衍射时差法超声检测通用工艺规程文件编号：2013编制：审核：批准：上海鹰扬智能科技工程有限公司受控□非受控□分发号：—无损检测通用工艺规程版本：**修改号：**第I页共33页主题:衍射时差法超声检测NDE/YYKJ-目录1编制的目的和适用范围....................................................................................................................12引用标准、规范...............................................................................................................................13术语定义...........................................................................................................................................14检测人员要求...................................................................................................................................25检测设备、器材和材料....................................................................................................................26检测表面要求...................................................................................................................................47检测时机...........................................................................................................................................48TOFD检测技术工艺..........................................................................................................................48.1TOFD检测基本程序.......................................................................................................................48.2检测前准备....................................................................................................................................58.3表面盲区确定................................................................................................................................58.4横向缺陷........................................................................................................................................68.5探头-12dB声场测试......................................................................................................................68.6与其他无损检测方法的综合应用..................................................................................................78.7现场条件要求................................................................................................................................78.8检测准备........................................................................................................................................78.9检测系统设置和校准...................................................................................................................118.10检测...........................................................................................................................................128.11数据文件的命名规则.................................................................................................................138.12焊缝检测记录............................................................................................................................139检测数据分析和解释......................................................................................................................139.1检测数据的有效性评价...............................................................................................................139.2相...
