Experimental and theoretical study of a fast curing adhesive

Preu, H.; Mengel, Manfred

doi:10.1016/j.ijadhadh.2006.06.004

Cited by 15 publications

(9 citation statements)

References 27 publications

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“…In addition to their primary role in bonding materials, adhesive bonds can be also used in sealing, protecting or fastening. Adhesive bonds are widely used due to their properties in the automotive, agronomy, and aerospace industries, among others [ 1 , 2 , 3 ]. Many researchers are currently investigating the adhesive bonding technology [ 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Quasi-Static Tests of Hybrid Adhesive Bonds Based on Biological Reinforcement in the Form of Eggshell Microparticles

et al. 2020

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The paper is focused on the research of the cyclic loading of hybrid adhesive bonds based on eggshell microparticles in polymer composite. The aim of the research was to characterize the behavior of hybrid adhesive bonds with composite adhesive layer in quasi-static tests. An epoxy resin was used as the matrix and microparticles of eggshells were used as the filler. The adhesive bonds were exposed to cyclic loading and their service life and mechanical properties were evaluated. Testing was performed by 1000 cycles at 5–30% (165–989 N) and 5–70% (165–2307 N) of the maximum load of the filler-free bond in the static test. The results of the research show the importance of cyclic loading on the service life and mechanical properties of adhesive bonds. Quasi-static tests demonstrated significant differences between measured intervals of cyclic loading. All adhesive bonds resisted 1000 cycles of the quasi-static test with an interval loading 5–30%. The number of completed quasi-static tests with the interval loading 5–70% was significantly lower. The filler positively influenced the service life of adhesive bonds at a higher amount of quasi-static tests, i.e., the safety of adhesive bonds increased. The filler had a positive effect on adhesive bonds ABF2, where the strength significantly increased up to 20.26% at the loading of 5–30% against adhesive bonds ABF0. A viscoelasticity characteristic (creep) of the adhesive layer occurred at higher values of loading, i.e., between loading 5–70%. The viscoelasticity behavior did not occur at lower values of loading, i.e., between loading 5–30%.

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Section: Introductionmentioning

confidence: 99%

Quasi-Static Tests of Hybrid Adhesive Bonds Based on Biological Reinforcement in the Form of Eggshell Microparticles

et al. 2020

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“…Adhesive bonding technology currently presents one of the prospective methods of bonding various materials. The bonding of various materials has applications in, for example, automotive, aircraft and electrotechnics industries [ 1 , 2 ]. A dynamic progression of the adhesive technology is given by various options that this process offers compared to conventional bonding options (welding, soldering, etc.).…”

Section: Introductionmentioning

confidence: 99%

Quasi-Static Shear Test of Hybrid Adhesive Bonds Based on Treated Cotton-Epoxy Resin Layer

et al. 2020

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This research evaluates the mechanical properties of hybrid adhesive bonds with various 100% cotton fabrics in static and quasi-static conditions and the influence of alkali surface treatment (NaOH) of the cotton fabrics on the mechanical properties. Biological fibers in polymers are characterized by low wettability with the matrix, which decreases mechanical properties. Adhesive bonds usually operate in cyclic stress, which causes irreversible failure before maximal strength. In this paper, a quasi-static test was used to load the adhesive bonds in 5–50% (192–1951 N) and 5–70% (192–2732 N) intervals with 1000 cycles. The results of SEM analysis showed good wettability of alkali treated cotton fabric with NaOH solution in hybrid adhesive bonds. The static test proved the influence of reinforcing cotton fabrics on shear tensile strength against pure resin, i.e., sample Erik up to 19% on 14.90 ± 1.15 MPa and sample Tera up to 21% on 15.28 ± 1.05 MPa. The adhesive bonds with pure resin did not resist either quasi-static tests. Reinforcing cotton fabrics resisted both quasi-static tests, even shear tensile strength increases up to 10% on 16.34 ± 1.24 MPa for the fabric Erik. The results of strain difference of adhesive bonds with Tera and Erik confirmed that a lower value of the difference during cyclic loading positively influenced the ultimate shear tensile strength.

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“…When the reaction is exothermic, the effects due to the temperature rise and the effects due to the chemical reaction compete and might overlap. If the adhesive cure process is isothermal, the effects of the temperature rise are commonly neglected [35], [38], and (7) can still be applied.…”

Section: Fractional Conversionmentioning

confidence: 99%

“…is used then to obtain the fractional conversion in real-time for subsequent measurements of the same adhesive. This method provides good results if repeatability of experimental data is ensured between similar samples [35]. Figure 3 shows a picture with the steps followed for the adhesive cure monitoring:…”

Section: Fractional Conversionmentioning

confidence: 99%

Microwave sensor system for continuous monitoring of adhesive curing processes

García-Baños

Catalá-Civera

Peñaranda‐Foix

et al. 2012

Meas. Sci. Technol.

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A microwave sensor system has been developed for monitoring adhesives curing processes. The system provides continuous, real-time information about the curing progress without interfering with the reaction. An open-coaxial resonator is used as the sensor head, and measurements of its resonance frequency and quality factor are performed during cure to follow the reaction progress. Additionally, the system provides other interesting parameters such as reaction rate or cure time. The adhesive dielectric properties can be also computed off-line, which gives additional information about the process. The results given by the system correlate very well to conventional measurement techniques such as Differential Scanning Calorimetry, combining accuracy and rate with simplicity and an affordable cost.

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Experimental and theoretical study of a fast curing adhesive

Cited by 15 publications

References 27 publications

Quasi-Static Tests of Hybrid Adhesive Bonds Based on Biological Reinforcement in the Form of Eggshell Microparticles

Quasi-Static Tests of Hybrid Adhesive Bonds Based on Biological Reinforcement in the Form of Eggshell Microparticles

Quasi-Static Shear Test of Hybrid Adhesive Bonds Based on Treated Cotton-Epoxy Resin Layer

Microwave sensor system for continuous monitoring of adhesive curing processes

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