Metal ceramic composite material for brake pad of new energy automobile and preparation method thereof

A new energy vehicle, cermet technology, applied in the field of brake pad materials, can solve the problems of short service life, high wear rate, strong vibration, etc., achieve long service life, good wear resistance, and improve the effect of compression resistance

Active Publication Date: 2020-05-05
HANGZHOU ANNAT IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Traditional automobile brake pads mostly use semi-metallic friction materials or asbestos materials, but these materials usually have problems such as loud noise, strong vibration, high wear rate and short service life.

Method used

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  • Metal ceramic composite material for brake pad of new energy automobile and preparation method thereof
  • Metal ceramic composite material for brake pad of new energy automobile and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A metal-ceramic composite material for new energy vehicle brake pads, comprising the following components in parts by weight:

[0035] 48 parts of alloy powder, 1.2 parts of titanium powder, 2.3 parts of zirconium diboride, 6 parts of titanium nitride, 10 parts of aluminum nitride, 8 parts of tungsten carbide, 6 parts of silicon carbide, 30 parts of aluminum trioxide, molybdenum disulfide 5 parts, 15 parts of graphene, 7 parts of modified acicular wollastonite, 4.6 parts of boron-cardanol modified phenolic resin, 5 parts of modified aramid fiber, 10 parts of long-chain silane coupling agent modified carbon fiber, poly 12 parts of oxyxylene, 6 parts of polystyrene, 40 parts of nitrile rubber powder, 30 parts of EPDM rubber powder, 12 parts of maleic anhydride grafted EPDM rubber.

[0036] The alloy powder includes the following elemental composition by weight:

[0037]Mn: 0.4%, Sn: 0.12%, Cu: 0.55%, Cr: 18.2%, Mo: 1.25%, Ni: 4%, Zn: 2.2%, Ta: 0.04%, C: 7.5%, Si: 4.8%, ...

Embodiment 2

[0043] A metal-ceramic composite material for new energy vehicle brake pads, comprising the following components in parts by weight:

[0044] 60 parts of alloy powder, 2.5 parts of titanium powder, 5 parts of zirconium diboride, 5.5 parts of titanium nitride, 8 parts of aluminum nitride, 5 parts of tungsten carbide, 6 parts of silicon carbide, 30 parts of aluminum oxide, molybdenum disulfide 5 parts, 13 parts of graphene, 8 parts of modified acicular wollastonite, 5 parts of boron-cardanol modified phenolic resin, 3 parts of modified aramid fiber, 6 parts of long-chain silane coupling agent modified carbon fiber, polymer 8 parts of oxyxylene, 6 parts of polystyrene, 45 parts of nitrile rubber powder, 20 parts of EPDM rubber powder, and 14 parts of maleic anhydride grafted EPDM rubber.

[0045] The alloy powder includes the following elemental composition by weight:

[0046] Mn: 0.2%, Sn: 0.26%, Cu: 0.4%, Cr: 18%, Mo: 0.8%, Ni: 2.5%, Zn: 3%, Ta: 0.04%, C: 6.5%, Si: 4.8%, Rare...

Embodiment 3

[0052] A metal-ceramic composite material for new energy vehicle brake pads, comprising the following components in parts by weight:

[0053] 55 parts of alloy powder, 1 part of titanium powder, 4 parts of zirconium diboride, 8 parts of titanium nitride, 6.5 parts of aluminum nitride, 8 parts of tungsten carbide, 10 parts of silicon carbide, 25 parts of aluminum oxide, molybdenum disulfide 4 parts, 15 parts of graphene, 10 parts of acicular wollastonite, 5 parts of boron-cardanol modified phenolic resin, 5 parts of modified aramid fiber, 8 parts of long-chain silane coupling agent modified carbon fiber, polyoxyethylene 15 parts of toluene, 10 parts of polystyrene, 30 parts of nitrile rubber powder, 26 parts of EPDM rubber powder, and 12 parts of maleic anhydride grafted EPDM rubber.

[0054] The alloy powder includes the following elemental composition by weight:

[0055] Mn: 0.5%, Sn: 0.16%, Cu: 0.4%, Cr: 20%, Mo: 1.3%, Ni: 4.5%, Zn: 1%, Ta: 0.05%, C: 6%, Si: 6.8%, Rare ear...

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PUM

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Abstract

The invention provides a metal ceramic composite material for a brake pad of a new energy automobile and a preparation method thereof, and relates to the field of brake pad materials. The metal ceramic composite material comprises, by weight, 40-60 parts of alloy powder, 1-3 parts of titanium powder, 2-5 parts of zirconium diboride, 5-10 parts of titanium nitride, 5-10 parts of aluminum nitride, 5-10 parts of tungsten carbide, 5-10 parts of silicon carbide, 20-30 parts of aluminum oxide, 1-5 parts of molybdenum disulfide, 10-18 parts of graphene, 6-12 parts of aciform wollastonite, 4-8 parts of boron-cashew phenol modified phenolic resin, 3-7 parts of modified aramid fiber, 5-10 parts of carbon fiber modified with long chain silane coupling agent, 8-16 parts of polyxylene, 5-10 parts of polystyrene, 30-50 parts of nitrile rubber powder, 20-30 parts of ethylene-propylene-diene monomer powder and 10-15 parts of maleic anhydride grafted ethylene propylene diene monomer rubber. The metal ceramic composite material has good wear resistance, the overall performance index is in a reasonable change range, the heat dissipation performance is good, and the service life is long.

Description

technical field [0001] The invention relates to the field of brake pad materials, in particular to a metal-ceramic composite material for brake pads of new energy vehicles and a preparation method thereof. Background technique [0002] New energy vehicles refer to the use of unconventional vehicle fuels as the power source (or the use of conventional vehicle fuels, the use of new vehicle power units), the integration of advanced technologies in vehicle power control and driving, and the formation of advanced technical principles. New technology, new structure of the car. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid electric vehicles, fuel cell electric vehicles, hydrogen engine vehicles, and other new energy vehicles. The general characteristics of these new energy vehicles are fast acceleration, strong power, and low noise. Generally, the acceleration of 100 kilometers is less than 10 seconds. The braking performance in emerg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/08C22C49/14C22C47/14C22C101/10
CPCC22C47/14C22C49/08C22C49/14
Inventor 马成龙
Owner HANGZHOU ANNAT IND
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