WET FRICTION MATERIAL

In a wet friction material, to be able to reduce a drag torque, while being greater in a disengagement feature and a positive mu-V slope characteristic by keeping a pore diameter large without generating strength reduction or increase in settling quantity. By adding small-particle inorganic filler 2...

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Bibliographische Detailangaben
Hauptverfasser:	MURANAKA TAKUYA, HOSHINO RYOUHEI, HIGASHIJIMA YUKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BLASTING BRAKES CHEMISTRY CLUTCHES COMPOSITIONS BASED THEREON COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL PROCESSES OF COMPOUNDING HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL WEAPONS WORKING-UP
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Beschreibung
Zusammenfassung:	In a wet friction material, to be able to reduce a drag torque, while being greater in a disengagement feature and a positive mu-V slope characteristic by keeping a pore diameter large without generating strength reduction or increase in settling quantity. By adding small-particle inorganic filler 2, it attaches the inorganic filler 2 to inter-fiber 3 and it can obtain an effect to improve strength of friction material substrates 1 by connecting the inter-fiber 3 when an impregnated resin is hardened. Moreover, by keeping an absolute specific gravity of the inorganic filler 2, its compounded capacity becomes small and it can secure a pore diameter 5 of the friction material substrates 1 without being filled in pores of the friction material substrates 1 with the inorganic filler 2. As a result, it makes faster to absorb ATF from a friction surface. Therefore, it improves the disengagement feature and the positive mu-V slope characteristic, while reducing the drag torque.