Thanseer, P M and Metya, A K and Palit Sagar, S (2017) Development of a Non-collinear Nonlinear Ultrasonic-Based Technique for the Assessment of Crack Tip Deformation. Journals of Materials Engineering and Performance, 26(6) (IF-1.331). pp. 2632-2639.
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Abstract
Non-collinear nonlinear ultrasonic (NCNLU) wave mixing technique has been established to study the localized plastic deformation at the crack tip during fatigue. A pair of ultrasonic shear wave was mixed non-collinearly to obtain a longitudinal wave of frequency equal to the sum of the two shear wave frequencies under a resonant condition. Experiments were carried out on notched 9Cr-1Mo 3-point bend specimen during high-cycle fatigue. The variation of the NCNLU parameter with the stress accumulation at the crack tip during the fatigue crack initiation
| Item Type: | Article |
|---|---|
| Official URL/DOI: | https://link.springer.com/article/10.1007/s11665-0... |
| Uncontrolled Keywords: | High-cycle fatigue; non-collinear wave mixing; non-collinear; nonlinear ultrasonic; stress zone; crack tip |
| Divisions: | Metal Extraction and Forming |
| ID Code: | 7635 |
| Deposited By: | Sahu A K |
| Deposited On: | 18 Aug 2017 18:21 |
| Last Modified: | 20 Sep 2017 15:02 |
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