| 摘要 |
<p>PROBLEM TO BE SOLVED: To confirm that temperature exceeds a predetermined value even under a situation of being restored to room temperature, in order to prevent continuous use or reuse after concern on thermal deterioration occurs, for a friction material for brake containing an organic material capable of being thermally deteriorated.SOLUTION: A friction material for brake, supported with a support member 3 by bonding a lining 2 slid to a brake rotor to the support member 3, includes a thermal history detection member 4 that keeps a change state that irreversible change occurs when the temperature of a detection object place exceeds a predetermined value.</p> |
