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10.3390/s18041070 http://scihub22266oqcxt.onion/10.3390/s18041070 C5948618!5948618!29614841     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Sensors+(Basel) 2018 ; 18 (4): ä Nephropedia Template TP {{tp|p=29614841|t=2018. Quantitative Detection of Cracks in Steel Using Eddy Current Pulsed Thermography |pdf=|usr=}}{{29614841}} gab.com Text Quantitative Detection of Cracks in Steel Using Eddy Current Pulsed Thermography JO: Sensors (Basel) http://www.kidney.de/pget.php?&tw=1&pmid=29614841 #FOAvip Small cracks are common defects in steel and often lead to catastrophic accidents in industrial applications. Various nondestructive testing methods have been investigated for crack detection; however, most current methods focus on qualitative crack identification and image processing. In this study, eddy current pulsed thermography (ECPT) was applied for quantitative crack detection based on derivative analysis of temperature variation. The effects of the incentive parameters on the temperature variation were analyzed in the simulation study. The crack profile and position are identified in the thermal image based on the Canny edge detection algorithm. Then, one or more trajectories are determined through the crack profile in order to determine the crack boundary through its temperature distribution. The slope curve along the trajectory is obtained. Finally, quantitative analysis of the crack sizes was performed by analyzing the features of the slope curves. The experimental verification showed that the crack sizes could be quantitatively detected with errors of less than 1%. Therefore, the proposed ECPT method was demonstrated to be a feasible and effective nondestructive approach for quantitative crack detection. Twit Text FOAVip Quantitative Detection of Cracks in Steel Using Eddy Current Pulsed Thermography ????Sensors (Basel) http://www.kidney.de/pget.php?&tw=1&pmid=29614841 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=29614841 #FOAvip English Wikipedia <ref>{{Cite pmid|29614841}}</ref> Quantitative Detection of Cracks in Steel Using Eddy Current Pulsed Thermography #MMPMID29614841 Shi Z; Xu X; Ma J; Zhen D; Zhang H Sensors (Basel) 2018[Apr]; 18 (4): ä PMID29614841show ga Small cracks are common defects in steel and often lead to catastrophic accidents in industrial applications. Various nondestructive testing methods have been investigated for crack detection; however, most current methods focus on qualitative crack identification and image processing. In this study, eddy current pulsed thermography (ECPT) was applied for quantitative crack detection based on derivative analysis of temperature variation. The effects of the incentive parameters on the temperature variation were analyzed in the simulation study. The crack profile and position are identified in the thermal image based on the Canny edge detection algorithm. Then, one or more trajectories are determined through the crack profile in order to determine the crack boundary through its temperature distribution. The slope curve along the trajectory is obtained. Finally, quantitative analysis of the crack sizes was performed by analyzing the features of the slope curves. The experimental verification showed that the crack sizes could be quantitatively detected with errors of less than 1%. Therefore, the proposed ECPT method was demonstrated to be a feasible and effective nondestructive approach for quantitative crack detection. äQuantitative Detection of Cracks in Steel Using Eddy Current Pulsed Th(epmc).pdf DeepDyve Pubget Overpricing