However, a literature search has revealed that hardly any studies exist to determine whether PU foam may be a valid test material for OP cancellous bone.
Collagen is widely used for biomedical applications and it could represent a valid alternative scaffold material for vascular tissue engineering.
Non-invasive pressure estimation methods may be valid for material property estimation, provided a correct handling of the limited temporal resolution in order to find a reasonable reference configuration (see Fig. 10 and further details in following paragraphs).
These properties are key factors to put forward the utilization of tannin-added films as a valid green, nontoxic packaging material for food and pharmaceutical products.
The same applies to fracture toughness, a concept that is in general not valid for materials that possess inhomogeneity and anisotropy.
It is shown that the equations are valid for materials on free surface and in position where the residual stress reaches maximum value.
We note that the decoupled method is only valid for materials with weak piezoelectricity, and the effective piezoelectric coefficient derived from PFM shows nonlinear dependence on the complete set of specimen electromechanical moduli, as well as on the experimental conditions.
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Penetration depth, physico-chemical compatibility, stability, absence of by-products and partial filling of porosity are those characteristics to be evaluated in choosing the best consolidating material for a valid conservation treatment.
The expression for the maximum in-plane shear stress in terms of pressures and the radii of the inner and the outer surfaces of the cylinder is a universal result valid for all materials for which the shear modulus is proportional to r2.
