The Effect of Adhesive Thickness on Joint Strength

Dukes, W. A.; Bryant, Roland W.

doi:10.1080/00218466908077374

Cited by 22 publications

(4 citation statements)

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“…The recommended thickness of the adhesive joint was 3 mm. To avoid influencing the results negatively, this parameter was strictly followed since it is general knowledge that the thickness of the adhesive layer has a significant effect on the resulting mechanical properties of the bonded joint [24,27,44,45,46,47,48,49].…”

Section: Methodsmentioning

confidence: 99%

Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with Different Polymers after Mechanical, Chemical and Physical Surface Treatment

et al. 2019

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The cost of most primary materials is increasing, therefore, finding innovative solutions for the re-use of residual waste has become a topic discussed more intensely in recent years. WPCs certainly meet some of these demands. The presented study is focused on an experimental analysis of the effect of surface treatment on the adhesive properties of selected WPCs. Bonding of polymer-based materials is a rather complicated phenomenon and modification of the bonded area in order to improve the adhesive properties is required. Two traditional types of surface treatments and one entirely new approach have been used: mechanical with sandpaper, chemical with 10 wt % NaOH solution and physical modification of the surface by means of a MHSDBD plasma source. For comparison purposes, two high-density polyethylene based products and one polyvinyl-chloride based product with different component ratios were tested. A bonded joint was made using a moisture-curing permanently elastic one-component polyurethane pre-polymer adhesive. Standardized tensile and shear test methods were performed after surface treatment. All tested surface treatments resulted in an improvement of adhesive properties and an increase in bond strength, however, the MHSDBD plasma treatment was proven to be a more suitable surface modification for all selected WPCs.

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Section: Methodsmentioning

confidence: 99%

Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with Different Polymers after Mechanical, Chemical and Physical Surface Treatment

et al. 2019

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“…The basic experimental fact is that the strength of adhesive joints often decreases as the thickness of adhesive is increased. Results on butt joints between metal cylinders (Meissner and Merrill 1948, Kraus and Manson 1951, Dukes and Bryant 1969) and results on napkin ring joints (de Bruyne 1962) were explained in terms of shrinkage stresses, and further discussion of similar results has been given (Wake 1961, Bikerman 1968) mentioning shrinkage stress effects.…”

Section: Introductionmentioning

confidence: 93%

“…Quantitative theories have been produced to show that shrinkage is the cause of strength variation with adhesive thickness (de Bruyne 1962, Wake 1961. On the other hand, arguments have also been suggested to show that shrinkage stresses cannot account for these results (Dukes and Bryant 1969, Harrison and Harrison 1972, Cherry 1973.…”

Section: Introductionmentioning

confidence: 99%

Shrinkage and peel strength of adhesive joints

Kendall

1973

J. Phys. D: Appl. Phys.

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“…The influence of thickness on the heating rate shows that it is necessary to closely control the adhesive thickness of the joint to ensure an accurate estimation. Although the simulations show that a higher heating rate was obtained by using a thicker adhesive layer to enhance the amount of energy dissipated in the adhesive layer, the thickness may be limited in practice, as studies have shown (1,9) that a high joint strength was obtained with a thin adhesive thickness.…”

Section: Resultsmentioning

confidence: 98%

Numerical investigation of the influence of material properties and adhesive layer thickness on the heating efficiency of microwave curing of an adhesive‐bonded joint

Taube

2004

Polymer Engineering & Sci

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In the process of microwave curing of an adhesive-bonded joint, both the adhesive layer and the adherends affected the heating efficiency of the joint. As an extension of previous studies, the influences of changing the properties of the components of the joint on the heating efficiency were predicted by simulations that were based on the numerical model developed previously. The influence of adhesive thickness was also studied. The properties that directly affected power dissipation and heat loss of the adhesive layer were found to be important to the heating efficiency of the process. The heating rate was also sensitive to the thickness of the adhesive layer. Polym. Eng.

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The Effect of Adhesive Thickness on Joint Strength

Cited by 22 publications

References 0 publications

Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with Different Polymers after Mechanical, Chemical and Physical Surface Treatment

Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with Different Polymers after Mechanical, Chemical and Physical Surface Treatment

Shrinkage and peel strength of adhesive joints

Numerical investigation of the influence of material properties and adhesive layer thickness on the heating efficiency of microwave curing of an adhesive‐bonded joint

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