. Based on the thermographic information acquired during the first second after extrusion and the preset shape of the polymer trace, the resulting wetting and shear strength were estimated.


2012 ◽  
Vol 24 (2) ◽  
pp. 120-126 ◽  
Author(s):  
Xin Li ◽  
Gang Chen ◽  
Xu Chen ◽  
Guo‐Quan Lu ◽  
Lei Wang ◽  
...  

2013 ◽  
Vol 10 (2) ◽  
pp. 97-102 ◽  
Author(s):  
Leonardo Contri Campanelli ◽  
Armando Ítalo Sette Antonialli ◽  
Nelson Guedes de Alcântara ◽  
Claudemiro Bolfarini ◽  
Uceu Fuad Hasan Suhuddin ◽  
...  

2011 ◽  
Vol 25 (2) ◽  
pp. 468-478 ◽  
Author(s):  
Sylvain Chataigner ◽  
Jean-Francois Caron ◽  
Karim Benzarti ◽  
Marc Quiertant ◽  
Christophe Aubagnac

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