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A new electromagnetically induced acoustic emission technique (EMAE) is presented in this paper. Due to the acoustic emission signal generated by the electromagnetically induced high-density eddy current pulse, EMAE can locate small flaws or cracks in thin-walled structures nondestructively in order to inspect specific areas without loading the whole structure. The acoustic emission (AE) signal captured...
Soft magnetic composite (SMC) materials are widely applied in three-dimensional (3-D) magnetic flux electrical machines. Conventional methods for analyzing the magnetic properties of SMC materials based on alternating excitation are not comprehensive due to the rotational magnetic properties in the rotating electrical machines. In order to completely understand and model the magnetization process...
A finite element analysis program was compiled by the author by means of Femap Application Programming Interface (API), and Femap became useful in electromagnetic filed simulation. In this paper, a model of current-carrying solenoid is built in Femap, the finite element analysis results are presented, and some key codes in the program are given.
In this paper, the finite element analysis of a recently developed electromagnetic acoustic emission (EMAE) which can be used for damage assessment of thin walled conducting structures has been reported. Due to the local high-intensity stress field generated by the electro-magnetically induced high-density current pulse, EMAE can locate small flaws or cracks in thin-walled structures non-destructively...
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