The mechanism by which mechanical strength was observed to improve through using tall forests can be interpreted in an analogous manner to that for improvement in electrical conductivity; in other words, the longer the CNT, the fewer the junctions as weak points for load transfer.
However, at room temperature, similar mechanical strength was observed for the MK and MK-SSA systems.
A significant increase in mechanical strength was observed relative to conventional sintering.
Open image in new window Fig. 4 An obvious improvement in hydrogel mechanical strength is observed between gels with nanomaterials and those without nanomaterials.
Further, when the concentration of SA was increased > 0.2%, a decrease in mechanical strength was observed, and this could be reasoned to the high degree of cross-linking of SA with the polymers, as evidenced from the 2,4,6-trinitrobenzenesulfonic acid (TNBS) assay Wang et al. (2002).
In addition, scanning electron microscopy findings showed that SKG mice exhibit thinner and more spaced trabeculae as compared with controls, suggesting the lack of a normal matrix-repairing process, which in this case is affecting the mineral deposition pattern and contributing directly to the low strength observed in the mechanical tests.
Molecular weight also played a role in determining the mechanical properties of lyophilized silk sponges, with a significant decrease in scaffold stiffness and strength observed with decreased molecular weight.
In addition, the electric resistivity increased and mechanical strength reduced were observed when the Ti concentration was less or higher than 7.5 wt.%.
There was no significant influence on mechanical strength in cortical bone observed with increasing whey protein treatment, consistent with cortical tissue mineral density (TMD) and bone volume changes observed.
First, mechanical strength was assessed by observing peeling off of cultivated cells from the dish during air-jet application.
