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Friction plate material and preparation method thereof

A friction lining and filler technology, applied in friction linings, chemical instruments and methods, mechanical equipment, etc., can solve problems such as poor high temperature resistance, and achieve the effects of improving internal bonding strength, prolonging service life, and improving strength

Inactive Publication Date: 2017-12-29
章德恩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention uses boron-modified phenolic resin as binder, short carbon fiber as reinforcing phase, and adds a variety of inorganic substances as fillers. The synergistic effect of multiple components makes the metal-free boron-modified phenolic resin-based friction plate have excellent wear resistance. and high hardness, but its high temperature resistance is poor

Method used

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  • Friction plate material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A friction plate material and its preparation method

[0035] Friction plate material raw material composition: (unit: kg)

[0036] Enhanced foam alloy: aluminum alloy powder 8.5, tungsten carbide 0.45, titanium hydride 0.26;

[0037] Filling materials: modified fiber 35, phenolic resin 8, wear-resistant modifier 15, diatomaceous earth 6, brass powder 3, graphite 3, carbon fiber 3, silicon dioxide 2.

[0038] Prepared by:

[0039] Step S10, preparation of modified fiber:

[0040] Step S11, putting the emulsifier fatty alcohol polyoxyethylene ether into absolute ethanol, mixing and stirring for 1.5 hours to obtain an emulsion of fatty alcohol polyoxyethylene ether;

[0041] Step S12, adding the modifying agent phthalic anhydride into the emulsion, and continuing to stir and mix for 30 minutes;

[0042] Step S13, adding resin fibers, continuing to stir and mix for 3 hours, and standing still at room temperature for 22 hours;

[0043] Step S14, taking out the resin fi...

Embodiment 2

[0054] A friction plate material and its preparation method

[0055] Friction plate material raw material composition: (unit: kg)

[0056] Enhanced foam alloy: aluminum alloy powder 8, tungsten carbide 0.1, titanium hydride 0.2;

[0057] Filler: modified fiber 30, phenolic resin 10, wear-resistant modifier 20, diatomaceous earth 3, brass powder 5, graphite 1, carbon fiber 1, silicon dioxide 5.

[0058] Prepared by:

[0059] Step S10, preparation of modified fiber:

[0060] Step S11, putting the emulsifier fatty alcohol polyoxyethylene ether into absolute ethanol, mixing and stirring for 1 hour to obtain an emulsion of fatty alcohol polyoxyethylene ether;

[0061] Step S12, adding the modifying agent phthalic anhydride into the emulsion, and continuing to stir and mix for 30 minutes;

[0062] Step S13, add resin fibers, continue to stir and mix for 2 hours, and stand still at room temperature for 24 hours;

[0063] Step S14, taking out the resin fiber and curing to obtain ...

Embodiment 3

[0074] A friction plate material and its preparation method

[0075] Friction plate material raw material composition: (unit: kg)

[0076] Enhanced foam alloy: aluminum alloy powder 9, tungsten carbide 0.8, titanium hydride 0.08;

[0077] Filler: modified fiber 40, phenolic resin 5, wear-resistant modifier 10, diatomaceous earth 8, brass powder 1, graphite 5, carbon fiber 5, silicon dioxide 1.

[0078] Prepared by:

[0079] Step S10, preparation of modified fiber:

[0080] Step S11, putting the emulsifier fatty alcohol polyoxyethylene ether into absolute ethanol, mixing and stirring for 1 hour to obtain an emulsion of fatty alcohol polyoxyethylene ether;

[0081] Step S12, adding the modifying agent phthalic anhydride into the emulsion, and continuing to stir and mix for 30 minutes;

[0082] Step S13, add resin fibers, continue stirring and mixing for 1 hour, and stand still at room temperature for 20 hours;

[0083] Step S14, taking out the resin fiber and curing to obta...

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Abstract

The invention discloses a friction plate material and a preparation method thereof. The friction plate material comprises an enhanced type foam alloy framework and a packing material, wherein the enhanced type foam alloy framework comprises aluminum alloy powder, tungsten carbide and titanium hydride, and the packing material comprises modified fibers, phenolic resin, an abrasion-resistant modifying agent, kieselguhr, brass powder, graphite, carbon fibers and silicon dioxide. A friction plate prepared through the friction plate material and the preparation method provided by the invention has the characteristics of being small in friction coefficient, low in wear rate, high in strength and good in shock resistance; and the preparation method is simple, the production technological process is easy to operate, and the friction plate material and the preparation method thereof are suitable for large-scale popularization.

Description

technical field [0001] The invention belongs to the technical field of friction plate materials, and in particular relates to a friction plate material and a preparation method thereof. Background technique [0002] Friction materials are generally composed of mineral-based inorganic materials and organic materials, in which polymers are binders, fibrous organic and inorganic components are reinforcing materials, and powdery mineral and organic materials are fillers. These components are compounded, cured and processed to produce a braking material. With the disclosure of environmental problems caused by asbestos materials, a variety of alternative fibers have been used, such as "semi-metal" hybrid brake pads and asbestos-free organic brake pads, of which "semi-metal" hybrid brake pads are mainly made of coarse Steel fiber / steel wool is used as reinforcing fiber and an important mixture. Asbestos-free organic brake pads mainly use glass fiber, aramid fiber and carbon fiber ...

Claims

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Application Information

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IPC IPC(8): F16D69/02C09K3/14C22C47/14C22C49/06C22C49/14C22C101/00C22C101/10C22C121/00
CPCF16D69/023C22C47/14C22C49/06C22C49/14F16D2069/001F16D2200/003F16D2200/006F16D2200/0086
Inventor 章德恩
Owner 章德恩
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