Metallurgical friction material for high and cold area high-speed train brake pad
A technology for high-speed trains and brake pads, which is applied to friction linings, gear transmission mechanisms, and other chemical processes, etc., and can solve the problem of reduced thermal decay ability of brake pads, poor braking effect of brake pads, and potential safety hazards, etc. problems, to achieve the effect of improving thermal recession resistance, good physical and mechanical properties, and stable friction and wear performance
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[0016] Example 1
[0017] The metallurgical friction material for high-speed train brake pads in the alpine region of the present invention is composed of the following components by weight: 30 parts of copper, 10 parts of iron, 5 parts of graphite, 1 part of yttrium-stabilized fused zirconia, 1 part of molybdenum disulfide, 3 parts of silicon carbide, 1 part of tin, 1 part of manganese, 1 part of nickel, 0.5 part of high carbon ferrochrome, and 1.5 part of mullite powder, wherein the graphite is composed of flake graphite and granular graphite, and its weight ratio To: 1:1.
[0018] The metallurgical friction material for the brake pads of high-speed trains in the alpine region of the present invention, the process method is as follows: after mixing the above-mentioned components into kerosene, stirring them uniformly by a mixer; then pressing the mixture into a compact; The green compact is sintered under pressure and high temperature in a reducing atmosphere or an inert at...
Example Embodiment
[0019] Example 2
[0020] The metallurgical friction material for high-speed train brake pads in the alpine region of the present invention is composed of the following components in parts by weight: 70 parts of copper, 30 parts of iron, 20 parts of graphite, 20 parts of yttrium-stabilized fused zirconia, 10 parts of molybdenum disulfide, 5 parts of silicon carbide, 5 parts of tin, 5 parts of manganese, 5 parts of nickel, 5 parts of high-carbon ferrochromium, and 3.5 parts of mullite powder, wherein the graphite is composed of flake graphite and granular graphite, and its weight ratio For: 1:2.
[0021] The preparation method is the same as that in Example 1.
Example Embodiment
[0022] Example 3
[0023] The metallurgical friction material for high-speed train brake pads in alpine regions of the present invention is composed of the following components by weight: 40 parts of copper, 15 parts of iron, 10 parts of graphite, 4 parts of yttrium-stabilized fused zirconia, 3 parts of molybdenum disulfide, 3 parts of silicon carbide, 1 part of tin, 2 parts of manganese, 3 parts of nickel, 1 part of high-carbon ferrochromium, and 1.5 parts of mullite powder, wherein the graphite is composed of flake graphite and granular graphite, and its weight ratio as: 1:1.5.
[0024] The preparation method is the same as that in Example 1.
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