The synergistic effect of Si and Ce addition on the oxidation resistance a pack cementation aluminide coating applied Ni-based IN738LC superalloy substrate was investigated in this study. structural thermal influences both Ce, focusing morphology, behavior, scale spallation tendency, are accordingly discussed based experimental results using X-ray diffraction (XRD), scanning electron microscopy...

in this research, mechanical alloying was used to produce ti-50al, ti-45al-5cr and ti-45al-5w (at%) alloys. the effect of ternary addition (cr and w) on microstructure and production efficiency of tial alloy were investigated. alloying was performed in a planetary mill and the milling time varying from 5 to 70h. the structural evaluation in these powders was done by x-ray diffraction (xrd) tech...

It was known for long that Ni-Al composite powders can be used to deposit self-bonding coating as a bond coat common ceramic coatings due the exothermic reaction between Ni and Al. However, it found with commercial large particle size, is difficult ignite self-propagating Al form intermetallics by plasma spraying. In this study, powder particles of different sizes were prepare intermetallics-ba...

In the process of improving gas turbine engines (GTE), increasing resource and efficiency, there is a constant increase in temperature pressure working fluid. Turbine elements are subjected to high thermomechanical loads continuous exposure from aggressive environment. These impacts especially significant for blades first stages turbine, located area highest temperatures. One most serious types...