Abstract. This paper aims to identify digital marketing elements, to analyze and to study the industry's degree of knowledge regarding digital marketing, as well as the degree of use of digital technology in the marketing mix of small and medium enterprises(SME's) in Romania. First of all, the basic concepts of digital marketing will be defined and analyzed: e-bussines, e-commerce and e-marketing, and then, in order to identify the degree of knowledge of these elements as well as the degree of use in the promotion process, a statistical research was carried out which had the following objectives: to determine the degree to which SMEs in Romania know the concepts of digital marketing; to identify whether these organizations have developed digital marketing strategies; to identify whether there are people or groups of people who are responsible for digital marketing activities at the organization level.
During the last years, mechanical alloying technique for high entropy alloys (HEAs) has been more often approached due to the good homogenous chemical distribution and near net shape technology provided by the respectively process. A new composite material having the matrix as HEA reinforced with graphite particles was designed. The graphite particles addition in the high entropy matrix (AlCrFeNiMn) improves the particles weldability during mechanical alloying and assures a good creep behavior for the final product. The aim of this paper is to investigate the pressure influence on the microhardness as dependence of sintering parameters which can be reflected also on the microstructure. The high entropy composite was completely alloyed after 40 hours of milling. The obtained composite was pressed using different pressures values in order to investigate the pressure influence on the microhardness and microstructure. The samples were investigated using optical microscopy, scanning electron microscopy, X-rays diffraction and microhardness tests. The microhardness values for all the samples were between 300 – 700 HV.
The paper’s aim is to present the processing of a new master alloy similar to
STROBLOY. This alloy represents a combination of two master alloys, already known in
aluminum industry (AlTiB and AlSr). The benefits of this new alloy are the cut of Ti, B and Sr
consumption, as well as a grain refining/modification ecological technology for Al-Si and Al-Mg-Si
alloys. So, this alloy was obtained from binary AlB8, AlSr10 and AlTi10 master alloys melted in an
electric resistance furnace and argon atmosphere. Samples were cast in an iron mould. As
STROBLOY, this new quaternary alloy contains fast dissolving SrAl4 particles important in
modification stage, and nucleating particles such as TiB2 and (Al, Ti)B2 essential for grain refining
of aluminum alloys.
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