4 brake fade
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Brake Fade
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Brake Fade
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Brake Fade• With prolonged application of brakes, their effectiveness decreases. This
is called fading of brakes.
• Higher vehicle speeds give rise to excessive temperatures during braking.
• Drum temperatures may rise as high as 250'C during braking.
• Such a high temperature results in fast wear of the linings and brake fade, i.e. heat temporarily changes the friction properties of the brake linings and brake pads.
• A 'hard' brake lining fades sooner and this leads to 'wheel skid'.
• The brake drum must be of such a material that it may quickly dissipate the heat developed during braking.