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RISAcoustic Microscopy at Low Frequency
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new design of the acoustic microscopy experimental set up is proposed and analyzed in this paper. The proposed microscope can operate at low frequency (0.1 to 3 MHz) and can be efficiently ...
Guided Waves in Multilayered Plates for Internal Defect Detection
Publisher: American Society of Civil Engineers
Abstract: In this paper, stress and displacement fields inside a multilayered plate are analytically computed. For the theoretical modeling, individual layers of the multilayered plate are assumed to be elastic and homogeneous, but ...
Seismic Performance of Interior and Exterior Beam–Column Joints in Recycled Aggregate Concrete Frames
Publisher: American Society of Civil Engineers
Abstract: The failure of beam–column joints in RC frame buildings induced by a strong earthquake can lead to the collapse of buildings. Therefore, numerous experimental studies have been carried out on beam–column joints made with ...
EMAT-Based Inspection of Concrete-Filled Steel Pipes for Internal Voids and Inclusions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Concrete-filled steel pipes have been used as piles for supporting civil and marine structures. These piles provide good bending resistance, and can be easily spliced for long depth installation. ...
Underwater Pipeline Inspection Using Guided Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Underwater pipeline inspections are conducted using ultrasonic cylindrical guided waves in the laboratory environment. Three different types of mechanical defects—gouge, removed metal, and dent—are ...
Scattering of Acoustic Beams by Cracked Composites
Publisher: American Society of Civil Engineers
Abstract: The scattering of elastic waves by a subsurface crack in a fiber‐reinforced composite half‐space immersed in a liquid is analytically studied in this paper. The composite half‐space is subjected to a bounded acoustic beam, ...
Ultrasonic Field Modeling in Multilayered Fluid Structures Using the Distributed Point Source Method Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the field of nondestructive evaluation (NDE), the newly developed distributed point source method (DPSM) is gradually gaining popularity. DPSM is a semi-analytical technique used to calculate ...
Pipe Wall Damage Detection in Buried Pipes Using Guided Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It is well known that cylindrical guided waves are very efficient for detecting pipe wall defects when pipes are open in the air. In this paper it is investigated how efficient the guided ...
Testing and Modeling of Solders Using New Test Device, Part 1: Models and Testing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For realistic design, reliability and failure analysis of materials such as solders for problems in electronic packaging, it is essential to develop and validate appropriate constitutive models. ...
Testing and Modeling of Solders Using New Test Device, Part 2: Calibration and Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The compendium paper (Part 1: Models and Testing) presents details of the thermomechanical-digital image correction (TM-DIC) for testing of solders, test plan under variable temperature and strain ...