Preparation method of carbon fiber composite material cockpit door for automobile
A composite material and cockpit technology, which is applied in the field of auto parts manufacturing, can solve the problems of not taking into account the rigidity, deformability and driver protection of the cockpit door, the preparation method of the cockpit door is complicated, and the rigidity of the cockpit door is high, and the impact resistance is achieved. Good toughness, simple structure and excellent mechanical properties
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Embodiment 1
[0020] Step 1: Use 1K plain carbon fiber cloth, resin and organic solvent to configure resin solution as the main raw material, the resin is epoxy resin, the organic solvent is alcohol, and the resin and organic solvent are mixed at a weight ratio of 1:0.2 and mixed evenly. The fiber cloth is completely submerged in the resin solution for 2 hours, and the carbon fiber cloth is taken out and left to air for 4 hours, so that the carbon fiber impregnated cloth is in a semi-dry state.
[0021] Step 2: Place 3 layers of carbon fiber impregnated cloth layer in Step 1 in the mold of the car cockpit door model, press and solidify on the press, the pressure applied by the press is 2Mpa, and the curing temperature is 100°C. The heating rate is 5°C / h, the curing time is 2h, and the upper and lower high-density layers of the car cockpit door are made, with a density of 1.20g / cm 3 .
[0022] Step 3: Cut the soft carbon felt with a thickness of 5mm according to the shape of the car cockpit...
Embodiment 2
[0027] Step 1: Use 1K twill carbon fiber cloth, resin and organic solvent to configure resin solution as the main raw material, the resin is phenolic resin, the organic solvent is acetone, and the resin and organic solvent are mixed at a weight ratio of 1:1 to mix evenly, and the 1K carbon fiber The cloth was completely submerged in the resin solution for 4 hours, and the carbon fiber cloth was taken out and left to air for 10 hours, so that the carbon fiber impregnated cloth was in a semi-dry state.
[0028] Step 2: Place 10 layers of carbon fiber impregnated cloth in step 1 into the mold of the car cockpit door model, press and solidify on the press, press the pressure of 10Mpa, and the curing temperature is 150°C. The heating rate is 10°C / h, the curing time is 7h, and the upper and lower high-density layers of the car cockpit door are made, with a density of 1.30g / cm 3 .
[0029] Step 3: Cut the soft carbon felt with a thickness of 10mm according to the shape of the car co...
Embodiment 3
[0034] Step 1: Use 1K twill carbon fiber cloth, resin and organic solvent to configure resin solution as the main raw material, the resin is epoxy resin, the organic solvent is alcohol, and the resin and organic solvent are mixed at a weight ratio of 1:5 to mix evenly, and the 1K carbon The fiber cloth was completely submerged in the resin solution for 6 hours, and the carbon fiber cloth was taken out and left to air for 20 hours, so that the carbon fiber impregnated cloth was in a semi-dry state.
[0035] Step 2: Place 15 layers of carbon fiber impregnated cloth layer in step 1 in the mold of the car cockpit door model, press and solidify on the press, the pressure applied by the press is 18Mpa, the curing temperature is 180°C, and the The heating rate is 20°C / h, the curing and holding time is 15h, and the upper and lower high-density layers of the car cockpit door are made, with a density of 1.60g / cm 3 .
[0036] Step 3: Cut the soft carbon felt with a thickness of 15mm acc...
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