3C Consumer Electronics
The requirements and challenges for the laptop casing material are twofold: first, it must be strong enough to protect the screen, and second, it needs to be lightweight enough for easy portability.
Compared to plastic, metal materials are more popular in the market due to their refined texture, cool-to-the-touch feel, as well as superior properties like compression resistance, wear durability, and excellent thermal conductivity.
Magnesium-lithium alloy, the world's lightest metal structural material. It combines the exceptional properties of lightweight materials commonly used in applications such as aluminum alloys, magnesium-aluminum alloys, and carbon fiber composites, offering outstanding overall advantages. The key benefits include:
Ultra-lightweight and high-strength:
Magnesium-lithium alloy is currently one of the lightest metallic structural materials in the world, boasting high specific strength and high specific modulus. Its exceptional strength and rigidity allow laptops to achieve both lightweight designs and robust structural integrity.
Excellent thermal and electrical conductivity:
Magnesium-lithium alloy boasts a thermal conductivity of 70–80 W/(m·K), making it 300–400 times more thermally efficient than plastic and 30–50 times better than carbon fiber composites. Its electrical conductivity is approximately 10^16 times higher than that of plastic, yet still about 10^4 times greater than carbon fiber composites. This exceptional performance significantly enhances the heat dissipation capabilities of laptops, effectively addressing the common issue of inadequate cooling in ultra-thin, lightweight models.
Shock absorption and noise reduction
Magnesium-lithium alloys feature a high internal damping coefficient, which allows energy to be dissipated within the metal itself, effectively reducing vibrations and enhancing device stability—while also contributing to noise reduction.
Electromagnetic shielding capability:
Magnesium-lithium alloy exhibits excellent shielding properties against electromagnetic waves across various frequency bands, enhancing both the safety and accuracy of devices.
Good formability
Magnesium-lithium alloys can be processed using a variety of techniques, including stamping, die casting, and CNC machining, along with an extensive range of surface treatments, allowing them to meet designers' and consumers' exacting demands for both texture and color.
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