Analysis of the Circumferential Wave Dispersion of an Acoustic Signal Backscattered by a Porous Tube: Cortical Bone

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
Rizlane Babach, Mountassir Lahcen, Nounah Hassan
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Abstract

In this study, the elastic properties of porous cylinders are evaluated using a nondestructive method based on ultrasonic wave propagation. In the scientific community, the elastic properties of materials play a crucial role. Measuring these properties can reveal valuable details about the mechanical properties of these materials. The scattering of a plane acoustic wave has received a great deal of attention from researchers due to its growing interest in many disciplines. Many authors have studied the acoustic scattering by means of cylindrical components (e.g. tubes, cylinders, etc.). This study shows how to analyze the distribution of circumferential waves with increasing porosity using the modal view of the waves propagating around the circumference of a cortical bone. This technique is applied on a signal backscattered by an porous tube of radius ratio b/a = 0.7 (a is the external radius and b is the internal radius). Our investigation revealed a correlation between bone porosity, fluid saturation, and pore radius, and changes in elastic properties. The Schoch model was developed to investigate the propagation of ultrasonic waves in porous bone. The results demonstrate the effectiveness of this approach for acoustic characterization and describing the impact of osteoporosis on bone elasticity.

Abstract Image

多孔管反向散射声信号的圆周波频散分析:皮质骨
本研究采用基于超声波传播的无损方法对多孔圆柱体的弹性特性进行了评估。在科学界,材料的弹性特性起着至关重要的作用。测量这些特性可以揭示有关这些材料机械特性的宝贵细节。由于平面声波的散射在许多学科中日益受到关注,因此受到了研究人员的高度重视。许多学者通过圆柱形部件(如管、圆柱等)对声散射进行了研究。本研究展示了如何利用波在皮质骨圆周传播的模态视图,分析随着孔隙率增加圆周波的分布。该技术应用于半径比为 b/a = 0.7(a 为外部半径,b 为内部半径)的多孔管反向散射的信号。我们的研究揭示了骨孔隙率、液体饱和度和孔隙半径与弹性特性变化之间的相关性。我们开发了 Schoch 模型来研究超声波在多孔骨中的传播。结果证明了这种方法在声学表征和描述骨质疏松症对骨弹性的影响方面的有效性。
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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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