UID:
almahu_9949848012902882
Format:
1 online resource (152 pages)
Edition:
1st ed.
ISBN:
981-9742-24-2
Note:
Intro -- Preface -- Contents -- High Sensitivity Rotating Alternating Current Field Measurement for Arbitrary-Angle Underwater Cracks -- 1 Introduction -- 2 Induced Rotating Alternating Current Field -- 2.1 RACFM Theoretical Model -- 2.2 FEM Modeling and Analyzing -- 3 RACFM System for Arbitrary-Angle Cracks Measurement -- 3.1 RACFM System -- 3.2 RACFM Probe -- 3.3 RACFM Waterproof Shell -- 4 RACFM System Testing and Discussing -- 4.1 Experiment System -- 4.2 Discussion -- 5 Conclusion -- References -- Detection of Cracks in Metallic Objects by Arbitrary Scanning Direction Using a Double U-Shaped Orthogonal ACFM Probe -- 1 Introduction -- 2 FEM Model of Double U-Shaped Orthogonal ACFM Probe -- 3 Cracks Detection Experiments -- 4 Conclusion -- References -- A Novel Fatigue Crack Angle Quantitative Monitoring Method Based on Rotating Alternating Current Field Measurement -- 1 Introduction -- 2 Theoretical Model -- 3 Finite Element Analysis -- 3.1 Model Set Up -- 3.2 Characteristic Signal Analysis of Cracks with Different Angles -- 3.3 Characteristic Signal Analysis of Cracks with Different Lengths and Depths -- 4 Experimental Setup and Result -- 4.1 Probe and System Setup -- 4.2 Crack Length Monitoring -- 4.3 Crack Depth Monitoring -- 4.4 Modification of the Measured Angle of the Crack -- 5 Conclusions and Further Work -- References -- Inspection of Both Inner and Outer Cracks in Aluminum Tubes Using Double Frequency Circumferential Current Field Testing Method -- 1 Introduction -- 2 Finite Element Method Model -- 2.1 Simulation Model -- 2.2 High Frequency Excitation Signal -- 2.3 Low Frequency Excitation Signal -- 3 Testing System -- 3.1 Probe with Sensor Arrays -- 3.2 Testing System -- 4 Inspection of Inner and Outer Cracks -- 4.1 Specimen -- 4.2 Inspection of Different Depth Cracks -- 4.3 Inspection of Different Length Cracks.
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5 Conclusions and Further Work -- References -- Novel Phase Reversal Feature for Inspection of Cracks Using Multi-frequency Alternating Current Field Measurement Technique -- 1 Introduction -- 2 Methodology -- 3 Multi-frequency ACFM Testing System -- 4 Experiment -- 5 Conclusion -- References -- Visual Reconstruction of Irregular Crack in Austenitic Stainless Steel Based on ACFM Technique -- 1 Introduction -- 2 An Irregular Crack Simulation Model -- 2.1 Simulation Model -- 2.2 Simulation Analysis of Electromagnetic Field -- 3 Visualization Reconstruction Method -- 3.1 Gradient Field Algorithm -- 3.2 Simulation Results Visualization Refactoring -- 4 Experimental Verification -- 4.1 Test System Construction -- 4.2 Experimental Test -- 4.3 Reconstruction Accuracy Evaluation -- 5 Conclusions -- References -- Visual ACFM System Modeling and Optimization for Accurate Measurement of Underwater Cracks -- 1 Introduction -- 2 Underwater VACFM -- 3 Analysis and Optimization for Probe Parameters -- 3.1 Model Development in ANSYS -- 3.2 Excitation Currents -- 3.3 Fix Structure Lift-Off -- 3.4 Probe Structure -- 4 System Performance Testing -- 4.1 Experimental System -- 4.2 Accurate Measurements -- 4.3 Results and Discussion -- 5 Design Summary and Conclusion -- References -- Research on High-Precision Evaluation of Crack Dimensions and Profiles Methods for Underwater Structure Based on ACFM Technique -- 1 Introduction -- 2 Marine Environment ACFM Simulation Model -- 3 Two-Step Interpolation Algorithm -- 4 Establishment of the Experimental System -- 5 Crack Evaluation Test -- 5.1 Crack Size Evaluation -- 5.2 Crack Profile Evaluation -- 6 Conclusion -- References.
Additional Edition:
ISBN 981-9742-23-4
Language:
English
Keywords:
Electronic books.
URL:
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