Souhrn zkušebních výkonů a metod pro letecké nátěry
Letecký nátěr je speciální nátěr aplikovaný na povrch kosmických lodí. 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, atd.
Výkon detekce
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:
Parametry výkonu | Metoda testu | Standard of inspection |
---|---|---|
Resistance to heat | Tga measurement | no |
Resistance to corrosion | Test solnou mlhou, corrosion test | GB/T 1771-2007 |
Resistance to radiation | X-ray irradiation test, proton irradiation test | no |
Síla adheze | Method of delimiting | GB/T 9286-1998 |
Odolnost vůči počasí | Light aging test | GB/T 16422.2-2014 |
Resistance to abrasion | Wear and tear test | ASTM D4060-14 |
Scratch resistance | Scratch test | no |
Chemická odolnost | Chemical immersion test | no |
Degree of gloss | Glossometer measurement | GB/T 9754-2007 |
Difference of color | Color comparator measurement | GB/T 1543-2008 |
Souhrn zkušebních výkonů a metod pro letecké nátěry
Způsob detekce
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.
Corrosion resistance: 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.
Přilnavost: A peel test is used to measure the adhesion strength between the coating and the substrate.
Odolnost vůči povětrnostním vlivům: use light aging test to simulate the weather resistance of aerospace spacecraft under different light and climate conditions.
Odolnost proti opotřebení: The wear test is used to measure the wear degree and wear resistance of the coating under different wear conditions.
Scratch resistance: The scratch test was used to measure the scratch degree and scratch resistance of the coating under different scratch conditions.
Souhrn zkušebních výkonů a metod pro letecké nátěry
Chemická odolnost: 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.
Color difference: Use a color comparator to measure the color difference of the coating and evaluate its color consistency and accuracy.
Připomínáme, že různé výkonnostní parametry mohou vyžadovat různé zkušební metody a vybavení, a mohou existovat určité průmyslové standardy a specifikace, for the performance testing of aerospace coatings, odpovídající zkušební metody a normy by měly být vybrány podle skutečných potřeb.