| 摘要 |
PURPOSE:To lower thermal conductivity while retaining wear-resistance and fade-resistance of the conventional semi-metallic friction material and to obtain the optimum and excellent friction material by using an inorganic binding material and reinforcing resin suitable for use as a friction material for a brake or a clutch. CONSTITUTION:A friction material is formed by 5-35% metallic fiber, 10-50% inorganic fiber or organic fiber or both of them, 0-30% organic binding material, 10-60% inorganic binding material and 10-60% filler by volume. In this material, in order to hold down the additional amount of metallic fiber which conventionally raises thermal conductivity as much as possible and reduce a decrease in heat resistance, wear-resistance, and fade-resistance due to a lowering of metallic fiber content, reinforcing fiber and inorganic binding material which has low thermal conductivity and is rich in heat-resistance are added. Accordingly, while wear-resistance and fade-resistance of the conventional semi- metallic friction material are retained, the thermal conductivity is lowered to obtain the optimum and excellent friction material for a brake or a clutch.
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