Generalized Method for Normalizing the Degree of Thixotropy/Rheopexy to Evaluate the Structure of Powder Suspensions

Ivanchenko, S. E.

doi:10.1007/s11106-023-00375-4

Powder Metall Met Ceram

2023

DOI: 10.1007/s11106-023-00375-4

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Generalized Method for Normalizing the Degree of Thixotropy/Rheopexy to Evaluate the Structure of Powder Suspensions

S. E. Ivanchenko

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2024

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Cited by 3 publications

References 19 publications

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Relaxor-like behavior of the dielectric response of dense ferroelectric composites

Pylypchuk,

Ivanchenko,

Zagorodniy

et al. 2024

Ceramics International

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Relaxor-like behavior of the dielectric response of dense ferroelectric composites

Pylypchuk,

Ivanchenko,

Zagorodniy

et al. 2024

Ceramics International

View full text Add to dashboard Cite

Optimizing Powder-to-Liquid Ratios in Lost Foam Casting Coatings: Impacts on Viscosity, Shear Thinning Behavior, Coating Weight, and Surface Morphology

Sun,

Qian,

et al. 2024

Coatings

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This study explores the effects of the powder-to-liquid ratio on the performance characteristics of lost foam casting coatings. The investigation focuses on how variations in this ratio affect key properties, including apparent viscosity, shear thinning behavior, coating weight, and surface morphology. Through a series of controlled experiments, coatings were prepared with different powder-to-liquid ratios and assessed for their physical and application properties. The results indicate that increasing the powder-to-liquid ratio raises the apparent viscosity and modifies shear thinning behavior. Notably, ratios exceeding 2.0 result in a sharp increase in viscosity that impedes coating application. The optimal powder-to-liquid ratio was determined to be between 2.0 and 2.2, where coatings demonstrated enhanced uniformity, improved particle distribution, and superior surface morphology. Coating weight increased up to a ratio of 2.2 but decreased beyond this threshold due to excessive viscosity. Both microscopic and macroscopic analyses confirmed that a ratio of 2.0 to 2.2 strikes the best balance for coating performance. These findings underscore the importance of precise powder-to-liquid ratio control to optimize the quality of lost foam casting coatings, offering valuable insights for refining coating formulations and application techniques in industrial contexts.

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Spark Plasma Sintering of a Ceramic Material with a LaLuO<sub>3</sub> Perovskite-Type Structure

Kolesnichenko,

Yurchenko,

Kornienko

et al. 2024

NHC

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The development of new materials for various fields of science and technology has always been an important and priority task for scientists around the world. Recently, more and more interest in the creation of new materials has been drawn to compounds based on the perovskite phase with the general formula ABO3. The ability of the perovskite structure to adapt to different combinations of chemical elements leads to the possibility of creating new materials with different physical and chemical characteristics. In the present study, an ordered phase with a LaLuO3 perovskite-type structure was synthesized using the mechanosynthesis technique. The obtained material was sintered by spark plasma sintering. It was found that the formation of an ordered phase with a perovskite-type structure occurs directly during spark plasma sintering. A dense (99.7%) single-phase sample with a LaLuO3 perovskite-type structure was obtained. Despite the rather high density of the obtained sample (99.7%), it remains translucent for a number of reasons: the obtained sample is characterized by randomly oriented grains, which creates additional optical scattering.

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Generalized Method for Normalizing the Degree of Thixotropy/Rheopexy to Evaluate the Structure of Powder Suspensions

Cited by 3 publications

References 19 publications

Relaxor-like behavior of the dielectric response of dense ferroelectric composites

Relaxor-like behavior of the dielectric response of dense ferroelectric composites

Optimizing Powder-to-Liquid Ratios in Lost Foam Casting Coatings: Impacts on Viscosity, Shear Thinning Behavior, Coating Weight, and Surface Morphology

Spark Plasma Sintering of a Ceramic Material with a LaLuO<sub>3</sub> Perovskite-Type Structure

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