期刊论文

中文

南华大学学报（自然科学版）

Journal of University of South China：Science and Technology

1673-0062

2024

38

3

70-78

10.19431/j.cnki.1673-0062.2024.03.010

国家重点研发计划项目(2018YFE0303103)。

本校为第一机构

脉冲涡流检测是当前金属材料无损检测主要的方法,激励电源作为系统中的关键部分,其性能将直接影响到检测结果。针对现有材料缺陷脉冲涡流检测方法中激励电源存在关断时间长、无恒流控制、功率小等问题,对非磁性材料的缺陷检测方法进行了...展开更多 脉冲涡流检测是当前金属材料无损检测主要的方法,激励电源作为系统中的关键部分,其性能将直接影响到检测结果。针对现有材料缺陷脉冲涡流检测方法中激励电源存在关断时间长、无恒流控制、功率小等问题,对非磁性材料的缺陷检测方法进行了研究,提出了一种新的脉冲电源电路,采用线性调整型恒流源,实现恒流与恒压钳位的复合电路拓扑结构。首先对线性单元...

Pulsed eddy current testing is the main method of nondestructive testing of metal materials,and the performance of the excitation power supply as a key part of the system will directly affect the test results.In order to solve the problems of long shutdown time,no const...MORE Pulsed eddy current testing is the main method of nondestructive testing of metal materials,and the performance of the excitation power supply as a key part of the system will directly affect the test results.In order to solve the problems of long shutdown time,no constant current control and low power of the excitation ...