Passenger car friction material suitable for high speed of 200 kilometers and high deceleration speed of 0.8 G and preparation method of passenger car friction material
A friction material and deceleration technology, applied in the field of friction materials for passenger vehicles and their preparation, to achieve the effects of low wear, high deceleration, and improved wear resistance
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Embodiment 1
[0036] Step 1, Steel back treatment: Check the size and flatness of the steel back. After passing the test, clean the steel back with a cleaning agent, and then perform shot blasting to remove impurities and oxide layers on the surface to obtain a steel back with a clean surface. , and then put the steel back with a clean surface flat, spray glue, control the thickness of the glue layer to be 15-20 microns, and the glue spray area is 100%, to obtain the glued steel back;
[0037] Step 2, friction material mixing: 3.5kg steel fiber, 9kg self-made friction powder, 18kg granular potassium hexatitanate, 5kg aramid fiber, 5kg aluminum silicate fiber, 5kg tin sulfide, 2kg graphite powder, 3kg coke powder, 31.5kg silicon Add zirconium acid / zirconia / barium sulfate composite powder, 5kg calcium hydroxide, and 5kg mica into a high-speed mixer, mix at 400r / min for 30min, then add 8kg of modified resin, and mix at 400r / min for 30min to obtain a friction material mixture;
[0038] Step 3, ...
Embodiment 2
[0044] Step 1, Steel back treatment: Check the size and flatness of the steel back. After passing the test, clean the steel back with a cleaning agent, and then perform shot blasting to remove impurities and oxide layers on the surface to obtain a steel back with a clean surface. , and then put the steel back with a clean surface flat, spray glue, control the thickness of the glue layer to be 15-20 microns, and the glue spray area is 100%, to obtain the glued steel back;
[0045] Step 2, friction material mixing: 3.6kg steel fiber, 9kg self-made friction powder, 18kg granular potassium hexatitanate, 5kg aramid fiber, 5kg glass fiber, 6kg tin sulfide, 3kg graphite powder, 4kg coke powder, 32.3kg zirconium silicate Add zirconia / barium sulfate composite powder, 6kg calcium hydroxide, and 5kg mica into a high-speed mixer, mix at 443r / min for 35min, then add 8kg of modified resin, and mix at 446r / min for 38min to obtain a friction material mixture;
[0046] Step 3, hot pressing to ...
Embodiment 3
[0052] Step 1, Steel back treatment: Check the size and flatness of the steel back. After passing the test, clean the steel back with a cleaning agent, and then perform shot blasting to remove impurities and oxide layers on the surface to obtain a steel back with a clean surface. , and then put the steel back with a clean surface flat, spray glue, control the thickness of the glue layer to be 15-20 microns, and the glue spray area is 100%, to obtain the glued steel back;
[0053] Step 2, friction material mixing: 3.7kg steel fiber, 9kg self-made friction powder, 18kg granular potassium hexatitanate, 6kg aramid fiber, 6kg carbon fiber, 7kg tin sulfide, 4kg graphite powder, 5kg coke powder, 33.1kg zirconium silicate / Add zirconia / barium sulfate composite powder, 7kg calcium hydroxide, and 5kg mica into a high-speed mixer, mix at 489r / min for 47min, then add 9kg of modified resin, and mix at 476r / min for 51min to obtain a friction material mixture;
[0054] Step 3, hot pressing t...
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