Results 21 to 30 of about 15,077 (301)
A Novel Detection Method for Acoustic Emission Using a Scanning Probe Microscope
Tribology Online, 2016 The fracture of the atomic-scale contact should be investigated for understanding the mechanism of the mechanical processing. Using a combination of the scanning probe microscope (SPM) with possible high space resolution and the acoustic emission (AE ...
Satoru Fujisawa +2 more
doaj +1 more source
Investigation of Local Mechanical Properties of Al-Cu-Li Alloys by Acoustic Microscope
Communications, 2003 The reflected scanning acoustic microscope was used for investigation of elastic properties of extruded Al-Cu-Li alloys. The local sound velocity and attenuation were measured by the V(z) curve method.
Sofia Berezina +2 more
doaj +1 more source
Examining tunnel current responses to acoustic excitation for STMs in gaseous environments
AIP Advances, 2018 Scanning tunneling microscopes are used to examine surfaces and surface properties with sub-nanometer precision. However, this high precision means these microscopes are extremely sensitive to vibration.
William Myers +2 more
doaj +1 more source
Direct bonding of aluminum to alumina using a nickel interlayer for power electronics applications
Results in Materials, 2020 Three films of Ni with thicknesses of 100, 300, and 500 nm were deposited on an Al2O3 base and direct bonded with Al to form high-power electronic substrates for comparison. The microstructures of Al/Al2O3 joints were evaluated using a scanning electron
Yu-Ting Wang +3 more
doaj +1 more source
Enhancement in fire retardant Properties of Coconut Coir/Polyurethane acoustic composites
Journal of Natural Fibers, 2022 This study aims to enhance the flammability properties of coconut coir and polyurethane resin sound-absorbing material. Sound absorption properties of the material for normal sound incidence were measured using impedance tube setup up based on ISO 10534 ...
Nirmala H. Bhingare, S. Prakash
doaj +1 more source
Research on Sparse Representation Method of Acoustic Microimaging Signals
Applied Sciences, 2022 Acoustic microimaging (AMI), a technology for high-resolution imaging of materials using a scanning acoustic microscope, has been widely used for non-destructive testing and evaluation of electronic packages.
Kun Wang +4 more
doaj +1 more source
Meikuang Anquan, 2021 The distribution characteristics of acoustic emission events of sandstone and granite at different loading rates are analyzed. Electron microscopy of rock fragments with and without acoustic emission events is performed.
FENG Xiaojing, ZHANG Ruizhe
doaj +1 more source
Mechanically Scanned Acoustic Microscope [PDF]
Japanese Journal of Applied Physics, 1982 Recent studies performed mainly in the author's laboratory are reviewed regarding the quantitative measurements of acoustic velocities with acoustic microscopes. An interference microscope is described which measures acoustic velocities in thin biological materials.
openaire +1 more source
Российский технологический журнал, 2018 Application of a lens multi-element acoustic microscope for the visualization and quantitative characterization of small discontinuities with dimensions of the spatial resolution level is considered.
S. A. Titov, A. N. Bogachenkov
doaj +1 more source
Advanced Photonics Research, 2022 Current optoacoustic (OA) microscopy configurations often have narrow focal ranges that limit their use for fast volumetric imaging applications. Herein, the focal range of OA microscopes is extended by matching the elongated optical illumination profile
Zakiullah Ali +2 more
doaj +1 more source