Predicting thermodynamic stability of crucible oxides in molten titanium and titanium alloys

Titanium is all around us, including in the human body. It is immune to environmental attack, regardless of pollutants. Where other architectural metals exhibit limited lifespan, titanium endures. As durable metal, with interesting properties, titanium and its alloys are perfect for use in many applications. titanium and its alloys have a great specific strength, the improvement of the mechanical properties is of growing importance in the aircraft and space industry. They have been key materials used in all space launchers, spacecrafts, and the space station. It is very interesting to mention that titanium is a promising substrate for hard disk drives, as well as for very interesting application in golf sport. um and its alloys interstitially dissolve a large amount of impurities such as oxygen and nitrogen, which degrade the mechanical and physical properties of alloys. Ways of eliminating oxygen from titanium and its alloys are important for use in widespread applications. le oxides i.e. refractory oxides based on CaO, ZrO2, Y2O3, etc., can be used for melting titanium and its alloys. However, the thermodynamic behavior of calcium, zirconium, yttrium on the one side, and oxygen on the other side, in molten Ti and Ti–Al alloys have not been made clear and because of that, it is very interesting for research. of literature data, as well as these crucibles are cheaper than standard crucibles for melting titanium and titanium alloys, in this paper will be presented the results of predicting thermodynamic analysis with the aim to determine the crucible oxide stability in contact with molten titanium and titanium–aluminum alloys.