Materials Science
Journal EEJET
All articles in open access journal which are indexed by Scopus (H-INDEX 36, SJR 0.288, SNIP 0.573)
In this issue:
Devising a technology for manufacturing hollow cast steel structures with composite and reinforced non-metallic functional filler
The object of this study is the structure of hollow steel modules filled with various types of functional materials, as well as the technology of their production using lost foam casting. Computer simulation of hydrodynamic and heat-mass exchange processes and solidification was carried out to establish the laws and prerequisites for designing state-of-the-art hollow cast structures and to devise their production technology. Read more
Determining rational complex modifying and alloying additives to improve the mechanical characteristics of gray cast iron
The object of this study is the mechanical properties and parameters of the cast iron microstructure. The task to solve was to ensure high mechanical properties of cast iron for mechanical engineering part. To this end, a working hypothesis was put forward, which assumed the possibility of increasing mechanical properties by selecting complex additives based on modifiers and alloying ferroalloys. Read more
Identifying the effect of sodium dodecylbenzene sulfonate surfactant and dispersed pcb-based particles as a novel heat treatment quenchant on the hardness of S45C medium carbon steel
In this study, the effect of Sodium Dodecylbenzene Sulfonate (SDBS) addition as a surfactant on the performance of the Printed Circuit Board (PCB) particle-dispersed quenchant in terms of thermal conductivity, particle stability, the microstructure and hardness of S45C medium carbon steel has been investigated. Conventional quenchants have fixed, uncontrollable cooling rates. Adding solid particles creates a thermal bridge, enabling adjustable cooling rates to address this limitation. Read more
Development of multifunctional polymer composites with high red mud content
Red mud (RM) is one of the large-scale by-products of alumina production, posing significant environmental challenges due to its high alkalinity, toxicity, and substantial accumulation volumes. The object of this study is polymer composite based on styrene-butadiene aqueous dispersion with RM and chamotte (Pa2) as fillers at high concentrations (up to 90?wt.?%). The primary problem addressed in this research is finding effective ways to utilize RM as secondary raw material to enhance its recycling efficiency and create multifunctional materials with adjustable properties. Read more
Devising approaches to adjusting a strength gain by modified white cements with different c3a content
The object of this study is the mechanism for adjusting a strength gain by modified systems based on white cements with different C3A content. Since white cements? have an increased content of the C3A mineral, they are characterized by a drop in strength of up to 10?% in the late stages of hardening. To stabilize the properties of such cements, it is advisable to use modifying additives. Read more
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