What are the advantages of carbon fiber auto parts as an alternative to metal pipes?

1, safety advantage: the large force of pipe is used to make structural parts, play a supporting role. However, in industrial production, with the increase of bearing load, the pipe itself may be broken and damaged. The breaking process of the metal pipe is relatively severe and may suddenly break, causing huge safety risks. If the breaking damage of the carbon fiber auto parts occurs, it needs to go through a series of processes such as matrix damage, cracking, interface debonding and fiber fracture. The process will be slower and the security will naturally be higher.
2. Advantage of thermal expansion: the pipe will face high temperature and low temperature environmental problems in the process of use. Once the temperature changes greatly, the metal pipe will also have the problem of deformation. Carbon fiber auto parts perform significantly better than metal tubes in this respect. The coefficient of thermal expansion of aluminum is 23×. 10^-6, the thermal expansion coefficient of steel is 13× 10-^6, while the coefficient of thermal expansion of carbon fiber is only 1.4× 10 to the minus 6, it doesn't deform at all.
3, strength advantage: the tensile strength of carbon fiber bundles can exceed 3000MPa, even after the combined carbon fiber composite material, the strength can still be as high as 1500MPa. The tensile strength of ordinary metal pipe is 300-600MPa, and aluminum is only poor 110-136MPa, the strength is better than metal pipe.
4, weight advantage: mass = density * volume, the same volume, the density of the material is smaller, the overall mass is lighter. The density of carbon fiber composites is about 1.6g/cm3, common metal is about 7.8g/cm3, and aluminum is about 2.7g/cm3. Carbon fiber auto parts are even more than 40 percent lighter than aluminum tubes. If used on large equipment, the productivity gains will be significant.
5, durability advantage: the fatigue strength of carbon fiber auto parts is about 70-80% of the tensile strength, and the fatigue strength of metal tube is only 30-50% of the tensile strength, because of the high tensile strength of carbon fiber auto parts, high proportion, fatigue resistance is also better than metal tube, durability is self-evident.