wardrobe materials 4

Application of aluminum alloys in aerospace

The aerospace industry is an important high-tech field and has extremely high performance requirements for materials. In the complex space environment, spacecraft need to face challenges such as extreme temperature changes, strong radiation, and vacuum environments. Therefore, the materials selected must have excellent mechanical properties, physical properties, and chemical properties. Aluminum alloy has been widely used in the aerospace industry due to its own advantages.

1. Low density: The density of aluminum alloy is much lower than that of iron, steel and other materials, but its strength is very high. In the manufacturing of spacecraft, especially the shell, frame and other parts of the spacecraft, aluminum alloy materials are often used to reduce the weight of the spacecraft.

1. Corrosion resistance: In the complex space environment, aluminum alloy has good corrosion resistance and can ensure the normal operation of the spacecraft.

4. Processing performance: Aluminum alloy has good processing performance and can be made into parts of various shapes through various processing methods to meet the needs of the aerospace industry.

5. Electrical conductivity: Aluminum alloy has excellent electrical conductivity and can be used in the electrical system of spacecraft.

6. Has good welding performance: Aluminum alloys can be connected through various welding methods to meet the structural design needs of spacecraft.

Therefore, aluminum alloys are widely used in the aerospace field, including the manufacturing of various spacecraft such as rockets, satellites, space stations, and space shuttles.

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Introduction to H13 mold steel

H13 mold steel is a hot work mold steel with good thermal strength and hot hardness, good wear resistance and fatigue resistance, good thermal creep resistance, and high hardness after heat treatment, which can reach HRC46-50. H13 mold steel has stable chemical composition, excellent impact toughness and high toughness, which can ensure the service life of the mold.

H13 die steel is mainly used to manufacture high-strength hot tools, such as hot extrusion dies, hot forging dies, die-casting dies, hot shear blades, etc. In addition, it can also be used to manufacture large plastic molds, cold stamping molds, etc.

The advantage of H13 mold steel is that it has high heat resistance and wear resistance, as well as good oxidation resistance and thermal fatigue resistance, and can maintain good hardness and wear resistance at high temperatures. However, H13 mold steel has poor welding performance and requires special welding processes.

Why do LED explosion-proof lights use aluminum alloy?

What are LED explosion-proof lights? Why do LED explosion-proof lights choose to use aluminum alloy? What are the benefits of using aluminum alloy LED explosion-proof lights?

LED explosion-proof lamps are lamps used in dangerous places where flammable gases and dust exist. They can prevent arcs, sparks and high temperatures that may be generated inside the lamp from igniting flammable gases and dust in the surrounding environment, thereby meeting explosion-proof requirements.

Why choose aluminum alloy for LED explosion-proof lights? What are the benefits and advantages?

1. Aluminum alloy conducts heat quickly, and the lamp generates a lot of heat. If there is no metal with fast thermal conductivity, the lamp may burn out because the heat cannot be dissipated. Just like Apple phones use aluminum alloy casings, but not just because of thermal conductivity.

2. Aluminum alloy is easy to form and has strong impact resistance. This impact resistance does not mean that the hardness is hard, but because it is relatively soft, it can effectively relieve the impact when it is impacted.