Kumar, Anish ; Shankar, V. ; Jayakumar, T. ; Vasudevan, M. ; Baldev Raj, (2002) Nondestructive measurement of coating thickness using through thickness ultrasonic velocity measurements Materials Evaluation, 60 (6). pp. 791-794. ISSN 0025-5327
Full text not available from this repository.
Abstract
A new methodology has been developed for online measurement of coating thickness using ultrasonic velocity measurements. This method is based on the change in through thickness ultrasonic velocity in the coated specimen with change in the coating thickness when a difference exists between the ultrasonic velocities in the coating and the substrate. This methodology has been demonstrated for the determination of the thickness of NiAl coating on a high temperature nickel chromium alloy substrate with an accuracy of ± 10 µm (±4 x 10-4 in).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Society for Nondestructive Testing. |
| ID Code: | 91298 |
| Deposited On: | 18 May 2012 07:13 |
| Last Modified: | 18 May 2012 07:13 |
Repository Staff Only: item control page
