| 摘要 |
PROBLEM TO BE SOLVED: To improve the seizure resistance of a sliding member by spraying thermally a coating and by subjecting the member to laser surface treatment. SOLUTION: An Al-Si spray coating 12 provided on a substrate 10 is irradiated with a laser, e.g. by a spottly or linearly, partially heated to cause a structural change and modified. The laser irradiated parts 14 are selectively won into recesses to become oil sumps at the time of sliding work, so that a sliding face excellent in seizure resistance is formed. |
