The Influence of Microstructure in PHB Non‐Woven Materials on Mechanical Behavior Under Tension

Morokov, Egor; Zykova, A. K.; Tyubaeva, P. M.

doi:10.1002/masy.202000245

Cited by 4 publications

(4 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In water, the tensile strength of all the specimens changed multidirectional, while the elongation at break rose significantly. This confirmed the observation made in [ 11,12 ] that in the aqueous medium such kinds of materials had an increased elongation at break.…”

Section: Resultssupporting

confidence: 92%

Influence of Processing Methods on the Mechanical Behavior of Poly‐3‐hydroxybutyrate Nonwoven Scaffolds

Zykova

Morokov

Tyubaeva

2022

Macromolecular Symposia

Self Cite

View full text Add to dashboard Cite

The theoretical prediction of the mechanical behavior of fibrous materials for medicine in different environments is of great scientific interest. The deformation mechanisms under loading of biopolymer electrospun fibrous materials differ significantly in dependence on the phase state of the medium, namely, liquid state, gaseous state, or at their interface. In this paper, the influence of various mediums on the mechanical behavior of fibrous materials based on poly-3-hydroxybutyrate under tension is examined. The oxidative stress (ozone treatment) and the incorporation of low concentrations of modifying additives (complexes of tetraphenyl-porphyrin with Zn) are proposed as the most effective methods of directed control of stress-related characteristics without a negative effect on the functional properties of medical materials.

show abstract

Section: Resultssupporting

confidence: 92%

Influence of Processing Methods on the Mechanical Behavior of Poly‐3‐hydroxybutyrate Nonwoven Scaffolds

Zykova

Morokov

Tyubaeva

2022

Macromolecular Symposia

Self Cite

View full text Add to dashboard Cite

show abstract

“…In this case, the mechanism of rupture of the PHB-α-TCP matrices is of interest. Previously, we have established how the mechanical deformation of nonwovens electrospun materials based on PHB occurs [59]. First of all, the most stressed areas of the fibrous structure are torn [60].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…Nevertheless, it is important to note that a decrease in mechanical properties is not a problem for these composites, since their use in orthodontics does not require high In this case, the mechanism of rupture of the PHB-α-TCP matrices is of interest. Previously, we have established how the mechanical deformation of nonwovens electrospun materials based on PHB occurs [59]. First of all, the most stressed areas of the fibrous structure are torn [60].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Development of Nonwoven Fibrous Materials Based on Poly-3-Hydroxybutyrate with a High Content of α-Tricalcium Phosphate

et al. 2023

View full text Add to dashboard Cite

α-tricalcium (α-TCP) phosphate is widely used as an osteoinductive biocompatible material, serving as an alternative to synthetic porous bone materials. The objective of this study is to obtain a highly filled fibrous nonwoven material composed of poly-3-hydroxybutyrate (PHB) and α-TCP and to investigate the morphology, structure, and properties of the composite obtained by the electrospinning method (ES). The addition of α-TCP had a significant effect on the supramolecular structure of the material, allowing it to control the crystallinity of the material, which was accompanied by changes in mechanical properties, FTIR spectra, and XRD curves. The obtained results open the way to the creation of new osteoconductive materials with a controlled release of the source of calcium into the living organism.

show abstract

“…The idea was to combine a scanning impulse acoustic microscope with a long focus beam of high-frequency ultrasound (50-200 MHz) and a horizontal mechanical testing machine. [8,9] The experimental equipment with the fixed CFRP specimen was shown in Figure 1a. Description of the microscope was given in the work.…”

Section: Experimental Equipmentmentioning

confidence: 99%

High‐Resolution Ultrasonic Visualization of the Micromechanical Behavior of Reinforced Composites with Fine Fiber Microstructure

Morokov

Levin

2022

Macromolecular Symposia

Self Cite

View full text Add to dashboard Cite

In the work, the first results of in situ ultrasound observation of microstructure changes in the volume of carbon fiber reinforced composites under tension are presented. The results depict the mechanical behavior of the laminate with stacking sequences of [−45°/0°/+45°/90°/+45°/0°/−45°]. Ultrasound visualization of volume microstructure is carried out with a controlled stepwise increase in deformation of the loaded specimens. Data of ultrasound investigation are compared with optical microphotograph and strain-stress curves of controlled and tested specimens. This approach makes it possible to visualize in dynamics the processes of appearance, growth, and transformation of microstructural damages in the volume with a resolution of tenth microns.

show abstract

The Influence of Microstructure in PHB Non‐Woven Materials on Mechanical Behavior Under Tension

Cited by 4 publications

References 12 publications

Influence of Processing Methods on the Mechanical Behavior of Poly‐3‐hydroxybutyrate Nonwoven Scaffolds

Influence of Processing Methods on the Mechanical Behavior of Poly‐3‐hydroxybutyrate Nonwoven Scaffolds

Development of Nonwoven Fibrous Materials Based on Poly-3-Hydroxybutyrate with a High Content of α-Tricalcium Phosphate

High‐Resolution Ultrasonic Visualization of the Micromechanical Behavior of Reinforced Composites with Fine Fiber Microstructure

Contact Info

Product

Resources

About