Fiber-reinforced polymer composites have excellent mechanical properties and outstanding
development potential and are cost-effective. They have increasingly been used in …

Multilayer polymer composite structures have been playing important roles in various fields,
but the voids inside are not allowed in most scenarios. Ultrasonic technology has been …

This paper presents a low-power hardware architecture that facilitates the simultaneous
transmission and reception of ultrasonic signals when using coded excitations for ultrasonic …

Delamination defects are prone to occur during the production and use of carbon fiber
composites, which seriously affect the mechanical properties of the material. The production …

It is more and more difficult to identify defects in carbon fiber composite materials due to the
difficulty in making defect samples and the single signal analysis method. In order to better …

Heavy-walled cast austenitic stainless steels (CASSs) are usually used as the primary circuit
pipelines in many nuclear power plants, but detecting the small defects in these materials …

Fused filament fabrication (FFF) is a popular additive manufacturing process used for
fabrication of polymeric components. In this paper, defects are intentionally designed and …

The compromise between axial resolution and penetration depth in ultrasound imaging
poses a challenge for high-frequency ultrasonic arrays, limiting their ability to effectively …

注射成型是高性能聚合物构件成形的最主要手段, 但高性能聚合物的成形温度高且导热性差,
非均匀壁厚构件常因收缩不一致而产生内部缩孔缺陷, 显著影响构件性能 …

Pulse compression based excitation signals have been shown to improve signal quality in
many active ranging applications without negatively impacting range resolution. Most prior …