Zusammenfassung der Testleistung und -methoden für Beschichtungen in der Luft- und Raumfahrt
Bei der Luft- und Raumfahrtbeschichtung handelt es sich um eine spezielle Beschichtung, die auf die Oberfläche von Luft- und Raumfahrzeugen aufgetragen wird. It has the characteristics of high temperature resistance, radiation resistance, oxidation resistance and corrosion resistance, which can protect the surface of aerospace spacecraft from the extreme environment encountered in high-altitude flight and extend its service life. Aerospace coatings have a wide range of applications, covering various parts of aircraft, satellites, rockets and other aerospace spacecraft, such as fuselage, engine, wing surface, usw.
Leistung der Erkennung
The performance testing of aerospace coatings needs to consider several factors to ensure that they meet the requirements and safety requirements of aerospace and spacecraft. The following is a detailed description of the performance parameters to be tested for aerospace coatings:
Parameters of performance | Testmethode | Standard of inspection |
---|---|---|
Resistance to heat | Tga measurement | no |
Resistance to corrosion | Salt spray test, corrosion test | GB/T 1771-2007 |
Resistance to radiation | X-ray irradiation test, proton irradiation test | no |
Adhäsionskraft | Method of delimiting | GB/T 9286-1998 |
Witterungsbeständig | Light aging test | GB/T 16422.2-2014 |
Resistance to abrasion | Verschleißtest | ASTM D4060-14 |
Kratzfestigkeit | Scratch test | no |
Chemische Resistenz | Chemical immersion test | no |
Degree of gloss | Glossometer measurement | GB/T 9754-2007 |
Farbunterschied | Color comparator measurement | GB/T 1543-2008 |
Zusammenfassung der Testleistung und -methoden für Beschichtungen in der Luft- und Raumfahrt
Nachweismethode
The following is a detailed description of the test method for the performance parameters to be tested for aerospace coatings:
Thermal resistance: Thermal stability and thermal decomposition characteristics of coatings at high temperatures are measured using a thermogravimetric analyzer.
Korrosionsbeständigkeit: Using salt spray test, corrosion test and other methods to simulate the corrosion resistance of aerospace spacecraft in different corrosive environments.
Radiation resistance: use X-ray irradiation test, proton irradiation test and other methods to simulate the radiation resistance performance of aerospace spacecraft in radiation environment.
Adhäsion: A peel test is used to measure the adhesion strength between the coating and the substrate.
Witterungsbeständigkeit: use light aging test to simulate the weather resistance of aerospace spacecraft under different light and climate conditions.
Wear resistance: The wear test is used to measure the wear degree and wear resistance of the coating under different wear conditions.
Kratzfestigkeit: The scratch test was used to measure the scratch degree and scratch resistance of the coating under different scratch conditions.
Zusammenfassung der Testleistung und -methoden für Beschichtungen in der Luft- und Raumfahrt
Chemische Resistenz: chemical immersion test is used to simulate the chemical resistance of spacecraft in different chemical environments.
Gloss: Use a gloss meter to measure the gloss of the coating and evaluate the gloss effect and gloss stability of the surface.
Farblicher Unterschied: Use a color comparator to measure the color difference of the coating and evaluate its color consistency and accuracy.
We reminds you that different performance parameters may require different test methods and equipment, and there may be some industry standards and specifications, for the performance testing of aerospace coatings, the corresponding test methods and standards should be selected according to the actual needs.