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- Adhesive strength (2)
- Bonding strength (2)
- Centrifuge technology (2)
- Haftfestigkeit (2)
- Klebfestigkeit (2)
- Multi-sample approach (2)
- Zentrifugentechnologie (2)
- Brinell- und Vickers Härte (1)
- Mehr-Proben-Prüfen/Kleben (1)
- Verbundfestigkeit (1)
Multiple-sample approach: reliable ranking and validated statistics of bonding and adhesive strength
(2014)
Bonding strength of adhesive-bonded joints and adhesive strength of coatings have been exclusively determined in
single-sample tests using a tensile testing machine. Necessarily, the single-sample approach was also applied to the
corresponding bonding procedure. As a consequence, reliability and reproducibility of results were restricted. By
applying the newly introduced centrifuge technology, the multiple-sample approach was realized for simultaneous
tensile testing of up to eight samples under identical conditions without any disturbing shear-force effects. In order to
introduce the multiple-sample approach into the bonding procedure, a hydraulic bonding set-up was developed which
enables identical bonding pressure also for slightly different heights of sample assemblies. Both sample approaches
were compared for various application examples: ranking of different classes of adhesives, validated statistics of
adhesive-bonded joints using one particular adhesive and effects of cleaning and plasma-treatment on the adhesive
strength of coatings. The investigated systems included glass, metals and polymer substrates, different adhesives,
metallic and dielectric coatings on polymers.
Multiple-sample approach: reliable ranking and validated statistics of bonding and adhesive strength
(2014)
Bonding strength of adhesive-bonded joints and adhesive strength of coatings have been exclusively determined in single-sample tests using a tensile testing machine. Necessarily, the single-sample approach was also applied to the corresponding bonding procedure. As a consequence, reliability and reproducibility of results were restricted. By applying the newly introduced centrifuge technology, the multiple-sample approach was realized for simultaneous tensile testing of up to eight samples under identical conditions without any disturbing shear-force effects. In order to introduce the multiple-sample approach into the bonding procedure, a hydraulic bonding set-up was developed which enables identical bonding pressure also for slightly different heights of sample assemblies. Both sample approaches were compared for various application examples: ranking of different classes of adhesives, validated statistics of adhesive-bonded joints using one particular adhesive and effects of cleaning and plasma-treatment on the adhesive strength of coatings. The investigated systems included glass, metals and polymer substrates, different adhesives, metallic and dielectric coatings on polymers.