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Science and Technology Daily News? (Reporter Zhao Hanbin) The reporter learned from Kunming University of Science and Technology on April 19 that the coating material design and application team of the National and Local Joint Engineering Laboratory of Metal Advanced Solidification Forming and Equipment Technology An important breakthrough has been made in the field of thermal barrier coating technology.
The maximum operating temperature of advanced thermal barrier coating materials has been increased to 1,400 degrees Celsius, and the highest temperature can reach 1,600 degrees Celsius, and the thermal barrier cooling gradient has been increased by 100 degrees Celsius to 500 degrees Celsius, making my country’s thermal barrier coating Layer technology has reached the leading level in the world.
According to the team leader, thermal barrier coating materials, as thermal protection coatings for high-temperature components of aero engines and gas turbines, can improve the service conditions of high-temperature components, extend service life, and save fuel.
Currently, the most widely used thermal barrier coating material is zirconia-based material, which will undergo a phase change when the high temperature reaches about 1200 degrees Celsius, causing the coating to fall off and fail, and the service life will be exponentially reduced.
As the requirements for the use of aero engines and gas turbines continue to increase, the operating temperature of aero engines in the future may reach 2000 degrees Celsius.
After continuous exploration and verification, the team made full use of my country’s resource advantages in rare earths, successfully developed a new type of rare earth tantalate high-temperature iron elastic phase change toughened ceramic material, and established a set of materials from material discovery, basic property determination to the final Applied complete material system, applied for more than 100 national invention patents and 4 international invention patents.
At the same time, my country has independent intellectual property rights in the field of new rare earth tantalate ceramic coatings.
This result is the only ultra-high temperature thermal barrier coating that can work stably for a long time at 1400-1600 degrees Celsius in the world.
At present, the team has cooperated with Shaanxi Tianxuan Coating Technology Co.
, Ltd.
and other companies to produce this coating material, and the product will be supplied to many large and medium-sized research units or application units in China.
Due to the excellent comprehensive properties of the material, it will be widely used in important areas of the national economy such as aviation and navigation in the future.
The maximum operating temperature of advanced thermal barrier coating materials has been increased to 1,400 degrees Celsius, and the highest temperature can reach 1,600 degrees Celsius, and the thermal barrier cooling gradient has been increased by 100 degrees Celsius to 500 degrees Celsius, making my country’s thermal barrier coating Layer technology has reached the leading level in the world.
According to the team leader, thermal barrier coating materials, as thermal protection coatings for high-temperature components of aero engines and gas turbines, can improve the service conditions of high-temperature components, extend service life, and save fuel.
Currently, the most widely used thermal barrier coating material is zirconia-based material, which will undergo a phase change when the high temperature reaches about 1200 degrees Celsius, causing the coating to fall off and fail, and the service life will be exponentially reduced.
As the requirements for the use of aero engines and gas turbines continue to increase, the operating temperature of aero engines in the future may reach 2000 degrees Celsius.
After continuous exploration and verification, the team made full use of my country’s resource advantages in rare earths, successfully developed a new type of rare earth tantalate high-temperature iron elastic phase change toughened ceramic material, and established a set of materials from material discovery, basic property determination to the final Applied complete material system, applied for more than 100 national invention patents and 4 international invention patents.
At the same time, my country has independent intellectual property rights in the field of new rare earth tantalate ceramic coatings.
This result is the only ultra-high temperature thermal barrier coating that can work stably for a long time at 1400-1600 degrees Celsius in the world.
At present, the team has cooperated with Shaanxi Tianxuan Coating Technology Co.
, Ltd.
and other companies to produce this coating material, and the product will be supplied to many large and medium-sized research units or application units in China.
Due to the excellent comprehensive properties of the material, it will be widely used in important areas of the national economy such as aviation and navigation in the future.
