Influence of the electrodepositing parameters e.g. applied electric current as variable on texture formation and on mechanical properties of copper thin films was studied. Experiment was done for copper deposition from sulphate bath under galvanostatic and pulse current. It was found that copper layers exhibits different texture depending on applied current conditions during electrodepositing process. Pulse and direct current conditions leads to different texture of electrodeposited copper. Texture of electrodeposited copper coatings and mechanical properties could be correlated. It was found that, texture indexes although are not complex information about texture could be used for analysis of such correlation in technological process.
The object of the present investigation was Inconel 718 alloy. The material in the initial state and after forging at the temperatures of 1100°C and 1000°C was examined. Diffraction analyses indicate that a nickel-based γ solid solution is a dominating phase in the alloy (so-called nickel austenite). Apart from a γ solid solution, which constitutes the matrix, certain volume fractions of the other phase were detected e.g. δ phase and carbides. It was found that, due to thermo-mechanical-treatment at both temperatures, the phase composition of Inconel 718 was considerably changed in comparison to the initial state. On the contrary, differences in the temperature of forging did not significantly influence the alloy constitution. However, both of the temperatures of forging result in distinct texture intensity. Microstructure observations indicate that forging at 1000°C led to recrystallization by creation of the new recrystallizated grains near or on the grain boundaries of existing deformed grains. After forging at 1100°C, the microstructure was fully recrystallized at the whole volume of the material.
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