采用模块化阵列的涡流探伤检测.docx

采用模块化阵列的涡流探伤检测
目录
一、涡流探伤检测概述........................................4
1.1涡流探伤检测定义.....................................4
1.2涡流探伤检测原理.....................................5
1.3涡流探伤检测应用领域.................................6
二、涡流探伤检测设备........................................6
2.1涡流探伤仪...........................................7
2.1.1电磁涡流仪.......................................9
2.1.2磁记忆涡流仪.....................................9
2.2涡流探伤探头........................................10
2.2.1探头种类........................................12
2.2.2探头参数........................................13
2.3涡流探伤辅助设备....................................14
2.3.1磁饱和装置......................................15
2.3.2校准装置........................................16
三、涡流探伤检测工艺.......................................17
3.1探伤前准备..........................................18
3.1.1设备检查........................................19
3.1.2工件表面处理....................................20
3.2探伤过程............................................21
3.2.1工件安装........................................22
3.2.2工作参数设置....................................23
3.2.3数据采集与处理..................................24
3.3探伤后处理..........................................25
3.3.1缺陷记录与报告..................................27
3.3.2设备维护与保养..................................28
四、涡流探伤检测数据分析与评价.............................29
4.1数据处理方法........................................30
4.1.1信号去噪........................................32
4.1.2图像增强........................................33
4.1.3特征提取........................................34
4.2缺陷定量与定性分析..................................35
4.2.1缺陷尺寸测量....................................36
4.2.2缺陷类型识别....................................38
4.3涡流探伤检测结果评价................................38
4.3.1缺陷等级划分....................................39
4.3.2探伤结果解读....................................40
五、涡流探伤检测的优缺点与改进方向.........................41
5.1涡流探伤检测优点....................................43
5.1.1高效率..........................................44
5.1.