Study on Characterizing for Corrosion Degrees of 1045 Steel with Nonlinear Ultrasonic Coefficients-Reference-Cited by-同舟云学术

Study on Characterizing for Corrosion Degrees of 1045 Steel with Nonlinear Ultrasonic Coefficients

Published:2023-10-01 Issue:10 Volume:81 Page:46-55
ISSN:0025-5327
Container-title:Materials Evaluation
language:
Short-container-title:ME

Author:

Mao Hanying,Fu Juncheng,Zhang Hongxian,Tang Yan,Mao Hanling

Abstract

Corrosion is a widespread issue that leads to the degradation of material properties. Their own limitations are present in the existing methods for detecting the degree of corrosion. The aim of this study is to characterize the corrosion degree using nonlinear ultrasonic technology. Specimens of 1045 steel with different corrosion degrees were produced in different experimental conditions. The degree of corrosion was determined using the mass loss method and the microstructures of specimens with different corrosion degrees, and no corrosion was observed with the metallographic microscope. A nonlinear ultrasonic testing model based on the critically refracted longitudinal (LCR) wave was designed. The results show that the nonlinear ultrasonic coefficients of the 1045 steel increase monotonically with increasing degrees of corrosion under the LCR wave testing model. The increased values of the nonlinear coefficient are linked to the transformation of the material structure caused by corrosion. It may be possible that the degree of corrosion of the materials will be characterized and detected nondestructively using the nonlinear ultrasonic coefficients of the LCR wave.

Publisher

The American Society for Nondestructive Testing, Inc.

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