Titanium is a popular material for eyeglass frames due to its resistance to deformation, fading, and strong stability. It offers a sleek and sophisticated design, highlighting a high-grade and elegant temperament.
Titanium is categorized into two types: pure titanium and titanium alloy, which have some notable differences. Let's explore these distinctions:
1. Pure titanium eyeglass frames are slightly lighter than titanium alloy frames, although both materials are of superior quality, providing a comfortable feel and appealing appearance.
2. During the welding process, pure titanium frames are not exposed to oxygen in a vacuum, while titanium alloy frames undergo spot welding, resulting in weld marks with a distinct "slope" shape. This is a reliable method to differentiate between the two frame types.
3. In pure titanium frames, the hinge area does not directly contact titanium, whereas titanium alloy frames have direct contact with titanium. This can potentially lead to wrinkling at the joint and noticeable tension in the temple arms.
4. Pure titanium is lighter than titanium alloy, as it has only half the weight of the latter. Consequently, handcrafted glasses made from pure titanium are comparatively lightweight.
Now, let's discuss the characteristics of titanium alloy glasses:
1. Titanium alloy glasses possess a low density, high strength, excellent mechanical properties, and strong corrosion resistance. The frame's texture is lightweight and resistant to wet corrosion.
2. However, due to the poor technological performance of titanium alloy, cutting the material is challenging. As a result, these glasses tend to absorb chemical impurities such as hydrogen, oxygen, nitrogen, and carbon during the manufacturing process.
3. Titanium alloy has relatively poor wear resistance, and its production process is complex. Consequently, the cost of manufacturing glasses with this material is higher, and the workmanship is intricate. As a result, titanium alloy frames are considerably more expensive than regular eyeglass frames.
4. Frames made of titanium alloy exhibit exceptional durability, making them highly resistant to falling off or causing skin damage.
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