THE EFFECT OF ALLOYING WITH MG AND HEAT TREATMENT ON THE STRUCTURE AND PROPERTIES OF AK12 ALLOY

В статье рассмотрено влияние легирования магнием и термической обработки на микроструктуру, параметр решетки твердого раствора, микротвердость и механические свойства сплава АК12.In this article we examine the effect of alloying of magnesium and heat treatment on the microstructure, lattice parameter of the solid, microhardness and mechanical properties of AK12 alloy

STUDY ON THE EFFECT OF MAGNESIUM CRYSTALLIZATION RANGE AND FLUIDITY SILUMIN SYSTEM Al–Si–Mg

Исследовано влияние добавок магния к высокотехнологичному сплаву АК12 на жидкотекучесть дисков автомобильных колес, которую определяли по спиральной пробе. Определены температуры фазовых превращений опытных сплавов Al–12Si–(0,15–0,30 %)Mg методом дифференциальной сканирующей калориметрии.The effect of magnesium supplementation to high-tech alloy AK12 on the fluidity of wheel discs which defined the spiral sample. The temperatures of phase transformations experienced alloys Al-12Si-(0,15-0,30%)Mg by differential scanning calorimetry

Modification of a356.0 alloy by AlSr 10ligature

Intermediate alloy which contain sufficient amount of doping metal is called ligature. Doping metal is added into the alloy to reach required chemical composition, structural and technological properties. Thereby modifiers of the 1 sort (such as Sr) are added to grind and change morphology of eutectic phase of Si, which leads to improvement of ductility but does not affect on grain size of α-solid solution. In this study the quantity of ligature to be introduced into A356.0 alloy was optimized based on gained results of research of correlation between mechanical properties and structural composition of alloyЛигатурой называют промежуточный сплав, содержащий в достаточно большом количестве легирующий металл, добавляемый в расплав для получения требуемого химического состава, структурных и технологических свойств отливок и слитков. Модификаторы 1 рода (такие как AlSr10) применяют для измельчения и изменения морфологии эвтектической фазы Si, обеспечивая при этом повышение пластических характеристик. На основе полученных результатов по исследованию зависимости механических свойств от строения структуры в настоящей работе оптимизировано количество вовлечения лигатуры в сплав А356.0, для получения требуемых заказчиком характеристик сплава

Study the Effect of Alloying of Mg on the Structure and Properties of Car Wheels Produced of AK12 Alloy

В статье рассмотрено влияние легирования магнием на структуру, механические свойства и устойчивость к разрушению при стендовых испытаниях автомобильных дисков колес из сплава АК12 для повышения свойств. Установлены взаимосвязи между концентрацией магния, структурой и свойствами дисков колес из исследуемого сплава. Выбран наиболее оптимальный химический состав сплава, позволяющий достигать повышенных свойствIn this article we examine the effect of alloying of magnesium on the structure, mechanical properties and resistance to fracture during bench test of car wheels produced of AK12 alloy to improve properties. Mounted interconnection between the of Mg content, structure and properties car wheels of the investigated alloy. Were optimized chemical composition of the alloy, which allows to achieve higher qualitie

Silver Alginate Hydrogel Micro- and Nanocontainers for Theranostics: Synthesis, Encapsulation, Remote Release, and Detection

We have designed multifunctional silver alginate hydrogel microcontainers referred to as loaded microcapsules with different sizes by assembling them via a template assisted approach using natural, highly porous calcium carbonate cores. Sodium alginate was immobilized into the pores of calcium carbonate particles of different sizes followed by cross-linking via addition of silver ions, which had a dual purpose: on one hand, the were used as a cross-linking agent, albeit in the monovalent form, while on the other hand they have led to formation of silver nanoparticles. Monovalent silver ions, an unusual cross-linking agent, improve the sensitivity to ultrasound, lead to homogeneous distribution of silver nanoparticles. Silver nanoparticles appeared on the shell of the alginate microcapsules in the twin-structure as determined by transmission electron microscopy. Remote release of a payload from alginate containers by ultrasound was found to strongly depend on the particle size. The possibility to use such particles as a platform for label-free molecule detection based on the surface enhanced Raman scattering was demonstrated. Cytotoxicity and cell uptake studies conducted in this work have revealed that microcontainers exhibit nonessential level of toxicity with an efficient uptake of cells. The above-described functionalities constitute building blocks of a theranostic system, where detection and remote release can be achieved with the same carrier

Study the Effect of Alloying of Mg on the Structure and Properties of Car Wheels Produced of AK12 Alloy

В статье рассмотрено влияние легирования магнием на структуру, механические свойства и устойчивость к разрушению при стендовых испытаниях автомобильных дисков колес из сплава АК12 для повышения свойств. Установлены взаимосвязи между концентрацией магния, структурой и свойствами дисков колес из исследуемого сплава. Выбран наиболее оптимальный химический состав сплава, позволяющий достигать повышенных свойствIn this article we examine the effect of alloying of magnesium on the structure, mechanical properties and resistance to fracture during bench test of car wheels produced of AK12 alloy to improve properties. Mounted interconnection between the of Mg content, structure and properties car wheels of the investigated alloy. Were optimized chemical composition of the alloy, which allows to achieve higher qualitie