Objectively evaluate the advantages and disadvantages of carbon fiber bicycles

Carbon fiber has been utilized in bicycles as a high-tech material within the last ten years. properly speaking , carbon fiber isn't an easy carbon element, but a mix of carbon elements that's bonded and reinforced with epoxy after weaving. within the youth of carbon fiber, thanks to technical reasons, the epoxy used would even decompose within the sun. With the advancement of science and technology, the shortcomings of this excellent material are gradually being overcome. for instance , the German K frame uses high-grade 16K carbon fiber. The strength of this carbon fiber even exceeds that of steel, and it's a lifetime warranty.

Carbon fiber not only has the intrinsic characteristics of carbon materials but also has the soft processability of textile fibers. Its relative density is a smaller amount than 1/4 of steel, but its strength is extremely strong. And its corrosion resistance is outstanding, it's a replacement generation of reinforcing fiber. The carbon frame is characterized by "lightweight, good rigidity, and good impact absorption". to offer full play to the superb performance of carbon fiber, it doesn't seem to be very easy technically. However, carbon fiber still has advantages that other materials don't have. It can manufacture lightweight bicycles of about 8kg or 9kg. this type of carbon fiber lightweight bicycle can best reflect its advantages when climbing a hill, and therefore the climbing is smooth and refreshing. and in contrast to some light aluminum alloy frames, you are feeling a sort of pullback when climbing a hill.

Generally speaking, carbon fiber as a bicycle material has the subsequent characteristics:
1. Extremely lightweight:
Carbon fiber mountain bike frames of about 1200 grams are seen everywhere. Since the mass of carbon is merely 1.6 g/cm3, it's not a dream to form a frame of about 1 kg. The carbon fiber frame is formed by layering carbon fibers against the direction during which the strain occurs to get strength. The carbon fiber frame is extremely light, which is thanks to its density and powerful lastingness .

2.Good shock absorption performance.
The carbon fiber frame bicycle can effectively absorb vibration and maintain good rigidity. This feature makes it a really good competition-level material.

3. Frames of varied shapes are often made.
Unlike the manufacturing process of a general metal frame, acarbon fiber frame is usually made by first making a mold, then attaching a carbon fiber sheet to the mold, and eventually fixing it with epoxy . this type of producing process can use aerodynamics to form a frame with minimal wind resistance.

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The current problems with this material are mainly the subsequent 4 points:
1. Complicated stress calculation.
The carbon fiber frame consists of carbon fiber, which is characterized by strong lastingness but weak shear strength. Complex stress calculations (longitudinal rigidity and lateral rigidity) are required during processing, and therefore the carbon fiber sheets are overlapped and formed consistent with the calculation. Generally speaking, carbon fiber resists surface impact quite well, but its puncture resistance is extremely poor. that's to mention , it doesn't matter if you fall and shoot vertically. I'm afraid that you simply will encounter one or two sharp pebbles within the process of falling horizontally and vertically. Then it are often solved by soldering it.

2. the worth is dear .
Compared with titanium alloys, the worth of carbon fiber frames is even higher. the worth oftop carbon fiber frames is tens of thousands, while the worth of Konago's C40 and C50 even exceeds 20,000. Yuan. this is often mainly because the manufacturing process of the carbon fiber frame requires tons of manual work, and therefore the scrap rate is extremely high, leading to an outsized increase in cost.

3. Difficult to vary the dimensions .
It is difficult to vary the dimensions of the frame thanks to the molding after the mold is completed. Unable to reply to orders of multiple sizes and designs .

4. it's easy to age:
It will gradually whiten when placed within the sun. Of course, this phenomenon is said to the manufacturer's technology. it's best to not place it within the sun. Some carbon racks even got to be regularly coated with a protective layer.

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