How do composite materials perform in high-altitude environments with low oxygen?

Composite materials are widely used in aerospace and other high-altitude applications due to their lightweight, high strength, and corrosion resistance. However, their performance in low-oxygen environments poses unique challenges. At high altitudes, reduced oxygen levels can affect the thermal and mechanical properties of composites. For instance, epoxy-based composites may experience slower curing rates, while carbon fiber reinforcements maintain structural integrity. Additionally, low oxygen can reduce oxidative degradation, potentially extending material lifespan. Studies show that composites like carbon-fiber-reinforced polymers (CFRPs) perform well under these conditions, making them ideal for aircraft and satellite components. Proper material selection and testing are crucial to ensure reliability in extreme environments.