Acoustic-Emission-Monitored Tests for TAB Inner Lead Bond Quality
نویسندگان
چکیده
منابع مشابه
Lead-free acoustic emission sensors.
Acoustic emission (AE) sensors have been fabricated using both soft- and hard-type lead-free (Na0.5K0.5)NbO3-based ceramics. The acoustic and electromechanical properties of the ceramics have been determined using the resonance technique. The lead-free AE sensors were calibrated using a laser source and compared to a commercial sensor. A lead zirconate titanate (PZT) 5H ceramics AE sensor has a...
متن کاملRupture of anterior cruciate ligament monitored by acoustic emission.
The scope of this study is to relate the acoustic emission (AE) during rupture of human soft tissue (anterior cruciate ligament, ACL) to the mechanisms leading to its failure. The cumulative AE activity highlights the onset of serious damage, while other parameters, show repeatable tendencies, being well correlated with the tissue's mechanical behavior. The frequency content of AE signals incre...
متن کاملFracture of Human Femur Tissue Monitored by Acoustic Emission Sensors
The study describes the acoustic emission (AE) activity during human femur tissue fracture. The specimens were fractured in a bending-torsion loading pattern with concurrent monitoring by two AE sensors. The number of recorded signals correlates well with the applied load providing the onset of micro-fracture at approximately one sixth of the maximum load. Furthermore, waveform frequency conten...
متن کاملNumerical Models for the Assessment of Historical Masonry Structures and Materials, Monitored by Acoustic Emission
The paper reviews some recent numerical applications for the interpretation and exploitation of acoustic emission (AE) monitoring results obtained from historical masonry structures and materials. Among possible numerical techniques, the finite element method and the distinct method are considered. The analyzed numerical models cover the entire scale range, from microstructure and meso-structur...
متن کاملHigh-temperature acoustic emission tests using lithium niobate piezocomposite transducers
Acoustic emission (AE) analysis is used for testing materials in structural components and machinery. Acoustic emission frequently consists of ultrasound in the frequency range 100 kHz to 1 MHz, generated either from growing cracks or from mechanical failure in rotating machinery. In the case of crack growth, individual AE events correspond to the release of elastic energy as the crack grows st...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Components, Hybrids, and Manufacturing Technology
سال: 1982
ISSN: 0148-6411
DOI: 10.1109/tchmt.1982.1135998