Reversible Multi-Material Bonded Joints: Challenges and Path Forward
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Reversible Multi-Material Bonded Joints: Challenges and Path Forward

6/12/2019
When: June 12, 2019
10:00 am
Where: Live Webinar
United States
Presenter: Mahmoodul Haq, Michigan State University
Contact: Connie Howe
(301) 986-9700 x1104


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Webinar Time:
June 12, 2019; 10:00 AM - 11:00 AM ET (including Q&A)

Webinar Description:

Joining of materials and components is inevitable as it allows versatility in assembly and repair along with reduction in time and cost of manufacturing. This webinar will focus on 'reversible adhesives' that inherit all the benefits of bonded joints, such as lightweight, eliminate holes and associated stress-concentrations, and overcomes its shortcomings of disassembly and repair. Reversible adhesives are thermoplastic adhesives modified by the incorporation of conductive nanoplatelets that can quickly couple to electromagnetic radiation via non-contact methods and increase the adhesive temperature to above the required processing temperatures. The adhesive melts and flows over the adherends and upon cooling forms a structural adhesive bond. Furthermore, the process can be used to disassemble the adhesive joint if repair or reworking is required.

This webinar will highlight two nanoparticle modifications (graphene and iron-oxide) in thermoplastics. Thermo-mechanical properties of resulting adhesives and joints will be showcased. Also, the strains developed during electromagnetic assembly and rapid cooling will be discussed. Additionally, computational multi-scale modeling of adhesive and joints and its potential to create material databases beyond the experimental matrix will be highlighted. The approach taken in this work, its challenges and future directions will be presented. Lastly, the potential of this material for a wide range of applications in automotive, construction and defense industries will be presented.

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