铸造奥氏体不锈钢(Cast austenitic stainless steel, CASS) 管道的焊接质量直接关系到核反应堆
的安全, 在核动力装置的检验规范中, 对此类焊缝加工质量及服役期间状况提出无损检测的强制 …

The complex structure of inhomogeneous welds poses a long-standing challenge in
ultrasonic non-destructive testing. Elongated grains with spatially varying dominant …

Imaging defects in austenitic welds presents a significant challenge for the ultrasonic non-
destructive testing community. Due to the heating process during their manufacture, a …

Estimating the spatially varying microstructures of heterogeneous and locally anisotropic
media non-destructively is necessary for the accurate detection of flaws and reliable …

Conventional ultrasonic detection methods are commonly used for detecting austenitic
stainless steel weld structure. The anisotropy and inhomogeneity of the weld produces a …

The anisotropy and inhomogeneity exhibited by austenitic steel in welds poses a challenge
to nondestructive testing employing ultrasonic waves, which is predominantly utilized for the …

Traditional imaging algorithms within the ultrasonic non-destructive testing community
typically assume that the material being inspected is primarily homogeneous, with …

This article considers the propagation of high frequency elastic waves in a layered material.
Each layer is locally anisotropic and the layer thicknesses and slowness surface orientations …

The quality of an ultrasonic array image depends on accurate information about its acoustic
properties. Inaccurate acoustic properties can cause image degradation such as blurring …

The ultrasonic inspection of heavy-walled centrifugally cast austenitic stainless steel
(CCASS) is challenging due to the complex metallurgical structure. Numerical modeling …