Thixotropy Hysteresis and Structure Formation in Elastomeric Suspensions

Nelyub, V. A.; Borodulin, A. S.; Kobets, L. P.; Malysheva, G. V.

doi:10.1134/s2075113318040238

Cited by 31 publications

(3 citation statements)

References 5 publications

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“…As fibrous fillers, glass and carbon fibers are most widely used in mechanical engineering. One of the promising types of fibrous fillers is basalt fibers [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Creation of Basalt Plastics with Different Types of Hybrid Matrices

Kosenko

Baurova

Зорин

2021

MSF

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Basalt plastic, thanks to its complex of valuable operational properties, has a potential variety of applications. the article describes the technology of production of basalt plastics with various types of hybrid matrices, one of the components of which is cured in the molding process, and the second-like a binder in natural materials, retains its viscoelastic state. The viscoelastic component makes it possible to increase the deformation properties in the zones of their location, preventing cracking under increased loads. As a result of the conducted mechanical tensile tests, the average values of absolute breaking forces, tensile strength and elongation during fracture of basalt plastic samples with different types of hybrid matrices were obtained. The addition of viscoelastic components (such as technical wax, anaerobic, and organosilicon polymer materials) to the basalt plastic matrix allows to increase the elongation at fracture by 2...5%. Anaerobic polymer material in the basalt plastic matrix allows to increase the tensile strength of the composite material, as well as significantly reduce the dispersion of the measured values. This provides an effective prediction of the operational properties of the structural material in the design of products. On the basis of microanalysis of the structure of basalt plastics with different types of hybrid matrices, an explanation of the causes of changes in the mechanical properties of the resulting composite materials is given.

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“…As fibrous fillers, glass and carbon fibers are most widely used in mechanical engineering. One of the promising types of fibrous fillers is basalt fibers [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Creation of Basalt Plastics with Different Types of Hybrid Matrices

Kosenko

Baurova

Зорин

2021

MSF

View full text Add to dashboard Cite

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“…The effect of the filler on the property of the composition depends on the size of its grains, the concentration in the system and the chemical nature of the polymer matrix. Due to the high surface energy of fillers, their introduction into the polymer matrix improves adhesion properties and resistance to operational loads [8][9][10][11][12][13]. In the paper [14,15] it is noted that the peculiarity of modification of polymer materials by nanoparticles is the increase polymer matrix adhesion to the surface of nanoparticles, uniform distribution of nanoparticles along the matrix volume and ultra small concentrations of modifiers.…”

Section: Introductionmentioning

confidence: 99%

Increase of anaerobic polymer materials resistance to vibration loads and working fluids using nanofillers

2019

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The operation of modern machines and equipment is impossible without technical service, which accounts for up to 35% of the total structure of operating costs. Therefore, ensuring timely maintenance with minimal downtime at the lowest cost is a vital task. One of the resource-defining elements of machines is bearing units, and increasing their durability is a promising direction. The analysis of defects occurring in bearing units showed that the main cause of surfaces wear under rolling bearings is fretting corrosion which occurs due to the impossibility to have an effective contact spot with an area of more than 35... 40% in cylindrical joints. There are many ways to restore parts, but due to the high competitive capabilities polymeric compounds methods are widely used. Such materials allow quick repair, they also increase the resource of individual nodes and, as a consequence, the entire renovation object as a whole. Due to their performance characteristics, polymers have been widely used both in manufacturing and in renovation of parts and units operating under severe dynamic loads and aggressive environments. However, they have insufficient resistance to vibration loads and aggressive working fluids. The solution to this problem is the development of new polymer nanocompositions based on anaerobic compositions using dispersed nanofillers. Due to the high surface energy of nanoparticles their introduction into the polymer matrix will increase adhesion strength, resistance to vibration and impact of working fluids.

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“…В зависимости от конкретного механизма разрушения на предельные характеристики ПКМ в значительной степени оказывают влияние материал матрицы и возникающие адгезионные взаимодействия на границе раздела с армирующим материалом [10]. Чем опаснее концентратор напряжений, тем мягче следует выбирать связующее, во всяком случае вблизи концентратора.…”

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Study of Deformation Properties of Composites With a Hybrid Matrix by the Method of Dynamic and Mechanical Analysis

Kosenko

2021

Bulletin of Belgorod State Technological University Named After. V. G. Shukhov

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Polymer and composite materials (PCMs) are widely used in various industries for production of small but complex parts and large-sized body parts subjected to significant loads. The production of more critical parts from PCM has led to the need to develop new compositions, structures and technologies for molding composites. The manufacturing technology of PCMs with a hybrid matrix is presented, one of the components of which retains its "liquid" state after the molding of the products, and the second is completely solid. In the resulting composite, the “liquid” components form an independent phase and together with the main binder material, the PCMs represent a hybrid matrix. The results of dynamic mechanical analysis (DMA) of basalt plastics with hybrid matrices, in which the composition of the “liquid” component are anaerobic technical wax and organosilicon polymer materials, are presented. DMA is performed on samples of two types: № 1 - samples with a low content of "liquid" components in the matrix and № 2 - samples with a high content of "liquid" components in the matrix. According to the results of the tests carried out, the best characteristics among PCMs with various types of hybrid matrices are possessed by samples with an organosilicon polymer material in the matrix

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Thixotropy Hysteresis and Structure Formation in Elastomeric Suspensions

Cited by 31 publications

References 5 publications

Creation of Basalt Plastics with Different Types of Hybrid Matrices

Creation of Basalt Plastics with Different Types of Hybrid Matrices

Increase of anaerobic polymer materials resistance to vibration loads and working fluids using nanofillers

Study of Deformation Properties of Composites With a Hybrid Matrix by the Method of Dynamic and Mechanical Analysis

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