TY - JOUR
T1 - Evaluation of detection capability of eddy current probes with stochastic decision threshold for inspecting pits on austenitic stainless steel welding
AU - Wang, Jing
AU - Song, Haicheng
AU - Tomizawa, Takuma
AU - Yusa, Noritaka
AU - Ling, Yuanjin
N1 - Funding Information:
This work was developed at Tohoku University in Japan and it was supported by a grant from the Key Research and Development Program of Shandong Province, China.
Publisher Copyright:
© 2021 - IOS Press. All rights reserved.
PY - 2021
Y1 - 2021
N2 - It is still a big challenge to calculate the probability of defect detection for inspecting pits on austenitic stainless steel welding using traditional POD models. Because we determine the decision threshold, the POD curve has a lot of changes as the decision threshold changes, there is no clear reason to insist which threshold is reasonable. This study proposes a new probability of detection (POD) model to quantitatively assess the detection capability of eddy current probes for inspecting pits on austenitic stainless steel welding. The experimental results show that the proposed model is more reasonable than traditional ones. The novel POD model was employed to analyze three eddy current probes, uniform, TR, plus-point probes on austenitic stainless steel welding. The results reveal that the uniform eddy current probe has the best detection capability for inspecting pits on among the three probes.
AB - It is still a big challenge to calculate the probability of defect detection for inspecting pits on austenitic stainless steel welding using traditional POD models. Because we determine the decision threshold, the POD curve has a lot of changes as the decision threshold changes, there is no clear reason to insist which threshold is reasonable. This study proposes a new probability of detection (POD) model to quantitatively assess the detection capability of eddy current probes for inspecting pits on austenitic stainless steel welding. The experimental results show that the proposed model is more reasonable than traditional ones. The novel POD model was employed to analyze three eddy current probes, uniform, TR, plus-point probes on austenitic stainless steel welding. The results reveal that the uniform eddy current probe has the best detection capability for inspecting pits on among the three probes.
KW - austenitic stainless steel welding
KW - Eddy current testing
KW - probability of detection
KW - stochastic decision threshold
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U2 - 10.3233/JAE-201602
DO - 10.3233/JAE-201602
M3 - Article
AN - SCOPUS:85114707686
SN - 1383-5416
VL - 67
SP - 19
EP - 33
JO - International journal of applied electromagnetics in materials
JF - International journal of applied electromagnetics in materials
IS - 1
ER -