Resin-matrix friction material for tailings of high silicon iron

A technology of high-silicon iron tailings and friction materials, applied in other chemical processes, chemical instruments and methods, etc., to achieve the effects of low raw material cost, reduced raw material cost, and high thermal stability

Inactive Publication Date: 2010-09-01
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Method used

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Examples

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Effect test

Embodiment 1

[0024] Using high-silicon iron tailings with a median diameter of 12.21 μm and a mass content of 10% (the mass content of silicon dioxide is 78%, and the mass content of iron oxide is 18%, the same below) as one of the raw materials, and then mixed with Add 18% phenolic resin, 18% styrene-butadiene rubber, 0.9% zinc stearate, 10.8% carbon black (it has exceeded the maximum content in the formula, please modify), 27.9% barium sulfate, 14.4% long Stone powder is used as raw material, and high-silicon iron-doped tailings resin-based friction material is made by blending and dry hot-pressing process. When the friction and wear test is carried out at 350°C (using the method of the national standard GB / T 5764-1998, the following Same), friction coefficient (μ) and wear rate (V) are 0.48 and 0.68×10 -7 cm 3 / (N·m).

Embodiment 2

[0026] Using high-silicon iron tailings with a median diameter of 5.23 μm and a mass content of 10% as one of the raw materials, 18% phenolic resin, 18% styrene-butadiene rubber, 0.9% zinc stearate, 10.8% Carbon black, 27.9% barium sulfate, and 14.4% feldspar powder were used as raw materials. After blending and dry hot pressing, a resin-based friction material mixed with high-silicon iron tailings was made. When the friction and wear test was carried out at 350 ° C , friction coefficient (μ) and wear rate (V) are 0.40 and 0.55×10 -7 cm 3 / (N·m).

Embodiment 3

[0028] Using high-silicon iron tailings with a median diameter of 4.02 μm and a mass content of 10% as one of the raw materials, 18% phenolic resin, 18% styrene-butadiene rubber, 0.9% zinc stearate, 10.8% Carbon black, 27.9% barium sulfate, and 14.4% feldspar powder were used as raw materials. After blending and dry hot pressing, a resin-based friction material mixed with high-silicon iron tailings was made. When the friction and wear test was carried out at 350 ° C , friction coefficient (μ) and wear rate (V) are 0.30 and 0.45×10 -7 cm 3 / (N·m).

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Abstract

The invention provides a resin-matrix friction material for tailings of high silicon iron, which comprises the following components by weight percentage: 10-14% of tailings of high silicon iron, 10-30% of phenolic resin, 10-30% of butadiene styrene rubber, 0.1-5% of zinc stearate, 1-15% of carbon black, 10-30% of barium sulfate and 5-20% of feldspar powder, and the sum of weight percentage contents of the components is 100%. The resin-matrix friction material has the advantage of heat fading resistance, wherein the weight percentage content of the tailings of high silicon iron achieves 40%, and the the material cost of the resin-matrix friction material is reduced to a great extent.

Description

technical field [0001] The invention relates to a resin-based friction material, in particular to a resin-based friction material doped with high-silicon iron tailings. Background technique [0002] The automobile industry is a major industry in the world, and its safety performance is related to the safety of people's lives and property. Friction material is the key material for brakes and clutches of brake vehicles. The most commonly used friction material is resin-based friction material, but the resin matrix in this material will produce severe thermal decomposition when the working temperature exceeds 250 ° C, which makes its friction and wear performance severe recession. Therefore, solving the problem of thermal recession has always been a research hotspot at home and abroad. [0003] On the other hand, high-silicon iron tailings are mined iron ore and beneficiated to form tailings. Its output is high and its accumulation is huge. The main components of high silico...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/14C08L61/14C08L9/06C08K13/02C08K3/36C08K3/22C08K3/04C08K3/30
Inventor 侯贵华王占红
Owner YANCHENG INST OF TECH
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