Bond strength measurement

S.J. Grabowski, Hydrogen bonding strength - measures based on geometric and topological parameters. J. Phys. Org. Chem 17, 18-31 (2004)... 

TABLE 7. 2 Range of Bond Strengths (Measured at Room Temperature) of Various Hybrid Adhesives... 

Quantitative bond strength measurements require knowledge of the critical tensile stress, a-, of the film and the correct shear stress... 

The bond strength measured or estimated at a constant temperature or at a specified facet of single-crystal planes are, of cause, important factors in the discussion of electrocatalysis. But, if they are obtained under different conditions from the practical ones, the conclusion might not be correct. The author believes that the general understanding on the size effect still needs further experimental and theoretical studies. Particularly careful attention should be paid to the operation temperature, the coagulation of nanoparticles during the experiment, or the territory. Of course, evaluation on the stability of such small particles is essential in the practical application. 

Studies to determine absolute bond enthalpies Z)(Ti-R) in TiRXBu SiNHXsilox (R = alkyl group) from relative bond strength measurements have been performed.243... 

The separation of these cumulative effects is not an easy task, but is necessary for the determination of thermodynamic parameters, such as chemical bond strengths. Measuring very dilute water solutions at 3.9 °C, where the thermal expansion coefficient of water vanishes (or at slightly lower temperatures in more concentrated aqueous solutions, such as buffer solutions) can be used to separate the so-called structural volume changes from the thermal effects due to radiationless deactivation.253,254 In this way, it is also possible to determine the entropy changes concomitant with the production or decay of relatively short-lived species (e.g. triplet states), a unique possibility offered by these techniques.254 255... 

Lap Shear Strength (LSS) - A form of adhesive bond strength measured by pulling apart, in tension, two overlapped, bonded strips of material. One of the most commonly quoted mechanical properties of adhesives. Unfortunately the precise details of the adherends and conditions used for the test also have a great effect on the results obtained. 

Moshaverinia, A. et al (2011) Surface properties and bond strength measurements of N-vinylcaprolactam (NVQ-containing glass-ionomer cements. J. Prosthet. Dent, 105 (3), 185-193. 

---