Carbon-based friction material for automobile disc brake and preparation method thereof
A disc brake and friction material technology, which is applied in the field of carbon-based friction material for automobile disc brakes and its preparation, can solve the problems of high wear rate, large thermal decay of friction coefficient, and non-compliance with environmental protection requirements, and achieve long service life , high friction coefficient, and the effect of stable friction coefficient
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Embodiment 1
[0026] Embodiment 1: the carbon-based friction material for the automobile disc brake of this example, its composition and parts by weight are:
[0027] 15 parts of phenolic resin, 3 parts of carbon fiber, 3 parts of cellulose fiber, 25 parts of silicate fiber, 3 parts of nitrile rubber (powder), 28 parts of natural graphite, 3 parts of magnesium oxide, 20 parts of composite abrasive. The composition and parts by weight of the composite abrasive are: 18 parts of brown corundum, 36 parts of quartz sand, 36 parts of potassium feldspar, and 10 parts of molybdenum disulfide. The fineness of brown corundum is above 320 mesh, the fineness of quartz sand is 200 mesh, the fineness of potassium feldspar is 120 mesh, and the fineness of molybdenum disulfide is above 320 mesh.
[0028] A method for preparing a carbon-based friction material for an automobile disc brake, the method comprising:
[0029] a. After weighing each raw material, mix the proportioned raw materials evenly with a...
Embodiment 2
[0037] Embodiment 2: the carbon-based friction material for the automobile disc brake of this example, its composition and parts by weight are:
[0038] 12 parts of phenolic resin, 3 parts of carbon fiber, 3 parts of cellulose fiber, 25 parts of silicate fiber, 3 parts of nitrile rubber (powder), 28 parts of natural graphite, 3 parts of magnesium oxide, 23 parts of composite abrasive. The composition and parts by weight of the composite abrasive are: 18 parts of zircon, 36 parts of chromite, 36 parts of potassium feldspar, and 10 parts of antimony sulfide. The fineness of zircon is above 320 mesh, the fineness of chromite is 320 mesh, the fineness of potassium feldspar is 120 mesh, and the fineness of antimony sulfide is 200 mesh.
[0039] A method for preparing a carbon-based friction material for an automobile disc brake, the method comprising:
[0040] a. After weighing each raw material, mix the proportioned raw materials evenly with a dry mixer, and store them for later...
Embodiment 3
[0048] Embodiment 3: the carbon-based friction material for the automobile disc brake of this example, its composition and parts by weight are:
[0049] 18 parts of phenolic resin, 3 parts of carbon fiber, 3 parts of cellulose fiber, 25 parts of silicate fiber, 0 part of nitrile rubber (powder), 28 parts of natural graphite, 3 parts of magnesium oxide, 20 parts of composite abrasive. The composition and parts by weight of the composite abrasive are: 20 parts of zircon, 40 parts of chromite, and 40 parts of kyanite. The fineness of zircon is above 320 mesh, that of chromite is 320 mesh, and that of kyanite is 60 mesh.
[0050] A method for preparing a carbon-based friction material for an automobile disc brake, the method comprising:
[0051] a. After weighing each raw material, mix the proportioned raw materials evenly with a dry mixer, and store them for later use;
[0052] b. Use sandblasting or shot blasting to remove scale or rust on the surface of the steel back, then...
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