Properties of ultrasonically consolidated Al/Cu laminated composites and the attenuation effect of shock waves

Researchers have been challenged to improve the protective performance of composite armor materials.Herein, pure Al and Cu foils were used as raw materials and composited concurrently using ultrasonic additive manufacturing technology to study their microstructure and properties.A scanning electron microscope and universal testing machine were used

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Cardiac mortality predictability of T-wave alternans in young ST-elevated myocardial infarction patients with preserved cardiac function

Objective: Primary prevention of sudden cardiac death in ST-elevation myocardial infarction (STEMI) is a complicated issue due to the highly heterogeneous population.The effect of T-wave alternans (TWA) on cardiac mortality has been examined in various populations, most often in patients with a high risk of fatal arrhythmia, such as patients with a

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