期刊论文

Gu, Liangyao

英文

Coatings

2079-6412

2020

10

8

773-

10.3390/coatings10080773

Conceptualization, L.G.; methodology, F.C. and R.Z.; software, S.C.; validation, S.C. and Y.S.; formal analysis, Y.S.; investigation, S.C.; resources, F.C.; data curation, R.Z.; writing—original draft preparation, S.C.; writing—review and editing, F.C., L.G., and Y.S.; visualization, R.Z.; supervision, L.G.; project administration, L.G.; funding acquisition, F.C. All authors have read and agreed to the published version of the manuscript. This research was funded by Natural Science Foundation of Hunan Province (grant no. 2020JJ4112) and Basic public welfare research project of Zhejiang Province (grant no. LGC19E010001).

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Trailing arms are widely used in the automobiles' suspension system, and effective detection of their wall thickness is essential to ensure their mechanical properties and to evaluate the casting process. In this work, an ultrasonic measurement model (UMM) is firstly established with consideration of the curvature and thickness of the trailing arm, then the UMM is introduced to predict the theoretical ultrasonic waveforms with different hypothetical thicknesses of the trailing arm. Next, the experimental ultrasonic waveforms are collected and m...