Journal ArticleDOI
Effect of Conical Profile on the Transmission of Elastic Waves From Cylindrical Waveguide to Bulk
Ahmed A. Zul Karnain,Prabhu Rajagopal +1 more
- Vol. 3, Iss: 3
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TLDR
In this paper, the authors studied the transmission of elastic waves into test specimens for cylindrical waveguide-based ultrasonic transducers and found that a 50-deg conical transition profile helped achieve better transmission and beam directionality into the specimen and also better reception of the back wall reflections at the waveguide as compared to a simple cylindular rod waveguide.Abstract:
This paper studies the transmission of elastic waves into test specimens for cylindrical waveguide-based ultrasonic transducers. However, to achieve better mode focusing, topographical waveguides with conical profiles were studied. Finite element simulations were used to study wave propagation and transmission into specimen samples using such “transmission horns.” Fundamental longitudinal mode L(0,1) was generated in cylindrical rods. Results from both finite element simulations and experiments show that a 50-deg conical transition profile help achieve better transmission and beam directionality into the specimen and also better reception of the back wall reflections at the waveguide as compared to a simple cylindrical rod waveguide.read more
Citations
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Journal ArticleDOI
Non-contact monitoring and evaluation of subsurface white etching area (WEA) formation in bearing steel using Rayleigh surface waves
TL;DR: In this article, a feasibility study aimed to detect subsurface white etching area (WEA) formation using ultrasonic surface (Rayleigh) waves, using impact loading experiments at 2'GPa contact pressure with loading frequency 4.5'Hz on AISI 52100 bearing steel balls by varying test durations.
References
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Book ChapterDOI
Disperse: a general purpose program for creating dispersion curves
TL;DR: In this article, a general-purpose program that can create dispersion curves for a very wide range of systems and then effectively communicate the information contained within those curves is presented, using the global matrix method to handle multi-layered Cartesian and cylindrical systems.
Journal ArticleDOI
On the partition of energy between elastic waves in a semi-infinite solid
G. F. Miller,H. Pursey +1 more
TL;DR: In this paper, the authors derived the power radiated in the compressional, shear and surface waves set up by a circular disk vibrating normally to the free surface of a semi-infinite isotropic solid.
Journal ArticleDOI
High-temperature (>500°c) wall thickness monitoring using dry-coupled ultrasonic waveguide transducers
TL;DR: The design of a high-temperature ultrasonic thickness gauge that bypasses problems of depolarization and differential thermal expansion of the different materials within a transducer causes them to fail is described.
Journal ArticleDOI
Correction: Corrigendum: Ectopic expression of Arabidopsis Target of Rapamycin (AtTOR ) improves water-use efficiency and yield potential in rice
Achala Bakshi,Mazahar Moin,M. Udaya Kumar,Aramati B. M. Reddy,Maozhi Ren,Raju Datla,E. A. Siddiq,Pulugurtha Bharadwaja Kirti +7 more
TL;DR: This Article contains errors in the Affiliations of Maozhi Ren and Raju Datla.
Journal ArticleDOI
Experimental evaluation of clad metallic buffer rods for high temperature ultrasonic measurements
C.-K. Jen,J.-G. Legoux,L. Parent +2 more
TL;DR: In this paper, the fabrication, evaluation and several applications of metallic buffer rods consisting of a core and a cladding are presented, where the core can have a taper shape and the cladding is fabricated by thermal spray techniques.