Titanium tube developed for use under low temperature titanium heat pumps

Have developed a new alloy sunrui Titanium precision castings tube may be at a higher temperature to make an application of the tube compared with the low temperature high-strength titanium alloys have been developed which improve the efficiency and saving of metal and having a side greater potential, future goal is to develop a temperature can sunrui Titanium alloy valve reach 650 ℃ titanium tube, this alloy can be used for high-pressure turbine wheel, and the wheel base compared to the commonly used reduce weight by 20%.
     But with the increase of the operating temperature is bound to bring more new problems, such as surface oxidation, producing large quantities of long-term stability of metallurgy, sunrui aerospace investment castings friction and corrosion, fire danger and hot salt stress corrosion. Some problems can be solved with a surface coating or surface treatment methods, for which is currently being actively conducted research in this area.